/* ==========================================================================
   源柏科技 / Oribyte Tech — Design System
  源柏科技：浅色技术底 + 蓝绿强调 + 轻量网格动效
   ========================================================================== */

:root {
  /* —— 主色（取自 Sonatus 色板） —— */
  --blue: #1677a5;
  --blue-ink: #115a7a;
  --navy: #173c53;
  --cyan: #168f91;
  --coral: #d46d4e;
  --red: #be4955;

  /* —— 深色底 —— */
  --bg-0: #f5f8fa;
  --bg-1: #eef4f6;
  --bg-2: #e5eff2;
  --bg-3: #dbe9ed;

  /* —— 深色描边 / 文本 —— */
  --line: rgba(23, 60, 83, 0.11);
  --line-strong: rgba(23, 60, 83, 0.2);
  --text: #203a49;
  --muted: #506a79;
  --muted-2: #718692;

  /* —— 浅色区块 —— */
  --paper: #ffffff;
  --paper-2: #f8fafb;
  --paper-3: #edf3f5;
  --line-light: rgba(23, 60, 83, 0.12);
  --ink: #173341;
  --muted-l: #506875;

  /* —— 渐变 —— */
  --grad-brand: linear-gradient(120deg, #1677a5 0%, #20a59b 100%);
  --grad-hero: linear-gradient(135deg, #edf5f7 0%, #f8fafb 72%);
  --grad-warm: linear-gradient(120deg, #d46d4e 0%, #be4955 100%);

  --accent-soft: rgba(22, 119, 165, 0.1);
  --glow: 0 24px 60px -30px rgba(22, 143, 145, 0.28);

  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 26px;
  --pill: 999px;

  --shadow: 0 28px 60px -38px rgba(20, 55, 74, 0.26);
  --shadow-soft: 0 18px 40px -28px rgba(20, 55, 74, 0.2);
  --container: min(1200px, 92vw);

  --font: "Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 72px;
}

body {
  margin: 0;
  background: var(--bg-0);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.72;
  letter-spacing: 0.002em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.is-zh { line-height: 1.78; }
body.is-zh h1, body.is-zh h2, body.is-zh h3 { letter-spacing: 0; }

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

h1, h2, h3, h4 { margin: 0; font-weight: 700; line-height: 1.2; letter-spacing: -0.015em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

::selection { background: rgba(32, 165, 155, 0.2); }

:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

/* ================================ 布局 ================================= */

.container { width: var(--container); margin-inline: auto; }
.section { position: relative; padding: clamp(68px, 8.5vw, 128px) 0; }
.section--tight { padding: clamp(48px, 5vw, 76px) 0; }
.section--alt { background: linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 100%); }
.section--navy { background: var(--grad-hero); color: var(--text); }
.section--light { background: var(--paper); color: var(--ink); }
.section--light h1, .section--light h2, .section--light h3, .section--light h4 { color: var(--ink); }
.section--light p, .section--light .lede { color: var(--muted-l); }
.section--paper { background: var(--paper-2); color: var(--ink); }
.section--paper h1, .section--paper h2, .section--paper h3, .section--paper h4 { color: var(--ink); }
.section--paper p, .section--paper .lede { color: var(--muted-l); }

.grid { display: grid; gap: 22px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--split { grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr); gap: clamp(32px, 5vw, 64px); align-items: center; }
.grid--split.reverse > :first-child { order: 2; }

/* ================================ 排版 ================================= */

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12.5px; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--cyan); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; border-radius: 2px; background: var(--grad-brand); }
.section--light .eyebrow, .section--paper .eyebrow { color: var(--blue); }

.h-xl { font-size: clamp(2.3rem, 5.4vw, 4.1rem); }
.h-lg { font-size: clamp(1.9rem, 3.7vw, 3rem); }
.h-md { font-size: clamp(1.25rem, 1.9vw, 1.6rem); }
.h-sm { font-size: 1.0625rem; }

.lede { font-size: clamp(1rem, 1.35vw, 1.15rem); color: var(--muted); max-width: 64ch; }
.section--light .lede, .section--paper .lede { color: var(--muted-l); }
.small { font-size: 0.875rem; }
.tiny { font-size: 0.8125rem; }
.mono { font-variant-numeric: tabular-nums; }

