:root {
  --navy: #071526;
  --ink: #1c2838;
  --muted: #6b7a90;
  --blue: #2f6bff;
  --blue-dark: #1d4ed8;
  --yellow: #f5b400;
  --yellow-2: #e3a400;
  --bg: #f4f7fb;
  --line: #e6edf5;
  --shadow: 0 12px 32px rgba(15, 35, 70, 0.08);
  --max: 1200px;
  --header: 72px;
  --board: 668px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--ink);
  background: #fff;
  font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; }
[id] { scroll-margin-top: 88px; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  flex: none;
  height: var(--header);
  background: #f4f7fb;
  border-bottom: 1px solid #edf1f6;
}
.header-inner { position: relative; height: 100%; display: flex; align-items: center; gap: 18px; min-width: 0; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; flex: none; min-width: 0; }
.logo { height: 42px; width: auto; flex: none; display: block; }
.brand-text { min-width: 0; overflow: hidden; }
.brand strong { display: block; font-size: 15px; letter-spacing: 0.02em; line-height: 1.2; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand small { display: block; margin-top: 2px; color: var(--muted); font-size: 11px; line-height: 1.3; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav { display: flex; align-items: center; gap: 8px; margin-left: auto; flex: none; }
.nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 88px;
  height: 32px;
  padding: 0;
  border: 1px solid #16325f;
  border-radius: 8px;
  background: #eef3ff;
  color: #16325f;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.nav a:hover {
  z-index: 2;
  background: #e0ebff;
  color: #16325f;
  transform: translateY(-6px);
  box-shadow: 0 24px 44px rgba(20, 40, 80, 0.15);
}
.nav a.active,
.nav a.active:hover {
  background: linear-gradient(180deg, #16325f, #0b1c36);
  border-color: #16325f;
  color: #fff;
}
.nav a.active:hover {
  filter: brightness(1.08);
  transform: translateY(-6px);
  box-shadow: 0 24px 44px rgba(20, 40, 80, 0.15);
}
.header-actions .btn-navy { border: 1px solid #16325f; }
.header-actions .btn-navy:hover {
  z-index: 2;
  transform: translateY(-6px);
  box-shadow: 0 24px 44px rgba(20, 40, 80, 0.15);
}
.header-actions { display: flex; align-items: center; gap: 10px; flex: none; }
.header-search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  width: 168px;
  height: 36px;
  padding: 0 12px;
  border: 1px solid #e5ebf3;
  border-radius: 999px;
  background: #f7f9fc;
  color: #8b98ab;
}
.header-search input {
  width: 100%;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--ink);
  font-size: 13px;
}
.search-pop {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: 280px;
  padding: 6px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  z-index: 50;
}
.search-pop a { display: block; padding: 8px 10px; border-radius: 8px; text-decoration: none; color: var(--ink); font-size: 13px; }
.search-pop a:hover { background: #f3f7ff; }
.search-pop small { color: var(--muted); margin-right: 6px; }
.search-empty { margin: 0; padding: 8px 10px; color: var(--muted); font-size: 13px; }
.nav-toggle {
  display: none;
  flex: none;
  width: 40px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
}
.nav-toggle span { display: block; width: 16px; height: 1.5px; margin: 4px auto; background: var(--ink); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  font-weight: 650;
  font-weight: 600;
  border-radius: 8px;
  transition: 0.18s ease;
}
.btn-yellow,
.btn-blue { background: linear-gradient(180deg, #16325f, #0b1c36); color: #fff; }
.btn-yellow { height: 36px; padding: 0 14px; font-size: 14px; }
.btn-navy { height: 36px; padding: 0 14px; font-size: 14px; background: #ffcc00; color: #000; }
.btn-blue { height: 44px; padding: 0 18px; }
.btn-yellow:hover,
.btn-blue:hover { filter: brightness(1.08); color: #fff; }
.btn-navy:hover { filter: brightness(1.08); color: #000; }
.glass .btn-yellow { background: #ffcc00; color: #000; }
.glass .btn-yellow:hover { color: #000; }
.btn-block { width: 100%; }
.btn-ghost { height: 42px; padding: 0 16px; background: #fff; color: var(--blue); border: 1px solid #c9d8f8; }
.btn-ghost:hover { background: #f4f8ff; }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid rgba(47, 107, 255, 0.35);
  outline-offset: 2px;
}

.hero { position: relative; color: #fff; background: var(--navy); overflow: visible; }
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(6, 16, 36, 0.82) 0%, rgba(7, 22, 46, 0.55) 38%, rgba(7, 24, 48, 0.18) 68%, rgba(6, 18, 38, 0.28) 100%),
    url("../images/hero-banner.jpg") center / cover no-repeat;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  gap: 20px;
  align-items: center;
  padding: 16px 0 18px;
}
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: #b9d0ff; font-size: 13px; font-weight: 600; }
.eyebrow svg { width: 16px; height: 16px; }
.hero h1 { margin: 4px 0 0; font-size: 32px; line-height: 1.15; letter-spacing: -0.03em; }
.lede { max-width: 460px; margin: 8px 0 0; color: rgba(255, 255, 255, 0.78); font-size: 14px; }
.ask {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  max-width: 420px;
  margin-top: 10px;
  padding: 4px 4px 4px 12px;
  background: #fff;
  border-radius: 10px;
}
.ask .search-pop { width: calc(100% - 8px); left: 4px; }
.ask svg { flex: none; width: 16px; height: 16px; color: #90a0b5; }
.ask input { flex: 1; min-width: 0; height: 32px; border: 0; outline: none; color: var(--ink); font-size: 13px; background: transparent; }
.ask .btn { height: 32px; padding: 0 14px; font-size: 13px; }
.hot { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; max-width: 640px; margin-top: 14px; color: rgba(255, 255, 255, 0.72); font-size: 13px; }
.chip {
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-radius: 999px;
  padding: 4px 10px;
  cursor: pointer;
  font-size: 12px;
}
.chip:hover { background: rgba(255, 255, 255, 0.16); }
.answer { max-width: 640px; margin-top: 14px; padding: 16px 18px; background: #fff; color: var(--ink); border-radius: 12px; box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2); }
.answer h3 { margin: 0 0 6px; font-size: 15px; }
.answer p { margin: 0; color: #3d4c60; font-size: 14px; line-height: 1.75; }
.answer .links { display: flex; gap: 14px; margin-top: 10px; }
.answer a { color: var(--blue); font-weight: 600; font-size: 13px; }

.hero-side { display: flex; justify-content: flex-end; align-items: stretch; }
.hero-side .glass { width: 62%; }
.glass, .stats {
  background: rgba(8, 24, 52, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  backdrop-filter: blur(8px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
}
.glass { padding: 12px; }
.glass h2 { margin: 0; font-size: 16px; }
.glass .sub { margin: 8px 0 0; color: rgba(255, 255, 255, 0.62); font-size: 12px; line-height: 1.7; }
.check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 8px; margin: 0 0 10px; }
.check { display: flex; align-items: center; gap: 6px; color: rgba(255, 255, 255, 0.9); font-size: 12px; }
.check input { accent-color: #8eb6ff; }
.hero .btn-block { height: 34px; }
.stats { padding: 12px; display: flex; flex-direction: column; justify-content: space-between; gap: 8px; }
.stat { display: flex; align-items: center; gap: 8px; }
.hero .stat .ic {
  width: 28px; height: 28px;
}
.hero .stat .ic svg { width: 15px; height: 15px; }
.stat .ic, .point .ic {
  width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center; flex: none;
  background: rgba(255, 255, 255, 0.08);
}
.stat .ic svg, .point .ic svg { width: 18px; height: 18px; }
.stat b { display: block; font-size: 22px; line-height: 1.1; }
.hero .stat b { font-size: 18px; }
.stat span, .stat-note { color: rgba(255, 255, 255, 0.66); font-size: 12px; }
.stat-note { line-height: 1.55; }

.section { padding: 16px 0 12px; }
.section-head { margin-bottom: 14px; }
.section-head.row { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; }
.section-title { display: flex; align-items: center; gap: 10px; margin: 0; font-size: 26px; letter-spacing: -0.02em; }
.section-title::before { content: ""; width: 4px; height: 20px; border-radius: 4px; background: var(--blue); flex: none; }
.section-sub { margin: 8px 0 0; color: var(--muted); }
.link-more { color: var(--blue); text-decoration: none; font-weight: 600; font-size: 14px; white-space: nowrap; }

.problem-grid, .know-grid, .case-grid { display: grid; gap: 16px; }
.problem-grid { grid-template-columns: repeat(6, 1fr); }
.know-grid, .case-grid { grid-template-columns: repeat(5, 1fr); }
a.scene {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}
a.scene:hover .more-link { text-decoration: underline; }
.scene, .article, .case {
  background: #fff;
  border: 1px solid #eef2f7;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(20, 40, 80, 0.05);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.scene, .case, .case-more { border: 1px solid #16325f; }
.case, .case-more { position: relative; }
.scene:hover,
.know-card:hover,
.case:hover,
.case-more:hover {
  z-index: 2;
  transform: translateY(-12px);
  box-shadow: 0 40px 64px rgba(20, 40, 80, 0.25);
}
.photo { position: relative; height: 112px; background: #d9e2ee; }
.photo img { width: 100%; height: 100%; object-fit: cover; }
.photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8, 24, 48, 0.02), rgba(8, 24, 48, 0.28)); }
#solutions .photo img { filter: brightness(1.5); }
#solutions .photo::after { background: none; }
.scene .body, .article .body, .case .body { padding: 12px 12px 14px; }
.scene h3, .article h3, .case h3 { margin: 0 0 8px; font-size: 15px; line-height: 1.45; }
.scene ul { margin: 0; padding: 0; list-style: none; color: #667588; font-size: 12px; line-height: 1.7; }
.scene li { position: relative; padding-left: 11px; }
.scene li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 5px; height: 5px; border-radius: 50%; background: var(--blue); }
.more-link { display: inline-flex; margin-top: 10px; color: var(--blue); font-size: 13px; font-weight: 600; text-decoration: none; }
.tag { display: inline-flex; padding: 2px 8px; border-radius: 999px; background: #eef4ff; color: var(--blue); font-size: 12px; }
#cases.section { padding: 8px 0 0; }
#cases .section-head { margin-bottom: 4px; }
#cases .section-sub { margin-top: 2px; }
#cases .case-reel {
  --dock-gap: 8px;
  position: relative;
  z-index: 3;
  overflow: visible;
  margin-top: 0;
  padding-top: 36px;
}
#cases .case-reel-bar {
  position: relative;
  overflow: visible;
  border-radius: 999px;
  padding: 0;
  background: rgba(108, 122, 142, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.34);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    0 10px 24px rgba(8, 12, 24, 0.1);
}
#cases .case-reel-bar::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: inherit;
  pointer-events: none;
  background: rgba(108, 122, 142, 0.72);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
}
#cases .case-reel-clip {
  position: relative;
  z-index: 1;
  overflow: visible;
  clip-path: inset(-40px 0 -12px 0);
  transform: translateZ(0);
  container-type: inline-size;
}
#cases .dock-tip {
  position: absolute;
  z-index: 4;
  transform: translate(-50%, -100%);
  padding: 3px 8px;
  border-radius: 8px;
  background: rgba(28, 28, 30, 0.94);
  color: #fff;
  font-size: 12px;
  line-height: 1.3;
  white-space: nowrap;
  pointer-events: none;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.22);
}
#cases .dock-tip[hidden] { display: none; }
#cases .case-reel-track {
  position: relative;
  z-index: 1;
  display: flex;
  width: max-content;
  animation: case-reel-left 48s linear infinite;
}
#cases .case-reel-set {
  display: flex;
  align-items: center;
  gap: var(--dock-gap);
  width: 100cqi;
  flex: none;
  box-sizing: border-box;
  padding: 4px 0 6px;
}
#cases .year-card {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1 1 0;
  height: 40px;
  min-width: 0;
  border-radius: 12px;
  background: linear-gradient(180deg, #ffffff, #e6eef6);
  color: #16325f;
  text-decoration: none;
  overflow: visible;
  transform-origin: 50% 100%;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.92),
    0 2px 3px rgba(16, 28, 48, 0.28),
    0 6px 10px rgba(16, 28, 48, 0.22);
  transition: transform 0.08s linear;
}
#cases .year-card b {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  white-space: nowrap;
}
#cases .year-card .dock-badge {
  position: absolute;
  top: -3px;
  right: -3px;
  z-index: 2;
  display: grid;
  place-items: center;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 999px;
  background: #ff3b30;
  color: #fff;
  font-style: normal;
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}
@keyframes case-reel-left {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (max-width: 720px) {
  #cases .case-reel { --dock-gap: 4px; }
  #cases .case-reel-bar { padding: 0; }
  #cases .case-reel-set { padding: 4px 0 6px; }
  #cases .year-card .dock-badge { min-width: 13px; height: 13px; font-size: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  #cases .case-reel-track { animation: none; }
  #cases .year-card { transition: none; }
}
.meta, .case-stats { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; color: #93a0b3; font-size: 12px; }
.article, .case { display: flex; flex-direction: column; text-decoration: none; color: inherit; height: 100%; }
.know-media { position: relative; height: 120px; background: #f3f6fb; }
.know-media img { width: 100%; height: 100%; object-fit: cover; }
.know-media.is-file { display: grid; place-items: center; color: var(--blue); }
.know-media.is-file svg { width: 40px; height: 40px; }
.play {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 36px;
  height: 36px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 4px 14px rgba(8, 24, 48, 0.18);
}
.play::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 11px;
  border-style: solid;
  border-width: 7px 0 7px 11px;
  border-color: transparent transparent transparent #16325f;
}
.know-card {
  position: relative;
  padding: 16px 16px 14px;
  border: 1px solid #16325f;
  border-radius: 16px;
  background: #fff;
}
.know-mark {
  position: absolute;
  right: 4px;
  top: 10px;
  width: 78px;
  height: 78px;
  opacity: 0.14;
  pointer-events: none;
}
.know-mark svg { width: 100%; height: 100%; }
.know-head { position: relative; z-index: 1; display: flex; align-items: center; gap: 8px; }
.know-ic {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  flex: none;
}
.know-ic svg { width: 20px; height: 20px; }
.know-blue .know-ic { background: #3d84f6; }
.know-green .know-ic { background: #2fbf7a; }
.know-purple .know-ic { background: #7b6cf6; }
.know-orange .know-ic { background: #f5a524; }
.know-blue .know-mark { color: #3d84f6; }
.know-green .know-mark { color: #2fbf7a; }
.know-purple .know-mark { color: #7b6cf6; }
.know-orange .know-mark { color: #f5a524; }
.know-card .tag { margin: 0; align-self: center; font-weight: 600; }
.know-blue .tag { background: #e8f1ff; color: #3d84f6; }
.know-green .tag { background: #e7f8f0; color: #1f9d62; }
.know-purple .tag { background: #f0edff; color: #6d5ef0; }
.know-orange .tag { background: #fff3e0; color: #e09212; }
.know-card h3 { position: relative; z-index: 1; min-height: 2.8em; margin: 14px 0 8px; font-size: 16px; font-weight: 700; }
.know-card p { position: relative; z-index: 1; margin: 0; min-height: 4.95em; color: #8b97a8; font-size: 12px; line-height: 1.65; }
.know-foot {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 12px;
  color: #7e8da0;
  font-size: 13px;
}
.know-foot span { display: inline-flex; align-items: center; gap: 6px; }
.know-foot span::before {
  content: "";
  width: 14px;
  height: 8px;
  background: currentColor;
  clip-path: polygon(0 35%, 62% 35%, 62% 0, 100% 50%, 62% 100%, 62% 65%, 0 65%);
}
.know-foot b { font-weight: 500; color: #c5ced8; font-size: 16px; letter-spacing: 0.04em; }
#video-courses .know-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}
#video-courses .know-card {
  padding: 10px 10px 8px;
  border-radius: 12px;
}
#video-courses .know-mark {
  width: 48px;
  height: 48px;
  right: 2px;
  top: 6px;
}
#video-courses .know-ic {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}
#video-courses .know-ic svg { width: 15px; height: 15px; }
#video-courses .know-card .tag { font-size: 11px; padding: 1px 6px; }
#video-courses .know-card h3 {
  min-height: 0;
  margin: 8px 0 4px;
  font-size: 14px;
  line-height: 1.35;
}
#video-courses .know-card p {
  min-height: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 11px;
  line-height: 1.45;
}
#video-courses .know-foot {
  padding-top: 8px;
  font-size: 12px;
}
#video-courses .know-foot b { font-size: 13px; }
#video-courses .know-card.is-focus {
  outline: 2px solid #16325f;
  outline-offset: 2px;
  box-shadow: 0 10px 28px rgba(22, 50, 95, 0.18);
}
.article .body, .case .body { display: flex; flex-direction: column; flex: 1; }
.case-grid > .case-more {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: auto;
  min-height: 100%;
  margin: 0;
  padding: 24px 16px;
  border: 1px solid #16325f;
  border-radius: 14px;
  background: #ffcc00;
  box-shadow: 0 8px 24px rgba(20, 40, 80, 0.05);
  color: #000;
  font-size: 18px;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  white-space: normal;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.case-grid > .case-more strong { color: #000; font-size: 18px; font-weight: 700; }
.case-grid > .case-more span { color: rgba(0, 0, 0, 0.62); font-size: 13px; font-weight: 400; }
.case-grid > .case-more:hover { color: #000; filter: brightness(1.08); }