.text-grad {
  background: var(--grad-brand);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.text-coral { color: var(--coral); }

.section-head { max-width: 820px; margin-bottom: clamp(36px, 4.4vw, 60px); }
.section-head .lede { margin-top: 18px; }
.section-head--center { text-align: center; margin-inline: auto; }
.section-head--center .lede { margin-inline: auto; }
.center { text-align: center; }

/* ================================ 按钮 ================================= */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 24px; border-radius: var(--pill); border: 1px solid transparent;
  font-size: 0.9375rem; font-weight: 600; line-height: 1; cursor: pointer; white-space: nowrap;
  transition: transform .18s ease, box-shadow .24s ease, background .24s ease, border-color .24s ease, color .24s ease;
  position: relative; overflow: hidden;
}
.btn svg { width: 16px; height: 16px; }
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--grad-brand); color: #041024; box-shadow: 0 14px 34px -16px rgba(0, 113, 206, 0.85); }
.btn--primary:hover { box-shadow: 0 20px 40px -16px rgba(34, 211, 238, 0.9); }
.btn--ghost { border-color: var(--line-strong); color: var(--text); background: rgba(255, 255, 255, 0.72); }
.btn--ghost:hover { border-color: var(--cyan); color: var(--blue-ink); background: rgba(32, 165, 155, 0.08); }
.btn--warm { background: var(--grad-warm); color: #fff; box-shadow: 0 14px 34px -18px rgba(237, 28, 36, 0.8); }
.section--light .btn--ghost, .section--paper .btn--ghost { border-color: var(--line-light); color: var(--ink); background: #fff; }
.section--light .btn--ghost:hover, .section--paper .btn--ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

.link-arrow { display: inline-flex; align-items: center; gap: 7px; font-weight: 600; font-size: 0.9375rem; color: var(--cyan); }
.link-arrow svg { width: 15px; height: 15px; transition: transform .2s ease; }
.link-arrow:hover svg { transform: translateX(4px); }
.section--light .link-arrow, .section--paper .link-arrow { color: var(--blue); }

/* ================================ 导航 ================================= */

.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 120;
  background: rgba(248, 251, 252, 0.84);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease;
}
.site-header.is-scrolled { background: rgba(248, 251, 252, 0.97); border-bottom-color: var(--line); box-shadow: 0 8px 24px -20px rgba(23, 60, 83, 0.45); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 72px; padding-block: 0; }

.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; font-size: 1.0625rem; letter-spacing: 0.02em; }
.brand__mark { width: auto; height: 72px; object-fit: contain; flex: 0 0 auto; }
.brand__text { display: grid; line-height: 1.1; }
.brand__text small { font-size: 10px; font-weight: 600; letter-spacing: 0.24em; color: var(--muted-2); }

.nav__links { display: flex; align-items: center; gap: 2px; }
.nav__links a {
  padding: 9px 13px; border-radius: var(--pill); font-size: 0.9125rem; font-weight: 500;
  color: var(--muted); transition: color .2s ease, background .2s ease; white-space: nowrap;
}
.nav__links a:hover { color: var(--blue-ink); background: rgba(22, 119, 165, 0.07); }
.nav__links a.is-active { color: var(--blue-ink); background: rgba(22, 119, 165, 0.1); }
.nav__cta { display: flex; align-items: center; gap: 10px; }

.lang-switch {
  display: inline-flex; align-items: center; border: 1px solid var(--line-strong);
  border-radius: var(--pill); overflow: hidden; background: rgba(255, 255, 255, 0.78);
}
.lang-switch button {
  border: 0; background: transparent; color: var(--muted); cursor: pointer;
  padding: 7px 12px; font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.04em;
  transition: color .2s ease, background .2s ease;
}
.lang-switch button.is-active { background: var(--grad-brand); color: #041024; }

.nav__toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line-strong); border-radius: 12px; background: #fff; cursor: pointer; padding: 0; place-items: center; }
.nav__toggle span { display: block; width: 18px; height: 1.8px; background: var(--ink); border-radius: 2px; }
.nav__toggle span + span { margin-top: 4.5px; }

@media (max-width: 1080px) {
  .nav__toggle { display: grid; }
  .nav__links {
    position: absolute; top: 72px; left: 4vw; right: 4vw; flex-direction: column; align-items: stretch; gap: 4px;
    padding: 14px; border: 1px solid var(--line); border-radius: var(--radius);
    background: rgba(250, 252, 253, 0.99); box-shadow: var(--shadow); display: none;
  }
  .nav__links.is-open { display: flex; }
  .nav__links a { padding: 13px 14px; font-size: 1rem; }
  .nav__cta .btn--primary { display: none; }
}

/* ================================ Hero ================================= */

.hero {
  position: relative; overflow: hidden;
  padding: clamp(130px, 15vw, 190px) 0 clamp(72px, 8vw, 112px);
  background:
    linear-gradient(115deg, rgba(22, 119, 165, 0.07), transparent 48%),
    linear-gradient(295deg, rgba(32, 165, 155, 0.06), transparent 52%),
    var(--grad-hero);
}
.hero__glow {
  display: none;
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(23, 60, 83, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 60, 83, 0.045) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(120% 84% at 50% 0%, #000 26%, transparent 76%);
  -webkit-mask-image: radial-gradient(120% 84% at 50% 0%, #000 26%, transparent 76%);
  animation: grid-drift 36s linear infinite;
}
.hero > .container { position: relative; z-index: 2; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(90deg, transparent calc(var(--mx, 72%) - 1px), rgba(22, 119, 165, 0.09) var(--mx, 72%), transparent calc(var(--mx, 72%) + 1px)),
    linear-gradient(0deg, transparent calc(var(--my, 18%) - 1px), rgba(22, 119, 165, 0.09) var(--my, 18%), transparent calc(var(--my, 18%) + 1px));
  opacity: .38;
}
.hero { --mx: 72%; --my: 18%; }
.hero__inner { max-width: 940px; }
.hero__inner--wide { max-width: 100%; }
.hero .lede { margin-top: 22px; max-width: 68ch; }
.hero .btn-row { margin-top: 34px; }
@keyframes grid-drift { to { background-position: 62px 62px, 62px 62px; } }

.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr); gap: clamp(32px, 5vw, 60px); align-items: center; }
@media (max-width: 940px) { .hero-grid { grid-template-columns: 1fr; } }

.hero-visual { position: relative; }
.hero-visual img { width: 100%; border-radius: var(--radius-lg); border: 1px solid var(--line); box-shadow: var(--shadow); }
.hero-visual__frame {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.9), rgba(233, 243, 246, 0.82));
  padding: 18px;
}
.hero-visual__frame::before {
  content: ""; position: absolute; inset: 0; border-radius: var(--radius-lg);
  padding: 1px; background: var(--grad-brand); opacity: .4;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
.hero-visual__frame--plain { border: 0; border-radius: 0; background: transparent; padding: 0; }
.hero-visual__frame--plain::before { display: none; }
.hero-visual__frame--plain img { border: 0; border-radius: 0; box-shadow: none; }

.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.tag {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px;
  border: 1px solid var(--line); border-radius: var(--pill); background: rgba(255, 255, 255, 0.76);
  font-size: 0.8125rem; font-weight: 600; color: var(--muted);
}
.tag::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); }
.section--light .tag, .section--paper .tag { border-color: var(--line-light); background: #fff; color: var(--muted-l); }
.section--light .tag::before, .section--paper .tag::before { background: var(--blue); }

.badge-new {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px;
  border-radius: var(--pill); border: 1px solid rgba(22, 143, 145, 0.28);
  background: rgba(22, 143, 145, 0.08); color: #087b80;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 20px;
}
.badge-new--warm { border-color: rgba(236, 95, 60, 0.4); background: rgba(236, 95, 60, 0.12); color: var(--coral); }

/* =========================== 信任条 / 走马灯 ============================ */

.marquee { overflow: hidden; position: relative; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee__track { display: flex; gap: 56px; width: max-content; animation: scrollx 34s linear infinite; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item { font-size: 1.125rem; font-weight: 700; color: var(--muted-2); letter-spacing: 0.04em; white-space: nowrap; display: inline-flex; align-items: center; gap: 10px; }
.marquee__item i { font-style: normal; color: var(--cyan); font-size: 0.75rem; }
@keyframes scrollx { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee__track, .hero::after { animation: none; } }