#cases { background: #fff; }
.band { background: var(--bg); }
.hub {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 268px;
  gap: 16px;
  align-items: stretch;
}
.hub-calc.hub-pane {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 1200 / 617;
  height: auto;
  min-height: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid #16325f;
  border-radius: 18px;
  background: #eef3f8 url("../images/hub-estimate.jpg") center / cover no-repeat;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}
a.hub-calc.hub-pane::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
}
.hub-pane-shot {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top left;
  pointer-events: none;
  border: 0;
}
.hub-calc {
  min-width: 0;
  padding: 22px 18px 18px;
  border-radius: 18px;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(8, 22, 48, 0.78), rgba(6, 16, 36, 0.88)),
    url("../images/hero-banner.jpg") center / cover no-repeat;
}
.hub-calc h3 { margin: 0; font-size: 22px; letter-spacing: -0.02em; }
.hub-calc .lead { margin: 6px 0 14px; color: rgba(255, 255, 255, 0.78); font-size: 13px; }
.hub-sheet { background: #fff; color: var(--ink); border-radius: 14px; padding: 14px 16px 16px; }
.hub-steps {
  display: flex;
  gap: 22px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid #eef2f7;
  color: #8b98ab;
  font-size: 13px;
}
.hub-steps span { display: inline-flex; align-items: center; gap: 8px; }
.hub-steps i {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #e8eef6;
  color: #6b7a90;
  font-style: normal;
  font-size: 11px;
  font-weight: 700;
}
.hub-steps .on { color: var(--blue); font-weight: 650; }
.hub-steps .on i { background: var(--blue); color: #fff; }
.hub-split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 8px 22px; }
.hub-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.hub-fields .wide { grid-column: 1 / -1; }
.hub-fields label { display: block; color: #526176; font-size: 12px; }
.hub-fields .fake {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 40px;
  margin-top: 6px;
  padding: 0 12px;
  border: 1px solid #e3eaf3;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-size: 14px;
}
.hub-fields .fake svg { width: 12px; height: 8px; color: #6b7a90; }
.hub-go { height: 42px; margin-top: 16px; border-radius: 8px; }
.hub-quote-label { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: #526176; font-size: 13px; }
.hub-quote-label em {
  padding: 2px 8px;
  border-radius: 99px;
  background: #eef4ff;
  color: var(--blue);
  font-style: normal;
  font-size: 12px;
  font-weight: 650;
}
.hub-price { margin: 8px 0 4px; color: var(--blue); font-size: 26px; font-weight: 750; letter-spacing: -0.03em; line-height: 1.25; }
.hub-note { margin: 0 0 12px; color: #8b98ab; font-size: 12px; }
.hub-quote h4 { margin: 0 0 4px; font-size: 14px; }
.hub-lines { margin: 0; padding: 0; list-style: none; }
.hub-lines li {
  display: grid;
  grid-template-columns: 16px 68px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid #f3f6fa;
  font-size: 13px;
}
.hub-lines i {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  background: var(--blue);
  position: relative;
}
.hub-lines i::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 2px;
  width: 6px;
  height: 8px;
  border: solid #fff;
  border-width: 0 1.6px 1.6px 0;
  transform: rotate(45deg);
}
.hub-lines span { color: #8b98ab; }
.hub-pdf { display: inline-flex; margin-top: 12px; color: var(--blue); font-size: 13px; font-weight: 650; text-decoration: none; }
.hub-pdf:hover { text-decoration: underline; }
.hub-side { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.hub-tools, .hub-files {
  border: 1px solid #16325f;
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.hub-calc.hub-pane,
.hub-tools,
.hub-files { transition: transform 0.18s ease, box-shadow 0.18s ease; }
.hub-calc.hub-pane:hover,
.hub-tools:hover,
.hub-files:hover {
  z-index: 2;
  transform: translateY(-12px);
  box-shadow: 0 40px 64px rgba(20, 40, 80, 0.25);
}
.hub-tools { flex: 1.35; padding: 14px 10px 12px; background: #fff; }
.hub-files {
  flex: 0.9;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 72px;
  align-items: center;
  gap: 6px;
  padding: 14px 8px 14px 10px;
  background: linear-gradient(180deg, #f7faff, #e7f0ff);
}
.hub-tools h3, .hub-files h3 { display: flex; align-items: center; gap: 8px; margin: 0; font-size: 16px; }
.hub-tools .mark, .hub-files .mark {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  color: var(--blue);
}
.hub-tools .mark svg, .hub-files .mark svg { width: 18px; height: 18px; }
.hub-tools p, .hub-files p { margin: 6px 0 10px; color: var(--muted); font-size: 12px; }
.hub-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; }
.hub-tool {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 76px;
  padding: 8px 2px;
  border: 1px solid #e6eef8;
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  font-size: 11px;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
}
.hub-tool svg { width: 22px; height: 22px; flex: none; display: block; color: var(--blue); }
.hub-tool:hover { border-color: #b9d0fb; color: var(--blue); }
.hub-enter { height: 36px; padding: 0 14px; border: 1px solid #16325f; border-radius: 8px; font-size: 13px; background: #ffcc00; color: #000; }
.hub-enter:hover { color: #000; }
.hub-folder svg { display: block; width: 100%; height: auto; }
body.is-calc-page { overflow: hidden; background: #eef3f8; }
.calc-stage { height: calc(100vh - var(--header)); }
.calc-stage iframe { display: block; width: 100%; height: 100%; border: 0; background: #eef3f8; }
.calc-card, .tool-card, .download-card, .panel-card, .scenario, .case-detail {
  background: #fff;
  border: 1px solid #e8eef6;
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.calc-card { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 8px 28px; padding: 20px 22px 22px; }
.tabs { display: flex; gap: 18px; grid-column: 1 / -1; border-bottom: 1px solid var(--line); }
.tab {
  display: flex; align-items: center; gap: 8px;
  padding: 0 0 12px; border: 0; background: none; color: var(--muted);
  font-weight: 600; cursor: pointer;
}
.tab .n { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; background: #eef2f7; font-size: 12px; }
.tab.active { color: var(--blue); box-shadow: inset 0 -2px 0 var(--blue); }
.tab.active .n { background: var(--blue); color: #fff; }
.calc-form, .quote { min-width: 0; }
.field { display: block; margin-top: 14px; }
.field-label, .lab { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 6px; color: #526176; font-size: 13px; }
.field-label b, .lab b { color: var(--ink); font-weight: 650; }
select.sel, .text, textarea.text {
  width: 100%;
  border: 1px solid #e3eaf3;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-size: 14px;
}
select.sel {
  height: 42px;
  padding: 0 36px 0 12px;
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='%236b7a90' d='M1 1l5 5 5-5'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
}
.text { height: 42px; padding: 0 12px; }
textarea.text { height: auto; padding: 10px 12px; resize: vertical; }
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--blue) var(--p, 30%), #e4ebf4 var(--p, 30%));
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px; border-radius: 50%;
  background: #fff; border: 3px solid var(--blue);
  box-shadow: 0 2px 8px rgba(47, 107, 255, 0.35);
  cursor: pointer;
}
.hint { margin: 10px 0 0; color: #8b98ab; font-size: 12px; }
.sys-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; margin-top: 8px; }
.sys-list label { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.quote-label { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 13px; }
.quote-num { margin: 6px 0 0; color: var(--blue); font-size: 30px; font-weight: 750; letter-spacing: -0.03em; line-height: 1.2; }
.quote-note { margin: 6px 0 12px; color: #8b98ab; font-size: 12px; }
.lines { border-top: 1px solid #f0f3f8; }
.line { display: grid; grid-template-columns: 28px 1fr auto; gap: 10px; align-items: center; padding: 10px 0; border-bottom: 1px solid #f3f6fa; }
.line .ic { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; background: #eef4ff; color: var(--blue); }
.line .ic svg { width: 16px; height: 16px; }
.line b { display: block; font-size: 14px; }
.line small, .line em { color: #8b98ab; font-style: normal; font-size: 12px; }
.line strong { color: var(--ink); font-size: 14px; }
.quote .btn { margin-top: 14px; }
.tool-card, .download-card { display: flex; flex-direction: column; align-self: stretch; padding: 16px; height: auto; }
.tool-card .tool-grid, .download-card .iso { flex: 1; }
.download-card .btn { margin-top: auto; white-space: nowrap; }
.tool-card h3, .download-card h3 { margin: 0; font-size: 16px; }
.tool-card p, .download-card p { margin: 6px 0 12px; color: var(--muted); font-size: 12px; }
.tool-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.tool { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 8px 2px; border-radius: 10px; text-decoration: none; color: var(--ink); font-size: 12px; line-height: 1.25; text-align: center; }
.tool:hover { background: #f4f7ff; color: var(--blue); }
.tool .ic { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: #eef4ff; color: var(--blue); }
.tool .ic svg { width: 16px; height: 16px; }
.download-card { background: linear-gradient(180deg, #f7faff, #e7f0ff); overflow: hidden; }
.estimate-card {
  background:
    radial-gradient(140px 80px at 86% 62%, rgba(245, 180, 0, 0.18), transparent 72%),
    linear-gradient(180deg, #f7faff, #e7f0ff);
}
.calc-scene { flex: 1; margin: 2px 0 12px; }
.calc-scene svg { display: block; width: 100%; height: auto; font-family: inherit; }
.iso { display: flex; align-items: flex-end; gap: 14px; height: 86px; margin: 6px 0 14px; padding-left: 8px; }
.box {
  width: 48px; height: 48px; border-radius: 8px; position: relative;
  background: linear-gradient(145deg, #ffffff 0%, #d7e6ff 42%, #3d78ff 100%);
  box-shadow: 10px 12px 0 #d5e4fb;
  transform: skewY(-8deg);
}
.box i { display: none; }
.b2 { width: 58px; height: 64px; transform: skewY(7deg); }
.b3 { width: 36px; height: 36px; }

.cta { background: linear-gradient(90deg, #071526, #102848 60%, #0d2140); color: #fff; padding: 36px 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.cta h2 { margin: 0; max-width: 420px; font-size: 26px; line-height: 1.4; letter-spacing: -0.02em; }
.cta-points { display: flex; gap: 18px; }
.point { display: flex; align-items: center; gap: 8px; color: rgba(255, 255, 255, 0.8); font-size: 13px; }
.point .ic { border: 1px solid rgba(255, 255, 255, 0.18); }
.point small { display: block; color: rgba(255, 255, 255, 0.55); font-size: 12px; }

.site-footer { flex: none; margin-top: auto; background: #06101e; color: rgba(255, 255, 255, 0.72); padding: 12px 0 10px; font-size: 13px; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 16px 48px; align-items: center; justify-content: space-between; }
.footer-contact { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 18px; }
.footer-phones { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; }
.footer-phones .phone { display: inline; margin: 0; }
.footer-phones span { color: rgba(255, 255, 255, 0.45); font-size: 15px; font-weight: 700; }
.footer-contact .btn { flex: none; }
.site-footer h4 { margin: 0 0 4px; color: #fff; font-size: 14px; }
.site-footer a { display: block; margin: 2px 0; color: rgba(255, 255, 255, 0.7); text-decoration: none; line-height: 1.45; }
.site-footer a:hover { color: #fff; }
.site-footer .brand strong,
.site-footer .footer-phones .phone {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
}
.footer-lead { max-width: 280px; margin: 8px 0 0; line-height: 1.55; }
.phone { margin: 4px 0; color: #fff; font-size: 20px; letter-spacing: 0.02em; }
.footer-bottom { display: flex; justify-content: space-between; gap: 12px; margin: 0; padding: 0; border-top: 0; color: rgba(255, 255, 255, 0.45); }

.page-hero { background: linear-gradient(100deg, #071526 0%, #12325f 58%, #1d4e8c 100%); color: #fff; padding: 46px 0 40px; }
.crumb { margin: 0; color: rgba(255, 255, 255, 0.62); font-size: 13px; }
.crumb a { color: inherit; text-decoration: none; }
.page-hero h1 { margin: 8px 0 0; font-size: 36px; letter-spacing: -0.03em; }
.page-hero p { max-width: 640px; margin: 10px 0 0; color: rgba(255, 255, 255, 0.76); }
.stack { display: grid; gap: 16px; }
.scenario, .case-detail { display: grid; grid-template-columns: 280px 1fr; overflow: hidden; }
.scenario img, .case-detail img { width: 100%; height: 100%; object-fit: cover; min-height: 210px; }
.scenario .copy, .case-detail .copy { padding: 20px 22px 22px; }
.scenario h2, .case-detail h2, .doc h2 { margin: 0 0 8px; font-size: 22px; }
.scenario p, .case-detail p, .doc p { margin: 0 0 10px; color: #3e4d61; }
.ticks { margin: 8px 0 0; padding: 0; list-style: none; }
.ticks li { position: relative; padding-left: 16px; margin: 6px 0; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); }
.stats-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.stats-row span { padding: 4px 8px; border-radius: 999px; background: #f3f6fb; color: #526176; font-size: 12px; }
.doc { padding: 8px 0 4px; border-bottom: 1px solid var(--line); }
.doc a { color: var(--blue); text-decoration: none; }
.doc a:hover { text-decoration: underline; }
.doc .tag { margin-bottom: 8px; }
.hit { box-shadow: 0 0 0 2px var(--blue); border-radius: 12px; }
.panel-card { padding: 18px 20px 20px; }
.panel-card h2 { margin: 0 0 6px; font-size: 20px; }
.panel-card > p { margin: 0 0 12px; color: var(--muted); }
.form-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; align-items: end; }
.out {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 12px;
  background: #f4f8ff;
  color: #24344a;
  line-height: 1.7;
}
.out b { color: var(--blue); }
.checkline { display: flex; align-items: center; gap: 8px; height: 42px; }
.dl-item, .file-btn {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  width: 100%; text-align: left; text-decoration: none;
  padding: 16px 18px; border-radius: 14px; border: 1px solid var(--line);
  background: #fff; cursor: pointer; color: inherit;
}
.file-btn:hover, .dl-item:hover { border-color: #c9d8f8; box-shadow: var(--shadow); }
.file-btn small, .dl-item small { color: var(--muted); }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.principle { padding: 18px; border-radius: 14px; background: #fff; border: 1px solid var(--line); }
.principle h3 { margin: 0 0 6px; }
.principle p { margin: 0; color: #526176; }

.modal[hidden] { display: none; }
.modal { position: fixed; inset: 0; z-index: 80; display: grid; place-items: center; padding: 20px; }
.backdrop { position: absolute; inset: 0; background: rgba(7, 16, 32, 0.55); }
.modal-card { position: relative; width: min(480px, 100%); padding: 22px; background: #fff; border-radius: 16px; box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28); }
.modal-card h3 { margin: 0 0 6px; font-size: 20px; }
.modal-card .lead { margin: 0 0 12px; color: var(--muted); font-size: 13px; }
.modal-close { position: absolute; top: 12px; right: 12px; width: 32px; height: 32px; border: 0; border-radius: 8px; background: #f3f6fb; cursor: pointer; }
.form-error { min-height: 1.2em; margin: 8px 0 0; color: #c2410c; font-size: 13px; }
.success h3 { margin-top: 0; }
body.modal-open { overflow: hidden; }

.print-sheet { display: none; }
@media print {
  body.printing * { visibility: hidden; }
  body.printing .print-sheet, body.printing .print-sheet * { visibility: visible; }
  body.printing .print-sheet { display: block; position: absolute; left: 0; top: 0; width: 100%; padding: 24px; color: #111; }
}

@media (max-width: 1100px) {
  .header-inner { gap: 10px; }
  .brand { flex: 1 1 auto; }
  .brand small { display: none; }
  .header-actions { margin-left: auto; }
  .nav-toggle { display: inline-block; }
  .nav {
    display: none;
    position: absolute;
    top: var(--header);
    left: 0; right: 0;
    z-index: 60;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    margin-left: 0;
    padding: 10px 20px 16px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .nav.open { display: flex; }
  .nav a { width: 100%; height: 36px; padding: 0 12px; justify-content: flex-start; }
  .nav a:hover, .nav a.active:hover { transform: none; box-shadow: none; }
  .header-search { display: none; }
  .hero-grid, .hero-side, .scenario, .case-detail, .footer-grid, .cta-inner, .hub, .hub-split { grid-template-columns: 1fr; }
  .hero-side .glass { width: 100%; }
  .hub-calc.hub-pane { height: auto; min-height: 0; aspect-ratio: 1200 / 617; }
  .cta-inner, .footer-bottom { flex-direction: column; align-items: flex-start; }
  .problem-grid { grid-template-columns: repeat(3, 1fr); }
  .know-grid, .case-grid { grid-template-columns: repeat(2, 1fr); }
  #video-courses .know-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hero h1, .page-hero h1 { font-size: 34px; }
  .form-grid, .principles { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 420px) {
  .brand strong { font-size: 13px; }
  .logo { height: 34px; }
  .header-actions { gap: 6px; }
  .header-actions .btn-navy { padding: 0 10px; font-size: 13px; }
}
@media (max-width: 900px) {
  .module-row { gap: 8px; }
  .tool-card, .download-card { padding: 10px; }
  .tool-card h3, .download-card h3 { font-size: 13px; line-height: 1.35; }
  .tool-card p, .download-card p { font-size: 11px; margin: 4px 0 8px; }
  .module-row .btn { height: 34px; padding: 0 6px; font-size: 12px; }
  .iso { height: 48px; gap: 6px; margin: 4px 0 8px; padding-left: 0; }
  .box { width: 22px; height: 26px; box-shadow: 4px 5px 0 #d5e4fb; }
  .b2 { width: 26px; height: 32px; }
  .b3 { width: 16px; height: 18px; }
  .tool-grid { grid-template-columns: repeat(2, 1fr); gap: 2px; }
  .tool { font-size: 10px; padding: 4px 0; gap: 3px; }
  .tool .ic { width: 26px; height: 26px; }
}
@media (max-width: 720px) {
  .problem-grid, .know-grid, .case-grid, .form-grid, .principles, .calc-card, .sys-list { grid-template-columns: 1fr; }
  #video-courses .know-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 30px; }
  .quote-num { font-size: 26px; }
  .section { padding: 16px 0 12px; }
  .ask { flex-wrap: wrap; }
  .ask .btn { width: 100%; }
  .cta-points { flex-direction: column; }
  .hub-grid, .hub-fields { grid-template-columns: 1fr 1fr; }
  .hub-files { grid-template-columns: 1fr; }
  .hub-price { font-size: 22px; }
  .brand small { display: none; }
  .logo { height: 34px; }
  .brand strong { font-size: 13px; letter-spacing: 0; }
}
.sol-page { background: #f4f7fb; }
.sol-board { padding: 16px 0 18px; }
body.page-solutions .sol-board-ref { background: #eef3f9; }
body.page-solutions .sol-board-how {
  background: #fff;
  border-top: 1px solid #d7e0ec;
  padding: 20px 0 22px;
}
.sol-hero {
  background:
    linear-gradient(90deg, rgba(6, 16, 32, 0.88) 0%, rgba(6, 16, 32, 0.62) 48%, rgba(6, 16, 32, 0.28) 100%),
    url("../images/hero-banner.jpg") center / cover no-repeat;
  color: #fff;
  padding: 22px 0 20px;
}
.sol-hero .crumb { margin-bottom: 10px; }
.sol-hero h1 { margin: 0; font-size: 36px; letter-spacing: -0.03em; }
.sol-hero .lede { max-width: 560px; margin: 8px 0 0; color: rgba(255, 255, 255, 0.82); font-size: 14px; line-height: 1.7; }
.sol-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.sol-chips button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 13px;
  cursor: pointer;
}
.sol-chips button:hover { background: rgba(255, 255, 255, 0.18); }
.sol-chips svg { width: 15px; height: 15px; }
.sol-layout {
  position: relative;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0 20px;
  align-items: stretch;
}
.sol-card {
  background: #fff;
  border: 1px solid #16325f;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(20, 40, 80, 0.05);
}
.sol-side, .sol-rail {
  position: sticky;
  top: 84px;
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 96px);
  overflow: hidden;
}
.sol-tree { flex: 1 1 auto; min-height: 0; overflow: auto; padding: 6px 8px 10px; }
.sol-tree-title {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0 16px;
  background: #fff;
  border-bottom: 0;
  border-radius: 14px 14px 0 0;
  color: #1c2838;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.25;
}
.sol-group-btn, .sol-leaf, .sol-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
  border: 0;
  background: transparent;
  color: #1c2838;
  text-align: left;
  cursor: pointer;
  font-size: 13px;
  line-height: 1.5;
}
.sol-group-btn, .sol-leaf { min-height: 0; padding: 7px 8px; border-radius: 8px; font-weight: 400; }
.sol-group-btn.is-on {
  background: linear-gradient(180deg, #16325f, #0b1c36);
  color: #fff;
}
.sol-note { margin: 0 8px 8px 28px; color: #6b7a90; font-size: 12px; line-height: 1.65; }
.sol-group-btn svg, .sol-leaf svg, .sol-item svg { width: 16px; height: 16px; flex: none; color: #5d7190; }
.sol-num { flex: none; width: 1.7em; color: #8b97a8; }
.sol-leaf::after {
  content: "";
  width: 6px;
  height: 6px;
  margin: 6px 2px 0 auto;
  flex: none;
  border-right: 1.5px solid #8b97a8;
  border-bottom: 1.5px solid #8b97a8;
  transform: rotate(-45deg);
}
.sol-sub { display: none; padding: 2px 0 6px 18px; }
.sol-group.is-open > .sol-sub { display: grid; }
.sol-group:nth-child(odd),
.sol-group:nth-child(even) { background: transparent; }
.sol-item { min-height: 0; height: auto; padding: 7px 8px; border-radius: 8px; color: #3e4d61; }
.sol-item.is-on, .sol-leaf.is-on {
  background: #e8f1ff;
  color: #2f6bff;
}
.sol-item.is-on svg, .sol-leaf.is-on svg { color: #2f6bff; }
.sol-main {
  height: 0;
  min-height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 16px 16px 0;
  background: #f4f7fb;
}
.sol-scroll {
  flex: 1;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  margin: 0;
  padding: 14px 0 16px;
  scrollbar-width: none;
}
.sol-scroll::-webkit-scrollbar {
  width: 0;
  height: 0;
}
.sol-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  background: #dee7f3;
  margin: -16px -16px 0;
  padding: 10px 16px 8px;
  border-bottom: 1px solid #16325f;
  border-radius: 11px 11px 0 0;
}
.sol-head h2 { margin: 0; font-size: 18px; }
.sol-head p { margin: 4px 0 0; color: #5d6b80; font-size: 13px; line-height: 1.4; }
.sol-back { border: 0; background: transparent; color: #6b7a90; font-size: 13px; cursor: pointer; white-space: nowrap; }
.sol-tabs { display: flex; gap: 22px; margin-top: 14px; border-bottom: 1px solid #e7eef8; }
.sol-tabs button {
  position: relative;
  height: 36px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #6b7a90;
  font-size: 14px;
  cursor: pointer;
}
.sol-tabs button.is-on { color: #2f6bff; font-weight: 700; }
.sol-tabs button.is-on::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: #2f6bff;
}
.sol-panel { display: none; padding: 0; }
.sol-panel.is-on {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  align-items: stretch;
}
.sol-article {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  border: 0;
  border-radius: 8px;
  background: #fff;
  color: #1c2838;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.sol-article:hover {
  z-index: 2;
  background: #e0ebff;
  color: #16325f;
  transform: translateY(-6px);
  box-shadow: 0 24px 44px rgba(20, 40, 80, 0.15);
}
.sol-article > a {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-height: 0;
  color: inherit;
  text-decoration: none;
}
.sol-photo {
  flex: none;
  height: 68px;
  overflow: hidden;
}
.sol-article img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
}
.sol-article:hover strong { color: #16325f; }
.sol-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 12px 0;
}
.sol-article strong {
  display: -webkit-box;
  overflow: hidden;
  color: #1c2838;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.sol-desc {
  display: -webkit-box;
  overflow: hidden;
  color: #5d6b80;
  font-size: 12px;
  line-height: 1.45;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.sol-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
  padding: 8px 12px 10px;
}
.sol-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  min-width: 0;
  color: #8b97a8;
  font-size: 12px;
  line-height: 1.3;
}
.sol-get {
  height: 28px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: #eef3ff;
  color: #16325f;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
}
.sol-get:hover { background: #e0ebff; color: #16325f; }
.sol-tag { display: inline-flex; height: 20px; align-items: center; padding: 0 6px; border-radius: 4px; background: #e8f1ff; color: #3d84f6; font-size: 12px; }
.sol-tools { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.sol-tool, .sol-rail .sol-tool {
  display: grid;
  justify-items: center;
  gap: 6px;
  padding: 12px 6px;
  border-radius: 10px;
  background: #f7f9fc;
  color: #1c2838;
  text-decoration: none;
  text-align: center;
  font-size: 12px;
  line-height: 1.35;
}
.sol-tool:hover { background: #eef4ff; }
.sol-tic {
  width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center;
  background: #e8f1ff; color: #2f6bff;
}
.sol-tic svg { width: 18px; height: 18px; }
.sol-file, .sol-case {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  width: 100%;
  padding: 8px 0;
  border: 0;
  background: transparent;
  text-align: left;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
.sol-file strong, .sol-case strong { display: block; font-size: 13px; }
.sol-file small, .sol-case small { color: #8b97a8; font-size: 12px; }
.sol-dl { color: #2f6bff; font-size: 13px; font-weight: 600; }
.sol-case img { width: 36px; height: 36px; object-fit: cover; border-radius: 6px; }
.sol-block { padding: 14px; }
.sol-block + .sol-block { margin-top: 12px; }
.sol-block-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.sol-block-head h3 { margin: 0; font-size: 15px; }
.sol-block-head a { color: #2f6bff; font-size: 13px; text-decoration: none; }
.sol-rail .sol-tools { grid-template-columns: repeat(3, 1fr); }
.sol-ask {
  padding: 16px;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(180deg, #16325f, #0b1c36);
}
.sol-ask h3 { margin: 0 0 6px; font-size: 16px; }
.sol-ask p { margin: 0 0 12px; color: rgba(255, 255, 255, 0.72); font-size: 13px; line-height: 1.6; }
.sol-ask .btn { width: 100%; height: 36px; }
.sol-loc { margin: 0 0 16px; color: #8b97a8; font-size: 12px; }
@media (min-width: 1101px) {
  body.page-solutions {
    height: auto;
    min-height: 100vh;
    overflow: auto;
    display: flex;
    flex-direction: column;
    background: #fff;
  }
  body.page-solutions .site-header,
  body.page-solutions .site-footer,
  body.page-solutions .zone-foot { flex: none; }
  body.page-solutions .sol-board-ref {
    flex: none;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: visible;
    padding: 16px 0 18px;
  }
  body.page-solutions .sol-board-how {
    flex: none;
  }
  body.page-solutions .sol-layout {
    --sol-side-h: 496px;
    --sol-ask-h: 128px;
    --sol-col-gap: 14px;
    --sol-left-h: calc(var(--sol-side-h) + var(--sol-ask-h) + var(--sol-col-gap));
    flex: none;
    min-height: 0;
    height: auto;
    padding: 0;
    grid-template-columns: 210px minmax(0, 1fr);
    grid-template-rows: auto;
    gap: 14px;
    align-items: start;
  }
  body.page-solutions .sol-col {
    display: flex;
    flex-direction: column;
    gap: var(--sol-col-gap);
    width: 210px;
    height: var(--sol-left-h);
    align-self: start;
    min-height: 0;
    min-width: 0;
  }
  body.page-solutions .sol-layout > .sol-card,
  body.page-solutions .sol-col > .sol-card {
    min-height: 0;
    overflow: hidden;
    position: static;
  }
  body.page-solutions .sol-main {
    width: auto;
    height: var(--sol-left-h);
    max-height: var(--sol-left-h);
    min-height: var(--sol-left-h);
    align-self: start;
    box-sizing: border-box;
  }
  body.page-solutions .sol-col > .sol-card.sol-side {
    flex: none;
    width: 100%;
    height: var(--sol-side-h);
    max-height: var(--sol-side-h);
    min-height: var(--sol-side-h);
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    padding: 12px 10px 10px;
    overflow: hidden;
  }
  body.page-solutions .sol-col .case-ask {
    flex: none;
    width: 100%;
    height: var(--sol-ask-h);
    min-height: var(--sol-ask-h);
    max-height: var(--sol-ask-h);
    margin-top: 0;
    padding: 10px 12px 8px;
    border-radius: 14px;
    box-sizing: border-box;
    overflow: hidden;
  }
  body.page-solutions .sol-col .case-ask form { margin-top: 0; gap: 8px; min-width: 0; }
  body.page-solutions .sol-col .case-ask label.sol-line {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    min-width: 0;
    max-width: 100%;
  }
  body.page-solutions .sol-col .case-ask label.sol-line > span {
    flex: none;
    white-space: nowrap;
  }
  body.page-solutions .sol-col .case-ask input {
    flex: 1 1 auto;
    width: auto;
    min-width: 0;
    height: 28px;
  }
  body.page-solutions .sol-col .case-ask .btn-navy { height: 32px; margin-top: 2px; }
  body.page-solutions .sol-col .case-ask .case-lead-error { bottom: 32px; }
  body.page-solutions .sol-col .case-ask .case-lead-note {
    position: static;
    flex: 1 1 auto;
    order: 0;
    min-width: 0;
    height: auto;
    margin: 0;
    display: block;
    overflow: hidden;
    color: #fff;
    font-style: normal;
    font-size: 11px;
    line-height: 1.2;
    text-align: left;
    white-space: nowrap;
    text-overflow: ellipsis;
    opacity: 1;
    transition: opacity 0.5s ease;
  }
  body.page-solutions .sol-col .case-ask .sol-phone input { flex: 1.2 1 76px; min-width: 76px; }
  body.page-solutions .sol-col .case-ask .case-lead-note.is-out { opacity: 0; }
  body.page-solutions .sol-tree-title {
    position: relative;
    z-index: 1;
    flex: none;
    justify-content: flex-start;
    height: auto;
    margin: 0;
    padding: 0 6px 8px;
    background: #fff;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.25;
    color: #1c2838;
  }
  body.page-solutions .sol-tree {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1 1 auto;
    min-height: 0;
    height: auto;
    padding: 6px 0 0;
    overflow: auto;
  }
  body.page-solutions .sol-group {
    position: relative;
    flex: none;
    display: block;
    min-height: 0;
    padding: 0;
  }
  body.page-solutions .sol-group:hover { z-index: 2; }
  body.page-solutions .sol-group-btn {
    align-items: center;
    align-self: stretch;
    flex: none;
    width: 100%;
    height: 32px;
    margin: 0;
    padding: 0 8px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: #1c2838;
    font-size: 13px;
    font-weight: 400;
    line-height: 32px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  }
  body.page-solutions .sol-group-btn i {
    width: 14px;
    height: 14px;
    flex: none;
    background: center / 14px 14px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235d6b80' stroke-width='1.7'%3E%3Cpath d='M4 7h6l2 2h8v9H4z'/%3E%3C/svg%3E");
  }
  body.page-solutions .sol-group-btn span {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }
  body.page-solutions .sol-group-btn.is-on i {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='1.7'%3E%3Cpath d='M4 7h6l2 2h8v9H4z'/%3E%3C/svg%3E");
  }
  body.page-solutions .sol-group-btn:hover {
    position: relative;
    z-index: 2;
    background: #e0ebff;
    color: #16325f;
    transform: translateY(-6px);
    box-shadow: 0 24px 44px rgba(20, 40, 80, 0.15);
  }
  body.page-solutions .sol-group-btn.is-on {
    background: linear-gradient(180deg, #16325f, #0b1c36);
    color: #fff;
  }
  body.page-solutions .sol-group-btn.is-on:hover {
    background: linear-gradient(180deg, #16325f, #0b1c36);
    color: #fff;
    filter: brightness(1.08);
  }
  body.page-solutions .sol-loc { flex: none; margin: 0 0 10px; }
  body.page-solutions .footer-bottom { margin-top: 0; padding-top: 0; border-top: 0; }
}
.sol-empty { margin: 0; color: #8b97a8; font-size: 13px; }

body.page-solutions .sol-page-top {
  flex: none;
}
body.page-solutions .sol-page-top .section-head {
  margin-bottom: 12px;
}
body.page-solutions .sol-page-bottom {
  flex: none;
  margin-top: 0;
  padding-bottom: 0;
}
body.page-solutions .sol-page-bottom .section-head {
  margin-bottom: 14px;
}
body.page-solutions .zone-foot { background: #fff; }
.sol-how-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  align-items: stretch;
}
a.sol-how {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}
.sol-how {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid #16325f;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(20, 40, 80, 0.05);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.sol-how:hover {
  z-index: 2;
  transform: translateY(-8px);
  box-shadow: 0 28px 48px rgba(20, 40, 80, 0.18);
}
.sol-how-photo {
  position: relative;
  height: 148px;
  background: #d9e2ee;
  overflow: hidden;
}
.sol-how-photo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.sol-how-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 24, 48, 0.02), rgba(8, 24, 48, 0.22));
  pointer-events: none;
}
.sol-how-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1 1 auto;
  padding: 14px 14px 16px;
}
.sol-how-body h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: #1c2838;
}
.sol-how-body > p {
  margin: 0;
  color: #5d6b80;
  font-size: 13px;
  line-height: 1.55;
}
.sol-how-body ul {
  margin: 2px 0 0;
  padding: 0;
  list-style: none;
  color: #667588;
  font-size: 12px;
  line-height: 1.7;
}
.sol-how-body li {
  position: relative;
  padding-left: 11px;
}
.sol-how-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #2f6bff;
}
@media (max-width: 900px) {
  .sol-how-grid { grid-template-columns: 1fr; }
  .sol-how-photo { height: 160px; }
}
body.page-solutions .sol-main {
  background: #fff;
  padding: 14px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
body.page-solutions .sol-head { display: none; }
body.page-solutions .sol-scroll {
  flex: 1 1 auto;
  min-height: 0;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  overflow-y: auto;
}
body.page-solutions .sol-panel.is-on {
  display: flex;
  flex-direction: column;
  gap: 0;
}
body.page-solutions .sol-article {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  min-width: 0;
  height: auto;
  min-height: 0;
  padding: 8px;
  overflow: visible;
  border: 0;
  border-bottom: 1px solid #eef2f7;
  border-radius: 8px;
  background: transparent;
  color: #1c2838;
}
body.page-solutions .sol-article:hover {
  position: relative;
  z-index: 2;
  background: #e0ebff;
  color: #16325f;
  border-bottom-color: transparent;
  transform: translateY(-6px);
  box-shadow: 0 24px 44px rgba(20, 40, 80, 0.15);
}
body.page-solutions .sol-article img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
  transform: none;
}
body.page-solutions .sol-article > div:not(.know-filemeta) {
  min-width: 0;
}
body.page-solutions .sol-article h3 { margin: 0; font-size: 13px; font-weight: 700; line-height: 1.3; }
body.page-solutions .sol-article h3 a { color: inherit; text-decoration: none; }
body.page-solutions .sol-article strong {
  display: -webkit-box;
  overflow: hidden;
  color: inherit;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.3;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
body.page-solutions .sol-article p {
  display: -webkit-box;
  overflow: hidden;
  margin: 2px 0 0;
  color: #6b7a90;
  font-size: 11px;
  line-height: 1.4;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}
body.page-solutions .sol-article .know-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}
body.page-solutions .sol-article .know-filemeta {
  align-self: center;
  flex-wrap: nowrap;
  justify-content: flex-end;
}
body.page-solutions .sol-article:hover strong,
body.page-solutions .sol-article:hover h3 a { color: #16325f; }
body.page-solutions .sol-get {
  height: 28px;
  margin: 0;
  padding: 0 12px;
  border: 0;
  border-radius: 8px;
  background: linear-gradient(180deg, #16325f, #0b1c36);
  color: #fff;
  font-size: 11px;
}
body.page-solutions .sol-get:hover { background: linear-gradient(180deg, #16325f, #0b1c36); filter: brightness(1.08); color: #fff; }