.strip-label { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 22px; }
.section--light .strip-label, .section--paper .strip-label { color: var(--muted-l); }

/* ================================ 指标 ================================= */

.stats {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--line); overflow: hidden;
}
.stats__item { background: #fff; padding: 28px 26px; }
.stats__value { font-size: clamp(1.35rem, 2.2vw, 1.9rem); font-weight: 800; color: var(--ink); letter-spacing: -0.02em; }
.stats__value .u { font-size: 0.9rem; color: var(--cyan); font-weight: 700; margin-left: 3px; }
.stats__label { margin-top: 8px; font-size: 0.8125rem; color: var(--muted-2); }
.section--light .stats, .section--paper .stats { background: var(--line-light); border-color: var(--line-light); }
.section--light .stats__item, .section--paper .stats__item { background: #fff; }
.section--light .stats__value, .section--paper .stats__value { color: var(--ink); }
.section--light .stats__label, .section--paper .stats__label { color: var(--muted-l); }

/* ================================ 卡片 ================================= */

.card {
  display: block; position: relative; padding: 28px 26px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, #fff 0%, #f9fbfc 100%);
  transition: transform .26s ease, border-color .26s ease, box-shadow .26s ease; overflow: hidden;
}
.card:hover { transform: translateY(-5px); border-color: rgba(22, 143, 145, 0.42); box-shadow: var(--shadow); }
.card h3 { font-size: 1.0625rem; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 0.9375rem; }
.card--flat { background: var(--paper-2); }

.card__icon {
  width: 48px; height: 48px; border-radius: 14px; border: 1px solid rgba(34, 211, 238, 0.32);
  background: var(--accent-soft); display: grid; place-items: center; margin-bottom: 20px; color: var(--cyan);
}
.card__icon svg { width: 23px; height: 23px; }
.card__num { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.16em; color: var(--cyan); margin-bottom: 16px; text-transform: uppercase; }

.card--media { padding: 0; display: flex; flex-direction: column; }
.card--media .card__thumb { aspect-ratio: 16 / 10; background: linear-gradient(160deg, #e5f0f3, #f9fbfc); display: grid; place-items: center; border-bottom: 1px solid var(--line); overflow: hidden; }
.card--media .card__thumb img { width: 74%; height: auto; object-fit: contain; }
.card--media .card__body { padding: 24px 24px 26px; }

.section--light .card, .section--paper .card { background: #fff; border-color: var(--line-light); box-shadow: var(--shadow-soft); }
.section--light .card p, .section--paper .card p { color: var(--muted-l); }
.section--light .card:hover, .section--paper .card:hover { border-color: rgba(0, 113, 206, 0.5); }
.section--light .card__num, .section--paper .card__num { color: var(--blue); }
.section--light .card__icon, .section--paper .card__icon { color: var(--blue); border-color: rgba(0, 113, 206, 0.3); background: rgba(0, 113, 206, 0.08); }

/* 大业务卡 */
.biz-card { display: grid; gap: 20px; padding: 34px 32px; }
.biz-card__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.biz-card ul { display: grid; gap: 10px; }
.biz-card li { display: flex; gap: 11px; font-size: 0.9375rem; color: var(--muted); }
.biz-card li::before { content: ""; flex: 0 0 auto; width: 6px; height: 6px; margin-top: 11px; border-radius: 50%; background: var(--cyan); }
.section--light .biz-card li, .section--paper .biz-card li { color: var(--muted-l); }