@media (max-width: 1100px) {
  .sol-layout { grid-template-columns: 1fr; }
  .sol-side, .sol-rail { position: static; }
  .sol-panel.is-on { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .sol-hero h1 { font-size: 28px; }
  .sol-tools, .sol-rail .sol-tools { grid-template-columns: repeat(2, 1fr); }
  .sol-panel.is-on { grid-template-columns: 1fr; }
  .sol-article { aspect-ratio: auto; }
  .sol-photo { aspect-ratio: 16 / 9; flex: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scene, .article, .case, .case-more, .btn, .nav a, .hub-calc.hub-pane, .hub-tools, .hub-files, .sol-group, .sol-group-btn, .sol-article, .sol-article img, .doc-item, .doc-item::before, .doc-part, .doc-hero, .doc-headline .btn-navy, .case-side, .case-list, .case-pick, .case-ask, .case-card img, .case-pick img, .know-side, .know-main, .know-card, .know-tree button, .know-row, .case-sub, .case-list .case-card, .sol-group-btn, .sol-article, .zone-split .zone-card, .how-file-item { transition: none; }
  body.page-case .doc-main.is-swap .doc-headline,
  body.page-case .doc-main.is-swap .doc-body { animation: none; }
  .know-recent-track,
  .know-recent-track .know-pack { animation: none; }
  .know-recent-scroll {
    overflow-y: auto;
    mask-image: none;
    -webkit-mask-image: none;
  }
}

.doc-page { background: #f4f7fb; padding: 16px 0 28px; }
@media (min-width: 1101px) {
  body.page-article {
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }
  body.page-article .site-header,
  body.page-article .site-footer { flex: none; }
  body.page-article .doc-page {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    padding: 16px 0 0;
    overflow: hidden;
  }
  body.page-article .doc-layout {
    flex: 1 1 auto;
    min-height: 0;
    align-items: stretch;
  }
  body.page-article .doc-side,
  body.page-article .doc-main {
    height: 100%;
    max-height: 100%;
    min-height: 0;
  }
  body.page-article .sol-loc { flex: none; margin: 10px 0; }
  body.page-case .doc-headline { height: auto; min-height: 70px; }
  body.page-case .doc-headline > div { flex: 1 1 auto; min-width: 0; }
}
.doc-layout {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
body.page-case .doc-layout { grid-template-columns: minmax(0, 1fr); }
.doc-side .doc-cat {
  justify-content: flex-start;
  gap: 8px;
  height: 70px;
  padding: 0 12px;
  color: inherit;
  text-decoration: none;
}
.doc-cat span {
  flex: 1 1 auto;
  min-width: 0;
  text-align: left;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.25;
}
.doc-return {
  flex: none;
  height: 32px;
  padding: 0 14px 0 10px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid #16325f;
  border-radius: 8px;
  background: linear-gradient(180deg, #16325f, #0b1c36);
  color: #fff;
  font-size: 13px;
  text-decoration: none;
}
.doc-return:hover { color: #fff; filter: brightness(1.08); }
.doc-return::before {
  content: "";
  width: 7px;
  height: 7px;
  border-left: 1.5px solid #fff;
  border-bottom: 1.5px solid #fff;
  transform: rotate(45deg);
}
.doc-side {
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 104px);
  overflow: hidden;
}
.doc-back {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 10px 14px;
  border-bottom: 1px solid #e6edf5;
  color: #16325f;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}
.doc-back::before {
  content: "";
  width: 7px;
  height: 7px;
  border-left: 1.5px solid #16325f;
  border-bottom: 1.5px solid #16325f;
  transform: rotate(45deg);
}
.doc-list {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  gap: 0;
  padding: 0 14px;
  overflow: auto;
}
.doc-item {
  position: relative;
  z-index: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
  margin: 0;
  padding: 8px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #1c2838;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.doc-item + .doc-item { box-shadow: inset 0 1px 0 #e6edf5; }
body.page-case .doc-item + .doc-item { box-shadow: none; }
.doc-item strong { font-size: 13px; font-weight: 600; line-height: 1.45; color: #1c2838; }
.doc-item span { color: #5d6b80; font-size: 12px; line-height: 1.3; }
body.page-case .doc-item {
  flex: none;
  height: 52px;
  justify-content: center;
  overflow: hidden;
  transform-origin: center center;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
body.page-case .doc-item strong,
body.page-case .doc-item span {
  display: block;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.doc-item:hover,
.doc-item.is-on { background: #ffcc00; box-shadow: none; color: #000; }
.doc-item:hover strong,
.doc-item:hover span,
.doc-item.is-on strong,
.doc-item.is-on span { color: #000; }
body.page-case .doc-item::before {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0;
  right: 0;
  top: 6px;
  bottom: 6px;
  border-radius: 8px;
  background: #ffcc00;
  opacity: 0;
  transition: opacity 0.18s ease;
}
body.page-case .doc-item:hover,
body.page-case .doc-item.is-on { background: transparent; }
body.page-case .doc-item:hover {
  z-index: 2;
  transform: scale(1.02);
  box-shadow: 0 10px 28px rgba(20, 40, 80, 0.07);
}
body.page-case .doc-item:hover::before,
body.page-case .doc-item.is-on::before { opacity: 1; }
body.page-case .doc-part {
  transform-origin: center center;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
body.page-case .doc-part:hover {
  position: relative;
  z-index: 2;
  transform: scale(1.02);
  box-shadow: 0 10px 28px rgba(20, 40, 80, 0.07);
}
body.page-case .doc-hero { transition: transform 0.25s ease; }
body.page-case .doc-hero:hover { transform: scale(1.0125); }
body.page-case .doc-headline .btn-navy {
  transform-origin: center center;
  transition: transform 0.18s ease;
}
body.page-case .doc-headline .btn-navy:hover { transform: scale(1.02); }
body.page-case .doc-main.is-swap .doc-headline,
body.page-case .doc-main.is-swap .doc-body { animation: case-doc-in 0.18s ease; }
@keyframes case-doc-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}
.doc-main {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 16px 18px 22px;
}
.doc-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
}
.doc-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 12px;
  color: #8b97a8;
  font-size: 12px;
}
.doc-crumb a { color: #5d6b80; text-decoration: none; }
.doc-crumb em { color: #1c2838; font-style: normal; }
.doc-headline {
  position: relative;
  z-index: 2;
  flex: none;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  box-sizing: border-box;
  height: 70px;
  margin: -16px -18px 0;
  padding: 10px 16px 8px;
  background: #dee7f3;
  border-bottom: 1px solid #16325f;
  border-radius: 11px 11px 0 0;
}
.doc-headline .btn-navy {
  flex: none;
  height: 32px;
  padding: 0 14px;
  border: 0;
  border-radius: 8px;
  font-size: 13px;
  white-space: nowrap;
}
.doc-main h1 { margin: 0; font-size: 18px; line-height: 1.25; font-weight: 700; }
.doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 0;
  color: #1c2838;
  font-size: 13px;
  line-height: 1.4;
}
.doc-tag {
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: #1c2838;
}
.doc-star {
  flex: none;
  height: 32px;
  padding: 0 12px;
  border: 1px solid #16325f;
  border-radius: 8px;
  background: #fff;
  color: #16325f;
  cursor: pointer;
}
.doc-star.is-on { background: #ffcc00; color: #000; }
.doc-hero {
  display: block;
  width: 100%;
  height: auto;
  margin: 14px 0 8px;
  object-fit: contain;
  border-radius: 10px;
}
.doc-main section { margin-top: 18px; }
.doc-main h2, .doc-box h2 {
  margin: 0 0 10px;
  font-size: 16px;
}
.doc-main h2 { padding-left: 10px; border-left: 3px solid #16325f; }
.doc-main section > p, .doc-advice p, .doc-tip p {
  margin: 0;
  color: #1c2838;
  font-size: 14px;
  line-height: 1.7;
}
.doc-parts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}
.doc-part {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 8px;
  border-radius: 10px;
  background: #f4f7fb;
  text-align: center;
}
.doc-part strong { font-size: 13px; color: #1c2838; }
.doc-part span { color: #1c2838; font-size: 12px; }
.doc-advice { margin: 0; padding-left: 18px; }
.doc-advice li { margin-top: 10px; }
.doc-advice strong { display: block; }
.doc-rail { display: flex; flex-direction: column; gap: 12px; }
.doc-box { padding: 14px; }
.doc-rel {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 0;
  border-top: 1px solid #e6edf5;
  color: inherit;
  text-decoration: none;
}
.doc-rel strong { font-size: 13px; font-weight: 600; }
.doc-rel span { color: #8b97a8; font-size: 12px; }
.doc-file { display: flex; flex-direction: column; gap: 4px; }
.doc-file span { color: #8b97a8; font-size: 12px; }
.doc-dl {
  height: 32px;
  margin-top: 8px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: #eef3ff;
  color: #16325f;
  cursor: pointer;
}
.doc-dl:hover { background: #e0ebff; }
.doc-tip { background: #f4f7fb; }

@media (max-width: 1100px) {
  .doc-layout { grid-template-columns: 1fr; }
  .doc-side, .doc-rail { position: static; max-height: none; }
  .doc-parts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .doc-main h1 { font-size: 22px; }
  .doc-hero { height: auto; }
  .doc-parts { grid-template-columns: 1fr 1fr; }
}

body.page-case .doc-page { padding: 16px 0 20px; }
body.page-case .case-read {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 248px;
  gap: 14px;
  align-items: start;
}
body.page-case .case-read-main,
body.page-case .case-read-rail .sol-card {
  background: #fff;
}
body.page-case .case-read-rail h2 {
  margin: 0;
  padding: 0 6px 8px;
  color: #1c2838;
  font-size: 15px;
  font-weight: 700;
}
body.page-case .case-read-main { padding: 16px; }
body.page-case .case-read-head {
  display: grid;
  flex: none;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 10px;
  row-gap: 2px;
  align-items: start;
  margin: 0 0 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid #eef2f7;
  background: #fff;
}
body.page-case .case-read-head .doc-return {
  grid-column: 1;
  grid-row: 1 / span 2;
  align-self: start;
  height: 32px;
  margin: 0;
}
body.page-case .case-read-main h1 {
  grid-column: 2;
  grid-row: 1;
  align-self: start;
  min-width: 0;
  margin: 0;
  color: #1c2838;
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
}
body.page-case .case-read-line,
body.page-case .case-read-head .doc-meta {
  grid-column: 2;
  grid-row: 2;
}
body.page-case .case-read-line {
  margin: 0;
  color: #5d6b80;
  font-size: 13px;
  line-height: 1;
}
body.page-case .doc-meta { gap: 6px; margin: 0; }
body.page-case .doc-meta span {
  padding: 1px 8px;
  border-radius: 999px;
  background: #eef4ff;
  color: #2f6bff;
  font-size: 11px;
  line-height: 1.6;
}
body.page-case .doc-hero {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 16px;
  border-radius: 8px;
  object-fit: contain;
}
body.page-case .doc-hero:hover { transform: none; }
body.page-case .case-read-main section { margin-top: 16px; scroll-margin-top: 88px; }
body.page-case .case-read-main h2 {
  margin: 0 0 8px;
  padding: 0;
  border: 0;
  color: #1c2838;
  font-size: 15px;
  font-weight: 700;
}
body.page-case .case-read-main section > p {
  margin: 0;
  color: #1c2838;
  font-size: 13px;
  line-height: 1.7;
}
body.page-case .doc-advice {
  margin: 0;
  padding-left: 1.2em;
  color: #1c2838;
  font-size: 13px;
  line-height: 1.7;
}
body.page-case .doc-advice p { margin: 0; color: #1c2838; font-size: 13px; line-height: 1.7; }
body.page-case .doc-advice strong { font-size: 13px; font-weight: 700; }
body.page-case .case-doc h2 { margin-top: 18px; }
body.page-case .case-doc h3 { margin: 12px 0 6px; color: #1c2838; font-size: 13px; font-weight: 700; }
body.page-case .case-doc p,
body.page-case .case-doc li { color: #1c2838; font-size: 13px; line-height: 1.7; }
body.page-case .case-doc p { margin: 0 0 8px; }
body.page-case .case-doc .case-note { color: #6b7a90; font-size: 12px; }
body.page-case .case-doc ul,
body.page-case .case-doc ol { margin: 0 0 8px; padding-left: 1.2em; }
body.page-case .case-doc strong { font-weight: 700; }
body.page-case .case-doc .doc-inline {
  margin: 14px 0 16px;
  padding: 0;
  border: 0;
}
body.page-case .case-doc .doc-inline img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
}
body.page-case .case-doc .doc-inline figcaption {
  margin-top: 8px;
  color: #6b7a90;
  font-size: 12px;
  text-align: center;
}
body.page-case .case-doc table { width: 100%; margin: 8px 0 12px; border-collapse: collapse; font-size: 12px; line-height: 1.5; }
body.page-case .case-doc th,
body.page-case .case-doc td { padding: 8px; border: 1px solid #e6edf5; text-align: left; vertical-align: top; }
body.page-case .case-doc th { background: #f4f7fb; color: #1c2838; font-weight: 700; }
body.page-case .case-doc .doc-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 16px;
}
body.page-case .case-doc .doc-cta .btn {
  height: 36px;
  padding: 0 16px;
  font-size: 13px;
}
body.page-case .case-doc .doc-cta-foot {
  margin: 18px 0 0;
  padding: 14px 14px 12px;
  border-radius: 10px;
  background: #f4f7fb;
}
body.page-case .case-doc .doc-cta-foot p { margin: 0 0 10px; color: #6b7a90; font-size: 12px; }
body.page-case .doc-parts { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }
body.page-case .doc-part {
  align-items: flex-start;
  gap: 4px;
  padding: 10px 12px;
  border-radius: 8px;
  background: #f4f7fb;
  text-align: left;
}
body.page-case .doc-part strong { color: #6b7a90; font-size: 11px; font-weight: 400; }
body.page-case .doc-part span { color: #1c2838; font-size: 13px; font-weight: 700; }
body.page-case .doc-part:hover { transform: none; box-shadow: none; }
body.page-case .case-read-rail { display: flex; flex-direction: column; gap: 14px; }
body.page-case .case-read-rail .sol-card { padding: 14px 12px 12px; }
body.page-case .case-read-rail a {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0 -4px;
  padding: 8px;
  border-radius: 8px;
  color: inherit;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
body.page-case .case-read-rail a:hover {
  position: relative;
  z-index: 2;
  background: #e0ebff;
  transform: translateY(-6px);
  box-shadow: 0 24px 44px rgba(20, 40, 80, 0.15);
}
body.page-case .case-read-rail a strong {
  color: #1c2838;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
}
body.page-case .case-read-rail a span { color: #6b7a90; font-size: 11px; }
body.page-case .case-read-rail .how-files a.how-file-item span {
  color: inherit;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}
body.page-case .case-read-rail .how-files {
  padding: 14px 12px 12px;
}
body.page-case .how-files-title {
  margin: 0;
  padding: 0 6px 8px;
  color: #1c2838;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.25;
}
body.page-case .how-files-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 6px 0 0;
}
body.page-case .how-files-track {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
body.page-case .case-read-rail .how-files .how-file-item,
body.page-case .case-read-rail .how-files a.how-file-item {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  flex: none;
  width: 100%;
  height: 32px;
  margin: 0;
  padding: 0 8px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #1c2838;
  font-size: 13px;
  font-weight: 400;
  line-height: 32px;
  text-align: left;
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
body.page-case .case-read-rail .how-files .how-file-item i {
  width: 14px;
  height: 14px;
  flex: none;
  background: center / 14px 14px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235d6b80' stroke-width='1.7'%3E%3Cpath d='M4 7h6l2 2h8v9H4z'/%3E%3C/svg%3E");
}
body.page-case .case-read-rail .how-files .how-file-item span {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: inherit;
  font-size: inherit;
}
body.page-case .case-read-rail .how-files .how-file-item:hover {
  position: relative;
  z-index: 2;
  background: #e0ebff;
  color: #16325f;
  transform: translateY(-6px);
  box-shadow: 0 24px 44px rgba(20, 40, 80, 0.15);
}
body.page-case .case-read-rail .how-files .how-file-item.is-on {
  background: linear-gradient(180deg, #16325f, #0b1c36);
  color: #fff;
}
body.page-case .case-read-rail .how-files .how-file-item.is-on:hover {
  background: linear-gradient(180deg, #16325f, #0b1c36);
  color: #fff;
  filter: brightness(1.08);
}
body.page-case .case-read-rail .how-files .how-file-item.is-on i {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='1.7'%3E%3Cpath d='M4 7h6l2 2h8v9H4z'/%3E%3C/svg%3E");
}
body.page-case .case-read-rail .how-files h2 { display: none; }
body.page-case .how-files-empty {
  margin: 8px 0 0;
  color: #6b7a90;
  font-size: 12px;
}
body.page-case .case-read-dl p { margin: 0 0 10px; color: #6b7a90; font-size: 12px; line-height: 1.55; }
body.page-case .case-read-dl .btn {
  width: 100%;
  height: 32px;
  padding: 0;
  border: 1px solid #16325f;
  border-radius: 8px;
  background: linear-gradient(180deg, #16325f, #0b1c36);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
}
body.page-case .case-read-dl .btn:hover {
  z-index: 2;
  filter: brightness(1.08);
  color: #fff;
  transform: translateY(-6px);
  box-shadow: 0 24px 44px rgba(20, 40, 80, 0.15);
}
body.page-case .case-read-rail .case-ask {
  flex: none;
  margin-top: 0;
  padding: 10px 12px 8px;
  border-radius: 14px;
}
body.page-case .case-read-rail .case-ask form { margin-top: 0; gap: 8px; min-width: 0; }
body.page-case .case-read-rail .case-ask label.sol-line {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  min-width: 0;
  max-width: 100%;
}
body.page-case .case-read-rail .case-ask label.sol-line > span {
  flex: none;
  white-space: nowrap;
}
body.page-case .case-read-rail .case-ask input {
  flex: 1 1 auto;
  width: auto;
  min-width: 0;
  height: 28px;
}
body.page-case .case-read-rail .case-ask .btn-navy { height: 32px; margin-top: 2px; }
body.page-case .case-read-rail .case-ask .case-lead-error { bottom: 32px; }
body.page-case .case-read-rail .case-ask .case-lead-note {
  position: static;
  flex: 1 1 auto;
  order: 0;
  min-width: 0;
  height: auto;
  margin: 0;
  display: block;
  overflow: hidden;
  color: #fff;
  font-style: normal;
  font-size: 11px;
  line-height: 1.2;
  text-align: left;
  white-space: nowrap;
  text-overflow: ellipsis;
  opacity: 1;
  transition: opacity 0.5s ease;
}
body.page-case .case-read-rail .case-ask .sol-phone input { flex: 1.2 1 76px; min-width: 76px; }
body.page-case .case-read-rail .case-ask .case-lead-note.is-out { opacity: 0; }
@media (min-width: 1101px) {
  body.page-case .case-read {
    flex: 1 1 auto;
    height: auto;
    min-height: 0;
    grid-template-rows: minmax(0, 1fr);
    align-items: stretch;
  }
  body.page-case .case-read-main,
  body.page-case .case-read-rail {
    height: 100%;
    max-height: 100%;
    min-height: 0;
  }
  body.page-case .case-read-main {
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }
  body.page-case .case-read-rail { overflow: hidden; }
  body.page-case .case-read-rail > .sol-card:first-child {
    flex: 1 1 auto;
    min-height: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }
  body.page-case .case-read-rail .how-files {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
  }
  body.page-case .case-read-rail .how-files-scroll {
    flex: 1 1 auto;
    min-height: 120px;
    max-height: none;
  }
  body.page-case .case-read-scroll {
    flex: 1 1 auto;
    min-height: 0;
    overflow: auto;
  }
  body.page-case .case-read-scroll > :not(.doc-hero) {
    flex: none;
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: none;
  }
}
body.page-case .case-read-scroll :where(img, video, iframe, table) {
  max-width: 100%;
}
@media (max-width: 1100px) {
  body.page-case .case-read { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  body.page-case .case-read-main h1 { font-size: 16px; }
  body.page-case .doc-hero { height: auto; }
}

.zone-hero {
  position: relative;
  color: #fff;
  background: #071526 url("../images/network.jpg") right center / cover no-repeat;
  overflow: hidden;
}
.zone-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 21, 38, 0.94) 0%, rgba(7, 21, 38, 0.78) 34%, rgba(7, 21, 38, 0.28) 68%, rgba(7, 21, 38, 0.12) 100%);
}
.zone-hero-inner { position: relative; padding: 22px 0 26px; }
.zone-hero .crumb { color: rgba(255, 255, 255, 0.62); font-size: 13px; }
.zone-hero .crumb a { color: rgba(255, 255, 255, 0.82); }
.zone-hero h1 { margin: 8px 0 0; font-size: 36px; letter-spacing: -0.03em; }
.zone-hero-inner > p { max-width: 560px; margin: 8px 0 0; color: rgba(255, 255, 255, 0.78); }
.zone-stats { display: flex; flex-wrap: nowrap; margin-top: 22px; max-width: 920px; }
.zone-stat { display: flex; align-items: center; gap: 10px; padding-right: 22px; margin-right: 22px; border-right: 1px solid rgba(255, 255, 255, 0.18); }
.zone-stat:last-child { border-right: 0; margin-right: 0; padding-right: 0; }
.zone-stat i { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: rgba(255, 255, 255, 0.12); flex: none; }
.zone-stat svg { width: 18px; height: 18px; }
.zone-stat span { font-size: 12px; line-height: 1.35; color: rgba(255, 255, 255, 0.72); }
.zone-stat b { display: block; font-size: 16px; color: #fff; font-weight: 700; }
.zone-page { background: #fff; padding: 18px 0 28px; }
.zone-foot { background: #f4f7fb; }
.zone-note { margin: 8px 0 0; color: #6b7a90; font-size: 12px; line-height: 1.5; }
body.page-zone { background: #fff; }
body.page-zone #zone-tools { background: var(--bg); }
@media (min-width: 1101px) {
  body.page-zone {
    height: auto;
    min-height: 100vh;
    overflow: visible;
    display: flex;
    flex-direction: column;
    background: #fff;
  }
  body.page-zone .site-header,
  body.page-zone .site-footer,
  body.page-zone .zone-foot { flex: none; }
  body.page-zone .zone-page {
    flex: none;
    height: auto;
    overflow: visible;
    display: block;
    padding-bottom: 0;
  }
  body.page-zone .zone-page > .container {
    display: block;
    height: auto;
  }
  body.page-zone .zone-estimate-view { flex: none; min-height: 0; }
  body.page-zone .zone-note { margin-top: 8px; }
  body.page-zone .sol-loc { margin: 0 0 10px; }
}
.zone-tool-grid {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 8px;
  align-items: start;
}
.zone-tool-grid .zone-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  min-height: 0;
  height: auto;
  margin: 0;
  padding: 8px 7px 7px;
  text-align: left;
  font: inherit;
  color: inherit;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid #8fa0b5;
  box-shadow: 0 8px 24px rgba(20, 40, 80, 0.05);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, border-width 0.18s ease;
  animation: zone-card-in 0.45s ease both;
}
.zone-tool-grid .zone-card:nth-child(1) { --card-tone: #e8f1ff; animation-delay: 0.02s; background: #e8f1ff; }
.zone-tool-grid .zone-card:nth-child(2) { --card-tone: #e7f7ef; animation-delay: 0.06s; background: #e7f7ef; }
.zone-tool-grid .zone-card:nth-child(3) { --card-tone: #f1eaff; animation-delay: 0.1s; background: #f1eaff; }
.zone-tool-grid .zone-card:nth-child(4) { --card-tone: #fff1e4; animation-delay: 0.14s; background: #fff1e4; }
.zone-tool-grid .zone-card:nth-child(5) { --card-tone: #fff8e6; animation-delay: 0.18s; background: #fff8e6; }
.zone-tool-grid .zone-card:nth-child(6) { --card-tone: #e6f7f5; animation-delay: 0.22s; background: #e6f7f5; }
.zone-tool-grid .zone-card:nth-child(7) { --card-tone: #eef3ff; animation-delay: 0.26s; background: #eef3ff; }
.zone-tool-grid .zone-card:nth-child(8) { --card-tone: #f8eef6; animation-delay: 0.3s; background: #f8eef6; }
/* 悬停 / 选中：上浮；阴影色跟随卡片背景 */
.zone-tool-grid .zone-card:hover,
.zone-tool-grid .zone-card.is-on {
  position: relative;
  z-index: 2;
  transform: translateY(-12px);
  box-shadow:
    0 40px 64px color-mix(in srgb, var(--card-tone) 42%, transparent),
    0 12px 24px color-mix(in srgb, var(--card-tone) 55%, #1a2a44);
}
.zone-tool-grid .zone-card.is-on {
  border-width: 1.5px;
  border-color: #16325f;
  box-shadow:
    0 20px 32px color-mix(in srgb, var(--card-tone) 35%, #1a2a44),
    0 8px 16px color-mix(in srgb, var(--card-tone) 55%, transparent);
}
.zone-tool-grid .zone-card .zone-ic {
  display: grid;
  place-items: center;
  width: 100%;
  height: 52px;
  margin: 0;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 0 0 1px rgba(22, 50, 95, 0.08);
  flex: none;
}
.zone-tool-grid .zone-card .zone-ic svg {
  width: 40px;
  height: 40px;
}
.zone-tool-grid .zone-card h3 {
  margin: 7px 0 0;
  font-size: 12px;
  line-height: 1.25;
  -webkit-line-clamp: 2;
  min-height: 0;
  flex: none;
}
.zone-tool-grid .zone-card p {
  margin: 3px 0 0;
  font-size: 10px;
  line-height: 1.3;
  -webkit-line-clamp: 2;
  min-height: 0;
  flex: none;
}
.zone-tool-grid .zone-card .zone-go { display: none; }
@keyframes zone-card-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
.zone-storage {
  --zone-soft-h: 620px;
  --zone-soft-z: 0.78;
  margin-top: 16px;
  overflow: hidden;
  border: 3px solid #16325f;
  border-radius: 14px;
  background: #e8f1ff;
  box-shadow: 0 8px 24px rgba(20, 40, 80, 0.05);
  scroll-margin-top: 88px;
  transition: background 0.2s ease;
}
/* 背景与上方对应卡片一致 */
.zone-storage.tone-blue { background: #e8f1ff; }
.zone-storage.tone-green { background: #e7f7ef; }
.zone-storage.tone-purple { background: #f1eaff; }
.zone-storage.tone-orange { background: #fff1e4; }
.zone-storage.tone-amber { background: #fff8e6; }
.zone-storage.tone-teal { background: #e6f7f5; }
.zone-storage.tone-indigo { background: #eef3ff; }
.zone-storage.tone-rose { background: #f8eef6; }
/* 软件区按桌面完整布局放大虚拟宽高后再缩小，保证一屏看全 */
.zone-storage-panel[data-panel]:not([data-panel="soon"]) {
  height: var(--zone-soft-h);
  overflow: hidden;
}
.zone-storage-panel iframe {
  display: block;
  width: calc(100% / var(--zone-soft-z));
  height: calc(var(--zone-soft-h) / var(--zone-soft-z));
  border: 0;
  background: transparent;
  transform: scale(var(--zone-soft-z));
  transform-origin: top left;
}
.zone-tool-soon {
  display: grid;
  place-content: center;
  gap: 8px;
  box-sizing: border-box;
  width: 100%;
  height: var(--zone-soft-h);
  min-height: var(--zone-soft-h);
  padding: 32px 24px;
  text-align: center;
}
.zone-tool-soon strong {
  font-size: 18px;
  color: #16325f;
}
.zone-tool-soon p {
  margin: 0;
  color: #6b7a90;
  font-size: 14px;
}
.zone-storage-panel[hidden] { display: none; }
@media (max-width: 1100px) {
  .zone-storage { --zone-soft-z: 0.72; --zone-soft-h: 600px; }
}
@media (max-width: 820px) {
  .zone-storage { --zone-soft-z: 0.62; --zone-soft-h: 720px; }
}
@media (prefers-reduced-motion: reduce) {
  .zone-tool-grid .zone-card {
    animation: none;
    transition: none;
  }
  .zone-tool-grid .zone-card:hover {
    transform: none;
    box-shadow: 0 8px 24px rgba(20, 40, 80, 0.05);
  }
  .zone-tool-grid .zone-card.is-on {
    transform: none;
    box-shadow: 0 0 0 2px #16325f, 0 8px 24px rgba(20, 40, 80, 0.08);
  }
}
.zone-split { display: grid; grid-template-columns: minmax(0, 1fr) 140px; gap: 10px; align-items: stretch; }
.zone-estimate { --z: 0.82; display: flex; flex-direction: column; position: relative; width: auto; height: auto; margin: 0; min-width: 0; overflow: hidden; }
.zone-estimate-view { flex: 1 1 auto; min-height: 0; overflow: hidden; }
.zone-estimate iframe { display: block; width: calc(100% / var(--z)); height: 640px; border: 0; background: transparent; transform: scale(var(--z)); transform-origin: top left; }
.zone-split .zone-block { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.zone-split .zone-block-head { margin-bottom: 8px; }
.zone-split .zone-grid { display: flex; flex-direction: column; gap: 6px; flex: 1; min-height: 0; }
.zone-split .zone-block-head p {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.zone-split .zone-card {
  flex: 1 1 0;
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  align-content: center;
  column-gap: 4px;
  row-gap: 1px;
  min-height: 0;
  padding: 4px 6px;
  overflow: hidden;
}
.zone-split .zone-card .zone-ic { grid-column: 1; grid-row: 1 / span 2; align-self: center; width: 18px; height: 18px; }
.zone-split .zone-card .zone-ic svg { width: 12px; height: 12px; }
.zone-split .zone-card h3 { grid-column: 2; grid-row: 1; margin: 0; font-size: 11px; line-height: 1.25; -webkit-line-clamp: 2; }
.zone-split .zone-card p { grid-column: 2; grid-row: 2; margin: 0; font-size: 10px; line-height: 1.25; -webkit-line-clamp: 1; }
.zone-split .zone-card .zone-tags { display: none; }
.zone-split .zone-card .zone-go { grid-column: 1 / -1; justify-self: start; margin: 0; height: 18px; padding: 0 4px; font-size: 10px; white-space: nowrap; }
.zone-side-card, .zone-panel, .zone-card { background: #fff; border: 1px solid #e4ebf3; border-radius: 12px; }
.zone-card { border-color: #16325f; }
.zone-tool-grid .zone-card { border-width: 1px; border-color: #8fa0b5; }
.zone-tool-grid .zone-card.is-on { border-width: 1.5px; border-color: #16325f; }
body.page-zone .zone-estimate {
  height: auto;
  aspect-ratio: 1200 / 640;
  min-height: 0;
  border: 1px solid #16325f;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(20, 40, 80, 0.05);
}
body.page-zone .zone-block {
  background: #fff;
  border: 1px solid #16325f;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(20, 40, 80, 0.05);
  padding: 10px 8px;
  overflow: visible;
}
body.page-zone .zone-block-head h2 { font-size: 15px; color: #1c2838; }
body.page-zone .zone-split .zone-card {
  border: 0;
  border-radius: 8px;
  background: transparent;
  box-shadow: none;
  overflow: visible;
  color: #1c2838;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
body.page-zone .zone-split .zone-card:hover {
  position: relative;
  z-index: 2;
  background: #e0ebff;
  color: #16325f;
  transform: translateY(-6px);
  box-shadow: 0 24px 44px rgba(20, 40, 80, 0.15);
}
body.page-zone .zone-split .zone-card h3 { font-size: 13px; color: #1c2838; }
body.page-zone .zone-split .zone-card:hover h3 { color: #16325f; }
.zone-side-card { padding: 8px; }
.zone-filter, .zone-sys, .zone-more, .zone-files button {
  border: 0;
  background: transparent;
  font: inherit;
  cursor: pointer;
}
.zone-filter, .zone-sys {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 36px;
  padding: 0 10px;
  border-radius: 8px;
  color: #1c2838;
  text-align: left;
  font-size: 13px;
}
.zone-filter i, .zone-sys i { display: grid; place-items: center; width: 16px; height: 16px; flex: none; color: #6b7a90; }
.zone-filter svg, .zone-sys svg { width: 16px; height: 16px; }
.zone-filter em { margin-left: auto; font-style: normal; color: #8b97a8; font-size: 12px; }
.zone-filter.is-on, .zone-sys.is-on { background: #e8f1ff; color: #1d4ed8; }
.zone-filter.is-on i, .zone-sys.is-on i, .zone-filter.is-on em { color: #1d4ed8; }
.zone-side-label { margin: 12px 10px 4px; color: #8b97a8; font-size: 12px; }
.zone-block + .zone-block { margin-top: 18px; }
.zone-block-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.zone-block-head h2, .zone-panel h2 { margin: 0; font-size: 16px; color: #1c2838; }
.zone-panel h2 { display: flex; align-items: center; gap: 6px; }
.zone-panel h2 svg { width: 16px; height: 16px; color: #e07a12; }
.zone-block-head p { margin: 2px 0 0; color: #8b97a8; font-size: 12px; }
.zone-more { color: #2f6bff; font-size: 13px; white-space: nowrap; }
.zone-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 8px; }
.zone-card { display: flex; flex-direction: column; min-height: 0; padding: 8px; }
.zone-card h3 {
  margin: 6px 0 0;
  font-size: 12px;
  line-height: 1.35;
  color: #1c2838;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.zone-card p {
  margin: 4px 0 0;
  color: #6b7a90;
  font-size: 11px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.zone-card .zone-ic { width: 24px; height: 24px; border-radius: 6px; }
.zone-card .zone-ic svg { width: 14px; height: 14px; }
.zone-card .zone-tags { margin: 6px 0; gap: 3px; }
.zone-card .zone-tags span { padding: 0 4px; font-size: 10px; }
.zone-card .zone-go { height: 24px; padding: 0 6px; font-size: 11px; border-radius: 6px; }
.zone-ic { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 8px; }
.zone-ic svg { width: 16px; height: 16px; }
.ic-blue { background: #e8f1ff; color: #2f6bff; }
.ic-green { background: #e7f7ef; color: #14804a; }
.ic-purple { background: #f1eaff; color: #7a3ff2; }
.ic-orange { background: #fff1e4; color: #e07a12; }
.zone-tags { display: flex; flex-wrap: wrap; gap: 4px; margin: 8px 0 10px; }
.zone-tags span { padding: 1px 6px; border-radius: 4px; background: #f4f7fb; color: #6b7a90; font-size: 11px; }
.zone-go {
  margin-top: auto;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 10px;
  border: 1px solid #d7e3f2;
  border-radius: 8px;
  background: #fff;
  color: #2f6bff;
  font-size: 12px;
  text-decoration: none;
  cursor: pointer;
}
.zone-go:hover { background: #f3f7ff; }
.zone-empty { margin: 24px 0; color: #6b7a90; text-align: center; }
.zone-panel { padding: 12px 12px 6px; }
.zone-hot { margin: 6px 0 0; padding: 0; list-style: none; }
.zone-hot a {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  padding: 8px 0;
  color: inherit;
  text-decoration: none;
  border-top: 1px solid #eef2f7;
}
.zone-hot li:first-child a { border-top: 0; }
.zone-hot b { display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: #e8f1ff; color: #2f6bff; font-size: 12px; }
.zone-hot li:nth-child(1) b, .zone-hot li:nth-child(5) b { background: #fff1e4; color: #e07a12; }
.zone-hot li:nth-child(3) b { background: #e7f7ef; color: #14804a; }
.zone-hot li:nth-child(4) b { background: #f1eaff; color: #7a3ff2; }
.zone-hot span { display: flex; flex-direction: column; min-width: 0; font-size: 13px; line-height: 1.3; color: #1c2838; }
.zone-hot small { color: #8b97a8; font-size: 11px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.zone-hot em { font-style: normal; color: #2f6bff; font-size: 12px; white-space: nowrap; }
.zone-promo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 12px 0;
  padding: 14px;
  border-radius: 12px;
  background: linear-gradient(135deg, #1d4ed8, #3b82f6);
  color: #fff;
  text-decoration: none;
}
.zone-promo strong { display: block; font-size: 15px; }
.zone-promo span { display: block; margin-top: 4px; color: rgba(255, 255, 255, 0.84); font-size: 12px; line-height: 1.45; }
.zone-promo em {
  display: inline-flex;
  align-items: center;
  height: 26px;
  margin-top: 10px;
  padding: 0 10px;
  border-radius: 6px;
  background: #fff;
  color: #1d4ed8;
  font-style: normal;
  font-size: 12px;
}
.zone-promo img { width: 78px; height: 64px; object-fit: cover; border-radius: 8px; flex: none; }
.zone-files { margin: 4px 0 6px; padding: 0; list-style: none; }
.zone-files li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  border-top: 1px solid #eef2f7;
}
.zone-files i {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #e8f1ff;
  color: #2f6bff;
  font-size: 10px;
  font-style: normal;
  font-weight: 700;
}
.zone-files span { font-size: 13px; color: #1c2838; line-height: 1.3; }
.zone-files small { display: block; color: #8b97a8; font-size: 11px; }
.zone-files button {
  height: 26px;
  padding: 0 8px;
  border: 1px solid #d7e3f2;
  border-radius: 6px;
  color: #2f6bff;
  font-size: 12px;
  background: #fff;
}
.zone-cta { background: #071526; color: #fff; }
.zone-cta-inner { display: grid; grid-template-columns: minmax(240px, 1.15fr) auto auto; align-items: center; gap: 28px; padding: 18px 0; }
.zone-cta-lead { display: flex; align-items: center; gap: 12px; }
.zone-cta-lead > i { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; background: rgba(255, 255, 255, 0.08); flex: none; }
.zone-cta-lead svg { width: 20px; height: 20px; }
.zone-cta h2 { margin: 0; font-size: 18px; }
.zone-cta p { margin: 4px 0 0; color: rgba(255, 255, 255, 0.62); font-size: 12px; }
.zone-cta-links { display: flex; gap: 28px; }
.zone-cta-links a { display: flex; flex-direction: column; text-decoration: none; }
.zone-cta-links b { font-size: 14px; font-weight: 600; color: #fff; }
.zone-cta-links span { margin-top: 2px; font-size: 12px; color: rgba(255, 255, 255, 0.5); }
.zone-cta .btn-navy { flex: none; height: 40px; padding: 0 16px; border: 0; border-radius: 8px; }
@media (max-width: 1100px) {
  .zone-split { grid-template-columns: 1fr; }
  .zone-estimate { height: auto; aspect-ratio: 1200 / 640; }
  .zone-grid { grid-template-columns: 1fr; }
  .zone-tool-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
  .zone-cta-inner { grid-template-columns: 1fr; gap: 16px; }
  .zone-cta-links { flex-wrap: wrap; gap: 16px 24px; }
}
@media (max-width: 720px) {
  .zone-tool-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .zone-hero h1 { font-size: 32px; }
  .zone-stats { flex-wrap: wrap; gap: 12px 0; }
  .zone-stat { border-right: 0; margin-right: 0; width: 100%; }
}