/* 能力 / 特性卡（带顶部渐变条） */
.pillar { position: relative; padding: 30px 28px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(180deg, #fff, #f9fbfc); transition: transform .26s ease, border-color .26s ease; }
.pillar::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; border-radius: var(--radius) var(--radius) 0 0; background: var(--grad-brand); opacity: .85; }
.pillar:hover { transform: translateY(-5px); border-color: rgba(22, 143, 145, 0.42); }
.pillar__icon { width: 52px; height: 52px; border-radius: 15px; display: grid; place-items: center; background: rgba(0, 113, 206, 0.14); border: 1px solid rgba(34, 211, 238, 0.28); color: var(--cyan); margin-bottom: 20px; }
.pillar__icon svg { width: 26px; height: 26px; }
.pillar h3 { font-size: 1.15rem; margin-bottom: 10px; }
.pillar p { color: var(--muted); font-size: 0.9375rem; }
.section--light .pillar, .section--paper .pillar { background: #fff; border-color: var(--line-light); box-shadow: var(--shadow-soft); }
.section--light .pillar p, .section--paper .pillar p { color: var(--muted-l); }
.section--light .pillar__icon, .section--paper .pillar__icon { color: var(--blue); background: rgba(0, 113, 206, 0.08); border-color: rgba(0, 113, 206, 0.28); }

/* 勾选清单 */
.checklist { display: grid; gap: 13px; }
.checklist li { display: flex; gap: 12px; align-items: flex-start; font-size: 0.95rem; color: var(--muted); }
.checklist li svg { flex: 0 0 auto; width: 19px; height: 19px; margin-top: 4px; color: var(--cyan); }
.section--light .checklist li, .section--paper .checklist li { color: var(--muted-l); }
.section--light .checklist li svg, .section--paper .checklist li svg { color: var(--blue); }

/* ============================= 流程 / 步骤 ============================= */

.flow { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; }
.flow__step { position: relative; padding: 24px 18px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; }
.flow__step::after { content: ""; position: absolute; top: 50%; right: -14px; width: 14px; height: 1px; background: var(--line-strong); }
.flow__step:last-child::after { display: none; }
.flow__idx { font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.16em; color: var(--cyan); }
.flow__name { margin-top: 8px; font-weight: 700; font-size: 0.9375rem; color: var(--ink); }
.flow__desc { margin-top: 6px; font-size: 0.8125rem; color: var(--muted-2); line-height: 1.6; }
.section--light .flow__step, .section--paper .flow__step { background: #fff; border-color: var(--line-light); }
.section--light .flow__name, .section--paper .flow__name { color: var(--ink); }
.section--light .flow__idx, .section--paper .flow__idx { color: var(--blue); }
@media (max-width: 1080px) { .flow { grid-template-columns: repeat(3, minmax(0, 1fr)); } .flow__step:nth-child(3n)::after { display: none; } }
@media (max-width: 640px) { .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); } .flow__step::after { display: none; } }

/* ================================ 表格 ================================= */

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
.table-wrap--compact { overflow: hidden; }
.table-wrap--compact table { min-width: 0; table-layout: fixed; }
.table-wrap--compact th, .table-wrap--compact td { padding: 12px 14px; white-space: normal; overflow-wrap: anywhere; word-break: break-word; }
.table-wrap--compact th:first-child, .table-wrap--compact td:first-child { width: 30%; }
thead th { text-align: left; padding: 16px 20px; font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted-2); border-bottom: 1px solid var(--line); font-weight: 700; white-space: nowrap; }
tbody td { padding: 16px 20px; border-bottom: 1px solid var(--line); font-size: 0.9375rem; color: var(--muted); }
tbody tr:last-child td { border-bottom: 0; }
tbody td strong { color: var(--ink); font-weight: 600; }
tbody tr:hover td { background: rgba(0, 113, 206, 0.08); }
.section--light .table-wrap, .section--paper .table-wrap { background: #fff; border-color: var(--line-light); }
.section--light thead th, .section--paper thead th { border-color: var(--line-light); color: var(--muted-l); }
.section--light tbody td, .section--paper tbody td { border-color: var(--line-light); color: var(--muted-l); }
.section--light tbody td strong, .section--paper tbody td strong { color: var(--ink); }

/* ============================== 客户 / Logo ============================ */

.logo-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--line); overflow: hidden; }
.logo-strip__item { background: #fff; padding: 26px 22px; display: grid; place-items: center; gap: 6px; text-align: center; }
.logo-strip__name { font-size: 1.0625rem; font-weight: 700; color: var(--ink); letter-spacing: 0.02em; }
.logo-strip__meta { font-size: 0.75rem; color: var(--muted-2); letter-spacing: 0.06em; }