.case-hero {
  position: relative;
  color: #fff;
  background: #071526 url("../images/hero.jpg") center 42% / cover no-repeat;
  overflow: hidden;
}
.case-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 21, 38, 0.88) 0%, rgba(7, 21, 38, 0.55) 42%, rgba(7, 21, 38, 0.18) 100%);
}
.case-hero-inner { position: relative; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; padding: 36px 0 28px; }
.case-hero h1 { margin: 0; font-size: 40px; letter-spacing: -0.03em; }
.case-hero h1 + p { margin: 8px 0 0; font-size: 18px; font-weight: 600; }
.case-hero .lede { max-width: 520px; margin: 8px 0 0; color: rgba(255, 255, 255, 0.78); font-size: 13px; line-height: 1.6; }
.case-stats { display: flex; gap: 22px; flex: none; }
.case-stat { display: flex; align-items: center; gap: 8px; }
.case-stat i { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; background: rgba(255, 255, 255, 0.12); }
.case-stat svg { width: 18px; height: 18px; }
.case-stat b { display: block; font-size: 18px; line-height: 1.1; }
.case-stat span { display: block; margin-top: 2px; color: rgba(255, 255, 255, 0.72); font-size: 12px; }
body.page-cases { background: #f4f7fb; }
.case-board { padding: 16px 0 18px; }
body.page-cases .case-board-ref {
  background: #eef3f9;
}
body.page-cases .case-board-shots {
  background: #fff;
  border-top: 1px solid #d7e0ec;
}
body.page-cases .case-board-top {
  flex: none;
}
body.page-cases .case-board-top .section-head {
  margin-bottom: 14px;
}
body.page-cases .case-board-bottom {
  flex: none;
  margin-top: 0;
  padding-bottom: 4px;
}
body.page-cases .case-board-bottom .section-head {
  margin-bottom: 12px;
}
.case-gallery {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  grid-template-rows: 148px 148px;
  gap: 10px;
}
.case-shot {
  position: relative;
  display: block;
  min-width: 0;
  overflow: hidden;
  border: 1px solid #16325f;
  border-radius: 12px;
  background: #d9e2ee;
  text-decoration: none;
  color: #fff;
}
.case-shot.is-wide {
  grid-column: 1;
  grid-row: 1 / span 2;
}
.case-shot img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.28s ease;
}
.case-shot span {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 28px 12px 10px;
  background: linear-gradient(180deg, transparent, rgba(8, 24, 48, 0.72));
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.case-shot:hover img {
  transform: scale(1.04);
}
.case-shot:hover {
  box-shadow: 0 16px 32px rgba(20, 40, 80, 0.16);
}
@media (max-width: 1100px) {
  .case-gallery {
    grid-template-columns: 1.2fr 1fr 1fr;
    grid-template-rows: 140px 140px 140px;
  }
  .case-shot.is-wide { grid-row: 1 / span 2; }
}
@media (max-width: 720px) {
  .case-gallery {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: none;
    grid-auto-rows: 132px;
  }
  .case-shot.is-wide {
    grid-column: 1 / -1;
    grid-row: auto;
    min-height: 180px;
  }
}
body.page-cases .sol-loc { margin: 0 0 10px; }
.case-layout { display: grid; grid-template-columns: 210px minmax(0, 1fr) 248px; gap: 14px; align-items: start; }
.case-side, .case-pick, .case-files, .case-ask { background: #fff; border: 1px solid #16325f; border-radius: 14px; box-shadow: 0 8px 24px rgba(20, 40, 80, 0.05); }
.case-side { padding: 14px 10px 10px; }
.case-side h2 { margin: 0; padding: 0 6px 8px; font-size: 15px; color: #1c2838; }
.case-tree { display: flex; flex-direction: column; gap: 2px; }
.case-tree button {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  height: 32px;
  padding: 0 8px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #1c2838;
  font-size: 13px;
  font-weight: 400;
  text-align: left;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
body.page-cases .case-tree button:hover {
  position: relative;
  z-index: 2;
  background: #e0ebff;
  color: #16325f;
  transform: translateY(-6px);
  box-shadow: 0 24px 44px rgba(20, 40, 80, 0.15);
}
body.page-cases .case-tree button.is-on:hover {
  background: linear-gradient(180deg, #16325f, #0b1c36);
  color: #fff;
  filter: brightness(1.08);
}
.case-tree button i {
  width: 14px;
  height: 14px;
  flex: none;
  background: center / 14px 14px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235d6b80' stroke-width='1.7'%3E%3Cpath d='M4 7h6l2 2h8v9H4z'/%3E%3C/svg%3E");
}
.case-tree .is-parent { font-weight: 700; }
.case-tree .is-child { padding-left: 22px; color: #3e4d61; }
.case-tree button span { flex: 1 1 auto; min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.case-tree em { font-style: normal; color: #8b97a8; font-size: 12px; font-weight: 400; }
.case-tree button.is-on { background: linear-gradient(180deg, #16325f, #0b1c36); color: #fff; }
.case-tree button.is-on i { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='1.7'%3E%3Cpath d='M4 7h6l2 2h8v9H4z'/%3E%3C/svg%3E"); }
.case-tree button.is-on em { color: rgba(255, 255, 255, 0.85); }
.case-row, .case-parent, .case-sub {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 36px;
  padding: 0 14px 0 13px;
  border: 0;
  border-left: 3px solid transparent;
  background: transparent;
  color: #1c2838;
  font: inherit;
  font-size: 13px;
  text-align: left;
}
.case-row, .case-sub { cursor: pointer; }
.case-parent { min-height: 40px; margin-top: 6px; font-weight: 600; }
.case-row b, .case-parent b, .case-sub b { flex: 1; min-width: 0; font-weight: inherit; }
.case-row em, .case-parent em, .case-sub em { font-style: normal; color: #8b97a8; font-size: 12px; font-weight: 500; }
.case-ico { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 6px; background: linear-gradient(180deg, #16325f, #0b1c36); color: #fff; flex: none; }
.case-ico svg { width: 13px; height: 13px; }
.case-sub { min-height: 32px; margin: 1px 8px; width: calc(100% - 16px); padding: 0 8px; border: 0; border-radius: 8px; color: #3e4d61; font-size: 13px; font-weight: 400; transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease; }
body.page-cases .case-sub:hover {
  position: relative;
  z-index: 2;
  background: #e0ebff;
  color: #16325f;
  transform: translateY(-6px);
  box-shadow: 0 24px 44px rgba(20, 40, 80, 0.15);
}
body.page-cases .case-sub.is-on {
  background: linear-gradient(180deg, #16325f, #0b1c36);
  border-left-color: transparent;
  color: #fff;
  font-weight: 600;
}
body.page-cases .case-sub.is-on:hover {
  background: linear-gradient(180deg, #16325f, #0b1c36);
  color: #fff;
  filter: brightness(1.08);
}
body.page-cases .case-sub.is-on span,
body.page-cases .case-sub.is-on em { color: rgba(255, 255, 255, 0.85); }
.case-sub span { width: 12px; color: #8b97a8; flex: none; }
.case-tools { display: flex; align-items: center; gap: 8px; margin: 0 0 8px; flex: none; }
.case-tools label { flex: 1; display: flex; align-items: center; min-width: 0; height: 36px; padding: 0; border: 0; background: transparent; box-shadow: none; }
.case-tools input { width: 100%; height: 36px; padding: 0 12px; border: 1px solid #e6edf5; border-radius: 8px; background: #fff; color: #1c2838; font: inherit; font-size: 12px; outline: 0; }
.case-tools button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: linear-gradient(180deg, #16325f, #0b1c36);
  color: #fff;
  cursor: pointer;
}
.case-tools button svg { width: 14px; height: 14px; }
.case-sort { height: 36px; margin-left: 0; padding: 0 8px; border: 1px solid #e6edf5; border-radius: 8px; background: #fff; color: #1c2838; font-size: 12px; box-shadow: none; }
.case-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 14px;
  background: #fff;
  border: 1px solid #16325f;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(20, 40, 80, 0.05);
}
.case-list { display: flex; flex-direction: column; gap: 0; align-content: start; min-height: 0; padding: 0; background: transparent; border: 0; border-radius: 0; box-shadow: none; overflow: auto; }
.case-card { display: grid; grid-template-columns: 36px minmax(0, 1fr) auto; gap: 10px; align-items: center; padding: 8px; }
.case-list .case-card { flex: none; border: 0; border-bottom: 1px solid #eef2f7; border-radius: 8px; box-shadow: none; background: transparent; overflow: visible; color: #1c2838; transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease; }
.case-list .case-card[hidden] { display: none; }
body.page-cases .case-list .case-card:hover {
  position: relative;
  z-index: 2;
  background: #e0ebff;
  color: #16325f;
  border-bottom-color: transparent;
  transform: translateY(-6px);
  box-shadow: 0 24px 44px rgba(20, 40, 80, 0.15);
}
body.page-cases .case-list .case-card:hover h2,
body.page-cases .case-list .case-card:hover h2 a { color: #16325f; }
.case-list .case-card:hover img { transform: none; }
.case-list .case-card.is-alt { background: transparent; }
.case-card img { width: 36px; height: 36px; object-fit: cover; border-radius: 8px; }
.case-card h2 { margin: 0; color: #1c2838; font-size: 13px; line-height: 1.3; font-weight: 700; }
.case-card h2 a { color: inherit; text-decoration: none; }
.case-card h2 a:hover { color: #16325f; }
.case-list .case-card > div { display: flex; flex-direction: column; min-width: 0; }
.case-list .case-card > div h2 { order: 1; }
.case-list .case-card > div p { order: 2; }
.case-list .case-card > div .case-meta { order: 3; }
.case-card p { margin: 2px 0 0; color: #6b7a90; font-size: 11px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.case-list .case-card .case-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; color: inherit; font-size: 11px; }
.case-list .case-card .case-meta span { display: inline-flex; padding: 1px 8px; border-radius: 999px; background: #eef4ff; color: #2f6bff; font-size: 11px; }
.case-list .case-card .case-meta i { display: none; }
.case-card .case-more {
  display: inline-flex;
  align-items: center;
  align-self: center;
  height: 28px;
  min-height: 0;
  margin: 0;
  padding: 0 12px;
  border: 0;
  border-radius: 8px;
  background: linear-gradient(180deg, #16325f, #0b1c36);
  color: #fff;
  font-size: 11px;
  text-decoration: none;
  white-space: nowrap;
}
.case-card .case-more:hover { background: linear-gradient(180deg, #16325f, #0b1c36); color: #fff; filter: brightness(1.08); transform: none; box-shadow: none; }
.case-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px; }
.case-tags span { padding: 1px 6px; border: 1px solid #e6edf5; border-radius: 4px; background: #f4f7fb; color: #5d6b80; font-size: 11px; }
.case-tags span.is-blue { border-color: #d6e4ff; background: #eef4ff; color: #2f6bff; }
.case-meta { display: flex; flex-wrap: wrap; gap: 2px 10px; margin-top: 2px; color: #6b7a90; font-size: 12px; }
.case-meta span { display: inline-flex; align-items: center; gap: 4px; }
.case-meta i { width: 13px; height: 13px; background: currentColor; flex: none;
  -webkit-mask: var(--mi) center / contain no-repeat; mask: var(--mi) center / contain no-repeat; }
.mi-area { --mi: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M4 20V9l8-5 8 5v11'/%3E%3Cpath d='M9 20v-6h6v6'/%3E%3C/svg%3E"); }
.mi-cam { --mi: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M4 8h10l2-2h4v12H4z'/%3E%3Ccircle cx='9' cy='13' r='2.5'/%3E%3C/svg%3E"); }
.mi-room { --mi: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Crect x='4' y='3' width='16' height='18' rx='1'/%3E%3Cpath d='M8 7h8M8 11h8M8 15h5'/%3E%3C/svg%3E"); }
.mi-bldg { --mi: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M3 20h18M6 20V6h6v14M12 20V10h6v10'/%3E%3C/svg%3E"); }
.mi-point { --mi: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3Cpath d='M12 3v3M12 18v3M3 12h3M18 12h3'/%3E%3C/svg%3E"); }
.mi-road { --mi: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2'%3E%3Cpath d='M12 21s7-6.2 7-11a7 7 0 1 0-14 0c0 4.8 7 11 7 11z'/%3E%3Ccircle cx='12' cy='10' r='2'/%3E%3C/svg%3E"); }
.case-more { display: inline-flex; align-items: center; height: 26px; margin-top: 8px; padding: 0 10px; border-radius: 6px; background: #eef4ff; color: #2f6bff; font-size: 12px; text-decoration: none; white-space: nowrap; }
.case-foot { display: flex; align-items: center; justify-content: flex-end; gap: 12px; margin-top: 10px; color: #8b97a8; font-size: 12px; flex: none; }
.case-empty { margin: 24px 0; color: #6b7a90; text-align: center; }
.case-pick { overflow: hidden; }
.case-pick img { width: 100%; height: 96px; object-fit: cover; }
.case-pick:hover img { transform: none; }
.case-pick div, .case-files, .case-ask { padding: 12px; }
.case-kicker { margin: 0 0 4px; color: #2f6bff; font-size: 12px; font-weight: 600; }
.case-pick h2, .case-files h2, .case-ask h2 { margin: 0; font-size: 15px; }
.case-pick p, .case-ask p { margin: 6px 0 0; color: #6b7a90; font-size: 12px; line-height: 1.55; }
.case-pick .pick-text { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.case-pick .case-tags { margin-bottom: 4px; }
.case-files { margin-top: 12px; }
.case-files ul { margin: 8px 0 0; padding: 0; list-style: none; }
.case-files a { display: flex; justify-content: space-between; gap: 8px; padding: 8px 0; border-top: 1px solid #eef2f7; color: #1c2838; font-size: 13px; text-decoration: none; }
.case-files li:first-child a { border-top: 0; }
.case-files em { font-style: normal; color: #2f6bff; font-size: 12px; }
.case-ask { margin-top: 12px; background: linear-gradient(180deg, #16325f, #0b1c36); color: #fff; border: 1px solid #16325f; }
.case-ask p { color: rgba(255, 255, 255, 0.72); }
.case-ask form { position: relative; display: grid; gap: 8px; margin-top: 10px; }
.case-ask label { display: grid; gap: 4px; color: rgba(255, 255, 255, 0.78); font-size: 12px; }
.case-ask input { height: 32px; padding: 0 10px; border: 0; border-radius: 8px; background: #fff; color: #1c2838; font: inherit; font-size: 13px; }
.case-ask .btn-navy { width: 100%; height: 36px; margin-top: calc(12px * 1.6 + 4px); border: 0; }
.case-ask .case-lead-error,
.case-ask .case-lead-note {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 36px;
  height: calc(8px + 12px * 1.6 + 4px);
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 12px;
  line-height: 1.25;
  pointer-events: none;
}
.case-ask .case-lead-error[hidden],
.case-ask .case-lead-note[hidden] { display: none !important; }
.case-ask .case-lead-error { color: #ffd2d2; }
.case-ask .case-lead-note { color: #fff; transition: opacity 0.15s ease; }
.case-ask .case-lead-note.is-out { opacity: 0; }
@media (min-width: 1101px) {
  body.page-cases {
    height: auto;
    min-height: 100vh;
    overflow: auto;
    display: flex;
    flex-direction: column;
  }
  body.page-cases .site-header,
  body.page-cases .site-footer,
  body.page-cases .zone-foot { flex: none; }
  body.page-cases .case-board-ref {
    flex: none;
    min-height: 0;
    display: flex;
    flex-direction: column;
    height: auto;
    overflow: visible;
    padding: 16px 0 18px;
  }
  body.page-cases .case-board-shots {
    flex: none;
    padding: 20px 0 22px;
  }
  body.page-cases .case-layout {
    flex: none;
    min-height: 0;
    height: auto;
    grid-template-rows: auto;
    align-items: start;
  }
  body.page-cases .case-main,
  body.page-cases .case-rail {
    height: 100%;
    max-height: 100%;
    align-self: stretch;
    min-height: 0;
    overflow: hidden;
  }
  body.page-cases .case-side {
    display: flex;
    flex-direction: column;
    align-self: start;
    height: auto;
    max-height: none;
    min-height: 0;
    overflow: visible;
  }
  body.page-cases .case-side h2 { flex: none; }
  body.page-cases .case-tree {
    flex: none;
    min-height: 0;
    height: auto;
    overflow: visible;
    padding-top: 8px;
  }
  body.page-cases .case-tree button { flex: none; }
  body.page-cases .case-tools,
  body.page-cases .case-empty { flex: none; }
  body.page-cases .case-list { flex: 1 1 auto; min-height: 0; overflow-y: auto; }
  body.page-cases .case-rail {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  body.page-cases .case-hot {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    padding: 14px;
    overflow: hidden;
    background: #fff;
    border: 1px solid #16325f;
    border-radius: 14px;
    box-shadow: 0 8px 24px rgba(20, 40, 80, 0.05);
  }
  body.page-cases .case-hot header { flex: none; }
  body.page-cases .case-hot .know-recent-scroll {
    flex: 1 1 auto;
    min-height: 0;
    max-height: none;
  }
  body.page-cases .case-hot .know-pack {
    margin-top: 6px;
  }
  body.page-cases .case-hot .know-pack span {
    min-width: 0;
    overflow: hidden;
  }
  body.page-cases .case-hot .know-pack small {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }
  body.page-cases .case-ask {
    flex: none;
    margin-top: 0;
    padding: 10px 12px 8px;
    border-radius: 14px;
    overflow: hidden;
  }
  body.page-cases .case-ask form { margin-top: 0; gap: 8px; min-width: 0; }
  body.page-cases .case-ask label.sol-line {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    min-width: 0;
    max-width: 100%;
  }
  body.page-cases .case-ask label.sol-line > span {
    flex: none;
    white-space: nowrap;
  }
  body.page-cases .case-ask input {
    flex: 1 1 auto;
    width: auto;
    min-width: 0;
    height: 28px;
  }
  body.page-cases .case-ask .btn-navy {
    height: 32px;
    margin-top: 2px;
  }
  body.page-cases .case-ask .case-lead-error { bottom: 32px; }
  body.page-cases .case-ask .case-lead-note {
    position: static;
    flex: 1 1 auto;
    order: 0;
    min-width: 0;
    height: auto;
    margin: 0;
    display: block;
    overflow: hidden;
    color: #fff;
    font-style: normal;
    font-size: 11px;
    line-height: 1.2;
    text-align: left;
    white-space: nowrap;
    text-overflow: ellipsis;
    opacity: 1;
    transition: opacity 0.5s ease;
  }
  body.page-cases .case-ask .sol-phone input { flex: 1.2 1 76px; min-width: 76px; }
  body.page-cases .case-ask .case-lead-note.is-out { opacity: 0; }
}
@media (max-width: 1100px) {
  .case-hero-inner, .case-layout { display: block; }
  .case-stats { margin-top: 16px; }
  .case-side, .case-rail { margin-top: 12px; }
  .case-card { grid-template-columns: 36px minmax(0, 1fr); }
  .case-card img { width: 36px; height: 36px; }
  .case-card .case-more { grid-column: 2; justify-self: start; }
}

body.page-know { background: #fff; }
.know-page {
  background: #fff;
  padding: 16px 0 20px;
}
body.page-know #video-courses {
  background: var(--bg);
}
.know-layout { display: grid; grid-template-columns: 268px minmax(0, 1fr) 248px; gap: 14px; align-items: start; }
.know-side, .know-main {
  background: #fff;
  border: 1px solid #e6edf5;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(20, 40, 80, 0.04);
}
body.page-know .know-side,
body.page-know .know-main,
body.page-know .know-card {
  border: 1px solid #16325f;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(20, 40, 80, 0.05);
}
body.page-know .know-rail .know-card,
body.page-know .know-rail .know-card:hover,
body.page-know .know-pack,
body.page-know .know-pack:hover {
  transform: none;
  transition: none;
}
body.page-know .know-rail .know-card:hover {
  z-index: auto;
  box-shadow: 0 8px 24px rgba(20, 40, 80, 0.05);
}
.know-side { padding: 14px 10px 10px; }
.know-side h2, .know-card h2 { margin: 0; font-size: 15px; }
.know-side h2 { padding: 0 6px 8px; }
.know-tree { display: flex; flex-direction: column; gap: 2px; }
.know-group { display: flex; flex-direction: column; gap: 2px; flex: none; }
.know-group + .know-group { margin-top: 8px; }
.know-tree button {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  height: auto;
  min-height: 32px;
  padding: 6px 8px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #1c2838;
  font-size: 13px;
  text-align: left;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
body.page-know .know-tree button:hover {
  position: relative;
  z-index: 2;
  background: #e0ebff;
  color: #16325f;
  transform: translateY(-6px);
  box-shadow: 0 24px 44px rgba(20, 40, 80, 0.15);
}
body.page-know .know-tree button.is-on:hover {
  background: linear-gradient(180deg, #16325f, #0b1c36);
  color: #fff;
  filter: brightness(1.08);
}
.know-tree button i {
  width: 14px;
  height: 14px;
  flex: none;
  background: center / 14px 14px no-repeat url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235d6b80' stroke-width='1.7'%3E%3Cpath d='M4 7h6l2 2h8v9H4z'/%3E%3C/svg%3E");
}
.know-tree button:not(.is-child) { font-weight: 700; }
.know-tree .is-parent::after {
  content: "";
  width: 7px;
  height: 7px;
  flex: none;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
}
.know-group.is-collapsed .is-parent::after { transform: rotate(-45deg); }
.know-group.is-collapsed .is-child { display: none; }
.know-tree .is-child { padding-left: 22px; color: #3e4d61; font-weight: 400; }
.know-tree button span { flex: 1 1 auto; min-width: 0; overflow: visible; white-space: normal; line-height: 1.35; }
.know-tree em { font-style: normal; color: #8b97a8; font-size: 12px; }
.know-tree button.is-on { background: linear-gradient(180deg, #16325f, #0b1c36); color: #fff; }
.know-tree button.is-on i { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='1.7'%3E%3Cpath d='M4 7h6l2 2h8v9H4z'/%3E%3C/svg%3E"); }
.know-tree button.is-on em { color: rgba(255, 255, 255, 0.85); }
.know-main { padding: 14px; }
.know-search { display: flex; gap: 8px; }
.know-search input {
  flex: 1 1 auto;
  height: 36px;
  padding: 0 12px;
  border: 1px solid #e6edf5;
  border-radius: 8px;
  background: #fff;
  color: #1c2838;
  font-size: 12px;
}
.know-search button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: linear-gradient(180deg, #16325f, #0b1c36);
  color: #fff;
  cursor: pointer;
}
.know-search svg { width: 14px; height: 14px; }
.know-filters { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; margin-top: 10px; }
.know-filters label, .know-meta label { display: grid; gap: 0; color: #8b97a8; }
.know-filters label { font-size: 0; }
.know-meta label { font-size: 12px; }
.know-filters select, .know-meta select {
  height: 32px;
  padding: 0 8px;
  border: 1px solid #e6edf5;
  border-radius: 8px;
  background: #fff;
  color: #1c2838;
  font-size: 12px;
}
.know-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 12px; border-bottom: 1px solid #e6edf5; }
.know-tabs { display: flex; gap: 16px; }
.know-tabs button {
  position: relative;
  height: 34px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #5d6b80;
  font-size: 14px;
  cursor: pointer;
}
.know-tabs button.is-on { color: #2f6bff; font-weight: 700; }
.know-tabs button.is-on::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: #2f6bff; }
.know-meta { display: flex; align-items: center; gap: 10px; margin: 0; color: #8b97a8; font-size: 12px; white-space: nowrap; }
.know-meta label { grid-template-columns: auto auto; align-items: center; }
.know-list { display: flex; flex-direction: column; }
.know-row {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 8px;
  border-bottom: 1px solid #eef2f7;
  border-radius: 8px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
body.page-know .know-row:hover {
  position: relative;
  z-index: 2;
  background: #e0ebff;
  color: #16325f;
  border-bottom-color: transparent;
  transform: translateY(-6px);
  box-shadow: 0 24px 44px rgba(20, 40, 80, 0.15);
}
.know-row[hidden] { display: none; }
.know-file {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  font-style: normal;
  font-size: 12px;
  font-weight: 700;
}
.know-file.is-xls { background: #e7f8f0; color: #1f9d62; }
.know-file.is-exe { background: #e8f1ff; color: #3d84f6; }
.know-file.is-pdf { background: #f0edff; color: #6d5ef0; }
.know-file.is-doc { background: #e8f1ff; color: #3d84f6; }
.know-file.is-img { background: #fff3e0; color: #e09212; }
.know-row h3 { margin: 0; font-size: 13px; line-height: 1.3; }
body.page-know .know-row h3 a { color: inherit; text-decoration: none; }
.know-row p {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 2px 0 0;
  color: #6b7a90;
  font-size: 11px;
  line-height: 1.4;
}
.know-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.know-tags span { padding: 1px 8px; border-radius: 999px; background: #eef4ff; color: #2f6bff; font-size: 11px; }
.know-filemeta { display: flex; align-items: center; gap: 8px; }
.know-filemeta b { font-size: 11px; color: #1c2838; }
.know-filemeta small, .know-filemeta time { color: #8b97a8; font-size: 11px; }
.know-dl {
  height: 28px;
  margin: 0;
  padding: 0 12px;
  border: 0;
  border-radius: 8px;
  background: linear-gradient(180deg, #16325f, #0b1c36);
  color: #fff;
  font-size: 11px;
  white-space: nowrap;
  cursor: pointer;
}
.know-dl:hover { filter: brightness(1.08); }
.know-empty { margin: 18px 0; color: #8b97a8; font-size: 12px; text-align: center; }
.know-empty[hidden] { display: none; }
.know-pager { display: flex; justify-content: center; align-items: center; gap: 6px; margin-top: 14px; }
.know-pager button, .know-pager span {
  min-width: 28px;
  height: 28px;
  padding: 0 6px;
  border: 1px solid #e6edf5;
  border-radius: 6px;
  background: #fff;
  color: #5d6b80;
  font-size: 12px;
}
.know-pager button { cursor: pointer; }
.know-pager button.is-on { border-color: #2f6bff; background: #2f6bff; color: #fff; }
.know-pager[hidden] { display: none; }
.know-rail { display: flex; flex-direction: column; gap: 12px; }
body.page-know .know-card { padding: 14px; }
.know-card header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.know-card header a, .know-card > a { color: #2f6bff; font-size: 12px; text-decoration: none; }
.know-tool, .know-pack { display: grid; align-items: center; gap: 8px; margin-top: 8px; color: inherit; text-decoration: none; }
.know-tool { grid-template-columns: 32px minmax(0, 1fr) auto; }
.know-tool i, .know-pack i { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 8px; background: #eef3ff; color: #2f6bff; }
.know-tool svg, .know-pack svg { width: 16px; height: 16px; }
.know-tool b, .know-pack b { display: block; font-size: 13px; line-height: 1.3; }
.know-tool small, .know-pack small { display: block; margin-top: 2px; color: #6b7a90; font-size: 12px; line-height: 1.35; }
.know-tool em { font-style: normal; color: #2f6bff; font-size: 12px; white-space: nowrap; }
.know-card a.know-pack { grid-template-columns: 32px minmax(0, 1fr); padding: 6px 8px; border-radius: 10px; color: #1c2838; }
body.page-know .know-pack { margin-top: 6px; }
body.page-know .know-pack span { min-width: 0; overflow: hidden; }
body.page-know .know-pack small {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.know-pack.is-blue { background: #e8f1ff; }
.know-pack.is-green { background: #e7f8f0; }
.know-pack.is-teal { background: #f0edff; }
.know-pack.is-blue i { background: #3d84f6; color: #fff; }
.know-pack.is-green i { background: #2fbf7a; color: #fff; }
.know-pack.is-teal i { background: #7b6cf6; color: #fff; }
.know-pack small { color: #6b7a90; }
.know-recent-scroll {
  max-height: 276px;
  overflow: hidden;
  padding-right: 4px;
  mask-image: linear-gradient(to bottom, transparent, #000 12px, #000 calc(100% - 12px), transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 12px, #000 calc(100% - 12px), transparent);
}
.know-recent-track {
  display: flex;
  flex-direction: column;
  will-change: transform;
  animation: know-hot-scroll 32s linear infinite;
}
.know-recent-scroll:hover .know-recent-track {
  animation-play-state: paused;
}
.know-recent-track .know-pack {
  flex: none;
  animation: know-hot-in 0.55s ease both;
}
.know-recent-track .know-pack:nth-child(1) { animation-delay: 0.04s; }
.know-recent-track .know-pack:nth-child(2) { animation-delay: 0.08s; }
.know-recent-track .know-pack:nth-child(3) { animation-delay: 0.12s; }
.know-recent-track .know-pack:nth-child(4) { animation-delay: 0.16s; }
.know-recent-track .know-pack:nth-child(5) { animation-delay: 0.2s; }
.know-recent-track .know-pack:nth-child(6) { animation-delay: 0.24s; }
.know-recent-track .know-pack:nth-child(7) { animation-delay: 0.28s; }
.know-recent-track .know-pack:nth-child(8) { animation-delay: 0.32s; }
@keyframes know-hot-scroll {
  from { transform: translateY(0); }
  to { transform: translateY(-50%); }
}
@keyframes know-hot-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.know-recent-item { display: flex; flex-direction: column; gap: 2px; color: #1c2838; text-decoration: none; }
.know-recent-item b { font-size: 13px; font-weight: 600; line-height: 1.35; }
.know-recent-item small { color: #6b7a90; font-size: 12px; }
body.page-know .know-stats {
  background: linear-gradient(180deg, #16325f, #0b1c36);
  border-color: #16325f;
  color: #fff;
}
body.page-know .know-stats h2 { margin-bottom: 10px; color: #fff; }
body.page-know .know-stats ul { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 0; padding: 0; list-style: none; text-align: center; }
body.page-know .know-stats b { display: block; color: #ffcc00; font-size: 18px; line-height: 1.2; }
body.page-know .know-stats span { display: block; margin-top: 2px; color: rgba(255, 255, 255, 0.72); font-size: 12px; }
body.page-know .sol-loc { margin: 0 0 10px; }
@media (min-width: 1101px) {
  body.page-know {
    height: auto;
    min-height: 100vh;
    overflow: visible;
    display: flex;
    flex-direction: column;
  }
  body.page-know .site-header,
  body.page-know .site-footer,
  body.page-know .zone-foot { flex: none; }
  body.page-know .know-page {
    flex: none;
    height: auto;
    display: flex;
    flex-direction: column;
    overflow: visible;
    padding: 16px 0 0;
  }
  body.page-know .know-lead { flex: none; }
  body.page-know .know-lead .section-head { margin-bottom: 14px; }
  body.page-know .know-layout {
    flex: none;
    min-height: 0;
    height: auto;
    grid-template-rows: auto;
    align-items: start;
  }
  body.page-know .know-side,
  body.page-know .know-main,
  body.page-know .know-rail {
    height: 100%;
    min-height: 0;
    overflow: hidden;
  }
  body.page-know .know-rail {
    height: auto;
    max-height: 100%;
    align-self: start;
    overflow: hidden;
  }
  body.page-know .know-rail > .know-card:first-child {
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
  }
  body.page-know .know-rail > .know-stats { flex: none; }
  body.page-know .know-recent-scroll {
    flex: 1 1 auto;
    min-height: 0;
    max-height: none;
  }
  body.page-know .know-side {
    display: flex;
    flex-direction: column;
    height: auto;
    max-height: 100%;
    align-self: start;
    overflow: hidden;
  }
  body.page-know .know-side h2 { flex: none; }
  body.page-know .know-tree {
    flex: 1 1 auto;
    min-height: 0;
    overflow: auto;
    padding-top: 8px;
  }
  body.page-know .know-tree > [data-cat="all"] {
    position: sticky;
    top: 0;
    z-index: 3;
    background: #fff;
  }
  body.page-know .know-tree > [data-cat="all"].is-on {
    background: linear-gradient(180deg, #16325f, #0b1c36);
  }
  body.page-know .know-tree button { flex: none; }
  .know-main {
    display: flex;
    flex-direction: column;
    height: auto;
    max-height: 100%;
    align-self: start;
    overflow: hidden;
  }
  .know-search,
  .know-filters,
  .know-bar,
  .know-empty,
  .know-pager { flex: none; }
  .know-list { flex: 1 1 auto; min-height: 0; overflow-y: auto; }
}
@media (max-width: 1100px) {
  .know-layout, .know-filters { grid-template-columns: 1fr; }
  .know-row { grid-template-columns: 40px minmax(0, 1fr); }
  .know-filemeta { grid-column: 2; justify-items: start; }
}

/* YouTube-like course watch */
body.page-course { background: #fff; }
.yt-page {
  padding: 16px 0 28px;
  background: #fff;
}
.yt-shell {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 402px;
  gap: 16px 24px;
  align-items: start;
}
.yt-top {
  grid-column: 1 / -1;
  flex: none;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 10px 14px;
  border: 1px solid #16325f;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(20, 40, 80, 0.05);
}
.yt-top .doc-return { flex: none; }
.yt-subs {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.yt-subs a.yt-sub-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 24px;
  padding: 0 10px;
  border: 0;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}
.yt-subs a.yt-sub-tag.know-blue { background: #e8f1ff; color: #3d84f6; }
.yt-subs a.yt-sub-tag.know-green { background: #e7f8f0; color: #1f9d62; }
.yt-subs a.yt-sub-tag.know-purple { background: #f0edff; color: #6d5ef0; }
.yt-subs a.yt-sub-tag.know-orange { background: #fff3e0; color: #e09212; }
.yt-subs a.yt-sub-tag.know-blue:hover { background: #d9e8ff; color: #2f6bff; }
.yt-subs a.yt-sub-tag.know-green:hover { background: #d8f3e6; color: #178a55; }
.yt-subs a.yt-sub-tag.know-purple:hover { background: #e6e0ff; color: #5a4ae0; }
.yt-subs a.yt-sub-tag.know-orange:hover { background: #ffe8c7; color: #d4820a; }
.yt-subs a.yt-sub-tag.know-blue.is-on { background: #3d84f6; color: #fff; }
.yt-subs a.yt-sub-tag.know-green.is-on { background: #2fbf7a; color: #fff; }
.yt-subs a.yt-sub-tag.know-purple.is-on { background: #7b6cf6; color: #fff; }
.yt-subs a.yt-sub-tag.know-orange.is-on { background: #f5a524; color: #fff; }
.yt-primary { min-width: 0; }
.yt-player {
  position: relative;
  flex: none;
  overflow: hidden;
  border: 1px solid #16325f;
  border-radius: 14px;
  background: #0f0f0f;
  aspect-ratio: 16 / 9;
  box-shadow: 0 8px 24px rgba(20, 40, 80, 0.05);
}
.yt-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}
.yt-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  cursor: pointer;
}
.yt-overlay[hidden] {
  display: none !important;
  pointer-events: none;
}
.yt-player video::-webkit-media-controls-panel {
  z-index: 3;
}
.yt-poster {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.yt-play {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 3;
  width: auto;
  height: auto;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  cursor: pointer;
  transform: translate(-50%, -50%);
  box-shadow: none;
  transition: transform 0.18s ease, filter 0.18s ease;
}
.yt-play:hover {
  transform: translate(-50%, -50%) scale(1.06);
  filter: brightness(1.05);
}
.yt-play img {
  display: block;
  width: 90px;
  height: auto;
  filter: drop-shadow(0 10px 22px rgba(0, 0, 0, 0.4));
}
.yt-title {
  margin: 0 0 10px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #0f0f0f;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  box-shadow: none;
}
.yt-title-sys {
  display: inline;
  margin-right: 8px;
  color: #2f6bff;
  font-weight: 700;
}
.yt-title-sys::after {
  content: " · ";
  color: #8b97a8;
  font-weight: 500;
}
.yt-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.yt-channel {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.yt-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: contain;
  background: #f4f7fb;
  padding: 4px;
  border: 1px solid #e6edf5;
}
.yt-channel b {
  display: block;
  font-size: 14px;
  line-height: 1.3;
}
.yt-channel small {
  display: block;
  margin-top: 2px;
  color: #606060;
  font-size: 12px;
}
.yt-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.yt-chip {
  height: 36px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 0;
  background: #f2f2f2;
  color: #0f0f0f;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.yt-chip:hover { background: #e5e5e5; }
.yt-chip-strong {
  background: #16325f;
  color: #fff;
}
.yt-chip-strong:hover { filter: brightness(1.08); background: #16325f; color: #fff; }
.yt-desc {
  margin-top: 14px;
  padding: 14px 14px 12px;
  border: 1px solid #16325f;
  border-radius: 14px;
  background: #f2f2f2;
  box-shadow: 0 8px 24px rgba(20, 40, 80, 0.05);
}
.yt-desc-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
  color: #0f0f0f;
  font-size: 13px;
  font-weight: 600;
}
.yt-desc-stats span:nth-child(even) { color: #606060; font-weight: 400; }
.yt-desc-body {
  color: #0f0f0f;
  font-size: 13px;
  line-height: 1.7;
}
.yt-desc.is-collapsed .yt-desc-body {
  max-height: 7.8em;
  overflow: hidden;
  mask-image: linear-gradient(180deg, #000 55%, transparent);
  -webkit-mask-image: linear-gradient(180deg, #000 55%, transparent);
}
.yt-desc-body > p { margin: 0 0 10px; }
.yt-desc-body > p:last-child { margin-bottom: 0; }
.yt-desc-body h3 {
  margin: 18px 0 8px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.35;
}
.yt-desc-body h4 {
  margin: 14px 0 6px;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
}
.yt-desc-body ul,
.yt-desc-body ol {
  margin: 0 0 10px;
  padding-left: 1.2em;
}
.yt-desc-body li + li { margin-top: 4px; }
.yt-outline {
  margin: 0 0 12px;
  padding-left: 1.3em;
  font-weight: 600;
}
.yt-callout,
.yt-summary {
  margin: 12px 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.72);
}
.yt-callout b,
.yt-summary b {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
}
.yt-callout p,
.yt-summary p { margin: 0 0 8px; }
.yt-callout p:last-child,
.yt-summary p:last-child { margin-bottom: 0; }
.yt-callout ul { margin: 6px 0 8px; }
.yt-desc-more {
  display: inline-flex;
  margin-top: 8px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #0f0f0f;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}
.yt-desc-more:hover { text-decoration: underline; }
.yt-desc-more[hidden] { display: none; }
.yt-side {
  min-width: 0;
  align-self: start;
  display: flex;
  flex-direction: column;
}
.yt-playlist {
  border: 1px solid #16325f;
  border-radius: 14px;
  background: #fff;
  overflow: hidden;
  flex: none;
  min-height: 0;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: calc(var(--header) + 12px);
  box-shadow: 0 8px 24px rgba(20, 40, 80, 0.05);
}
.yt-playlist .yt-queue {
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-gutter: stable;
}
.yt-playlist-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 12px 10px;
  background: #fff;
  border-bottom: 1px solid #f0f0f0;
}
.yt-playlist-head h2 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
}
.yt-playlist-head p {
  margin: 4px 0 0;
  color: #606060;
  font-size: 12px;
}
.yt-playlist-back {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #0f0f0f;
  text-decoration: none;
  font-size: 22px;
  line-height: 1;
}
.yt-playlist-back:hover { background: #f2f2f2; }
.yt-queue {
  margin: 0;
  padding: 6px 0;
  list-style: none;
  overflow-y: auto;
  flex: 1 1 auto;
  min-height: 0;
}
.yt-item button {
  width: 100%;
  display: grid;
  grid-template-columns: 22px 108px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  margin: 0;
  padding: 8px 10px;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}
.yt-item button:hover { background: #f2f2f2; }
.yt-item.is-on button { background: #e8f0fe; }
.yt-item-idx {
  display: grid;
  place-items: center;
  padding-top: 18px;
  color: #606060;
  font-size: 12px;
}
.yt-item.is-on .yt-item-idx {
  color: #065fd4;
  font-weight: 700;
}
.yt-thumb {
  position: relative;
  display: block;
  width: 108px;
  height: 60px;
  border-radius: 8px;
  overflow: hidden;
  background: #111;
}
.yt-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.yt-thumb em {
  position: absolute;
  right: 4px;
  bottom: 4px;
  padding: 1px 4px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  font-style: normal;
  font-size: 11px;
  line-height: 1.3;
}
.yt-item-body b {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
  color: #0f0f0f;
}
.yt-item-body small {
  display: block;
  margin-top: 4px;
  color: #606060;
  font-size: 12px;
}
@media (max-width: 1100px) {
  .yt-shell {
    grid-template-columns: 1fr;
    width: min(var(--max), calc(100% - 40px));
    gap: 18px;
  }
  .yt-playlist {
    position: static;
    max-height: none;
  }
  .yt-title { font-size: 18px; }
}

/* —— 关于凡普 —— */
.page-about .about-hero .about-eyebrow {
  margin: 14px 0 0;
  color: #ffcc00;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.page-about .about-hero .about-motto {
  margin: 18px 0 0;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.page-about .about-stats-wrap { padding-top: 0; margin-top: -28px; }
.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  padding: 18px;
  border: 1px solid #16325f;
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow);
}
.page-about .about-stat {
  padding: 8px 10px;
  text-align: center;
}
.page-about .about-stat b {
  display: block;
  color: #16325f;
  font-size: 28px;
  font-weight: 750;
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.page-about .about-stat span {
  display: block;
  margin-top: 6px;
  color: #6b7a90;
  font-size: 13px;
}
.page-about .about-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 22px;
  align-items: center;
}
.page-about .about-intro-copy p {
  margin: 0 0 14px;
  color: #3e4d61;
  line-height: 1.85;
}
.page-about .about-intro-copy p:last-child { margin-bottom: 0; }
.page-about .about-intro-aside {
  border: 1px solid #16325f;
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
}
.page-about .about-intro-aside img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  object-position: center top;
}
.page-about .about-timeline {
  margin: 0;
  padding: 14px 16px 16px;
  list-style: none;
}
.page-about .about-timeline li {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid #eef2f7;
  color: #526176;
  font-size: 14px;
}
.page-about .about-timeline li:last-child { border-bottom: 0; padding-bottom: 0; }
.page-about .about-timeline b { color: #16325f; font-weight: 750; }
.page-about .about-biz {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.page-about .about-biz-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid #16325f;
  border-radius: 18px;
  background: #fff;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.page-about .about-biz-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 28px 48px rgba(20, 40, 80, 0.18);
}
.page-about .about-biz-card .photo { height: 160px; overflow: hidden; }
.page-about .about-biz-card .photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-about .about-biz-card .body { padding: 16px 16px 18px; }
.page-about .about-biz-card h3 { margin: 0 0 8px; font-size: 18px; }
.page-about .about-biz-card p {
  margin: 0 0 12px;
  color: #667588;
  font-size: 13px;
  line-height: 1.7;
}
.page-about .about-biz-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .about-biz-card li {
  position: relative;
  padding-left: 12px;
  margin: 6px 0 0;
  color: #526176;
  font-size: 13px;
  line-height: 1.55;
}
.page-about .about-biz-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blue);
}
.page-about .about-modules,
.page-about .about-security {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.page-about .about-modules article,
.page-about .about-security article,
.page-about .about-scenes article {
  padding: 18px 16px;
  border: 1px solid #16325f;
  border-radius: 16px;
  background: #fff;
}
.page-about .about-modules h3,
.page-about .about-security h3,
.page-about .about-scenes h3 {
  margin: 0 0 8px;
  font-size: 16px;
}
.page-about .about-modules p,
.page-about .about-security p,
.page-about .about-scenes p {
  margin: 0;
  color: #667588;
  font-size: 13px;
  line-height: 1.7;
}
.page-about .about-scenes {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}
.page-about .about-cases {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.page-about .about-case {
  display: block;
  padding: 16px 16px 18px;
  border: 1px solid #16325f;
  border-radius: 14px;
  background: #fff;
  text-decoration: none;
  color: inherit;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.page-about .about-case:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 44px rgba(20, 40, 80, 0.15);
}
.page-about .about-case h3 {
  margin: 0 0 6px;
  font-size: 15px;
  line-height: 1.45;
}
.page-about .about-case p {
  margin: 0;
  color: #8b97a8;
  font-size: 12px;
}
.page-about .about-more {
  margin: 18px 0 0;
  text-align: center;
}
.page-about .about-contact {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(240px, 0.7fr);
  gap: 16px;
  align-items: stretch;
}
.page-about .about-contact-main {
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  box-sizing: border-box;
  border: 1px solid #16325f;
  border-radius: 18px;
  padding: 22px 20px;
  background: #fff;
}
.page-about .about-contact-aside {
  display: flex;
  margin: 0;
  min-height: 0;
  height: 100%;
  overflow: hidden;
  border: 1px solid #16325f;
  border-radius: 18px;
  background: #fff;
  padding: 0;
}
.page-about .about-contact-aside img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  flex: 1 1 auto;
  object-fit: cover;
  object-position: center top;
}
.page-about .about-contact-main dl {
  margin: 0 0 18px;
}
.page-about .about-contact-main dl > div {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid #eef2f7;
}
.page-about .about-contact-main dl > div:last-child { border-bottom: 0; }
.page-about .about-contact-main dt {
  color: #8b97a8;
  font-size: 13px;
}
.page-about .about-contact-main dd {
  margin: 0;
  color: #1c2838;
  font-size: 15px;
  line-height: 1.7;
}
.page-about .about-contact-main .about-phones {
  white-space: nowrap;
  font-size: clamp(11px, 1.05vw, 13px);
  letter-spacing: -0.02em;
  line-height: 1.4;
  overflow-x: auto;
}
.page-about .about-contact-main a { color: #16325f; text-decoration: none; }
.page-about .about-contact-main a:hover { text-decoration: underline; }
.page-about .about-contact-main .sep {
  margin: 0 6px;
  color: #c5cedb;
}
@media (max-width: 1100px) {
  .page-about .about-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-about .about-intro,
  .page-about .about-biz,
  .page-about .about-modules,
  .page-about .about-security,
  .page-about .about-cases,
  .page-about .about-contact { grid-template-columns: 1fr; }
  .page-about .about-scenes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .page-about .about-stats { grid-template-columns: 1fr 1fr; padding: 12px; }
  .page-about .about-stat b { font-size: 24px; }
  .page-about .about-scenes,
  .page-about .about-cases { grid-template-columns: 1fr; }
  .page-about .about-contact-main dd a { display: inline-block; }
}
@media (prefers-reduced-motion: reduce) {
  .page-about .about-biz-card,
  .page-about .about-case { transition: none; }
  .page-about .about-biz-card:hover,
  .page-about .about-case:hover { transform: none; }
}

/* —— 发布专区 —— */
.publish-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.publish-filters button {
  height: 34px;
  padding: 0 14px;
  border: 1px solid #16325f;
  border-radius: 999px;
  background: #eef3ff;
  color: #16325f;
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
}
.publish-filters button.is-on {
  background: linear-gradient(180deg, #16325f, #0b1c36);
  color: #fff;
}
.publish-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.publish-card {
  overflow: hidden;
  border: 1px solid #16325f;
  border-radius: 18px;
  background: #fff;
}
.publish-cover {
  height: 180px;
  background: #eef3f8;
  overflow: hidden;
}
.publish-cover img,
.publish-cover-fallback {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.publish-cover-fallback {
  display: grid;
  place-items: center;
  color: #8b97a8;
  font-weight: 700;
}
.publish-body { padding: 16px 16px 18px; }
.publish-tag {
  display: inline-flex;
  height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: #eef3ff;
  color: #16325f;
  font-size: 12px;
  font-weight: 650;
  align-items: center;
}
.publish-body h3 {
  margin: 10px 0 6px;
  font-size: 18px;
  line-height: 1.4;
}
.publish-summary {
  margin: 0 0 12px;
  color: #8b97a8;
  font-size: 13px;
  line-height: 1.6;
  min-height: 1.6em;
}
.publish-content video {
  width: 100%;
  border-radius: 12px;
  background: #000;
}
.publish-content p {
  margin: 0;
  color: #526176;
  font-size: 14px;
  line-height: 1.75;
}
.publish-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 40px 16px;
  text-align: center;
  color: #8b97a8;
}
@media (max-width: 900px) {
  .publish-grid { grid-template-columns: 1fr; }
}