/* =============================== 引言 ================================= */

.quote { position: relative; padding: 34px 34px 30px 42px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; }
.quote::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--grad-brand); }
.quote p { font-size: clamp(1.05rem, 1.6vw, 1.28rem); color: var(--ink); font-weight: 500; line-height: 1.7; }
.quote footer { margin-top: 18px; font-size: 0.8125rem; color: var(--muted-2); }
.section--light .quote, .section--paper .quote { background: #fff; border-color: var(--line-light); }
.section--light .quote p, .section--paper .quote p { color: var(--ink); }

/* ================================ CTA ================================= */

.cta-band {
  position: relative; overflow: hidden; padding: clamp(56px, 7vw, 94px) clamp(28px, 4.5vw, 68px);
  border: 1px solid rgba(22, 143, 145, 0.18); border-radius: var(--radius-lg);
  background:
    linear-gradient(115deg, rgba(22, 119, 165, 0.1), transparent 50%),
    linear-gradient(295deg, rgba(32, 165, 155, 0.1), transparent 54%),
    #f6fafb;
  color: var(--ink);
  text-align: center;
}
.cta-band h2 { font-size: clamp(1.6rem, 3.1vw, 2.5rem); }
.cta-band .lede { margin: 18px auto 0; }
.cta-band .btn-row { justify-content: center; margin-top: 32px; }

/* ================================ 表单 ================================= */

.form { display: grid; gap: 18px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 0.8125rem; font-weight: 600; color: var(--muted); letter-spacing: 0.04em; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  background: #fff; color: var(--ink); font: inherit; font-size: 0.9375rem;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field textarea { min-height: 132px; resize: vertical; }
.field select option { background: #fff; color: var(--ink); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0, 113, 206, 0.22); }
.field input::placeholder, .field textarea::placeholder { color: var(--muted-2); }
.form__note { font-size: 0.8125rem; color: var(--muted-2); }
.form__ok { display: none; padding: 14px 16px; border-radius: var(--radius-sm); border: 1px solid rgba(22, 143, 145, 0.3); background: rgba(22, 143, 145, 0.08); color: #087b80; font-size: 0.9rem; }
.form__ok.is-visible { display: block; }

.contact-list { display: grid; gap: 1px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--line); overflow: hidden; }
.contact-list li { background: #fff; padding: 20px 22px; display: grid; gap: 5px; }
.contact-list .k { font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted-2); font-weight: 700; }
.contact-list .v { font-size: 0.95rem; color: var(--ink); }
.contact-stack { display: grid; gap: clamp(28px, 4vw, 52px); }
.contact-panel { padding: clamp(26px, 3.2vw, 42px); border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-soft); }
.contact-panel--details { background: linear-gradient(150deg, #f5faf9 0%, #fff 62%); }
.contact-panel .contact-list { margin-top: 24px; }
.contact-panel .address-visual { margin-top: 24px; }
.contact-map { margin-top: 24px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow-soft); }
.contact-map img { display: block; width: 100%; aspect-ratio: 2.14; object-fit: cover; }

/* ================================ 页脚 ================================= */

.site-footer { background: #edf3f5; border-top: 1px solid var(--line); padding: clamp(52px, 6vw, 80px) 0 32px; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 0.85fr)); gap: 40px; }
.footer-brand p { color: var(--muted-2); font-size: 0.875rem; margin-top: 16px; max-width: 36ch; }
.footer-col h4 { font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 16px; }
.footer-col a { display: block; padding: 5px 0; font-size: 0.9rem; color: var(--muted); transition: color .2s ease; }
.footer-col a:hover { color: var(--blue-ink); }
.footer-bottom { margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; font-size: 0.8125rem; color: var(--muted-2); }

/* ============================== 滚动动效 ============================== */

html:not(.js) .reveal, html:not(.js) .reveal > * { opacity: 1; transform: none; transition: none; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s cubic-bezier(.22, .61, .36, 1); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }
.reveal[data-delay="5"] { transition-delay: .4s; }
.reveal > * { opacity: 0; transform: translateY(12px); transition: opacity .55s ease, transform .55s cubic-bezier(.22, .61, .36, 1); }
.reveal.is-visible > * { opacity: 1; transform: none; }
.reveal.is-visible > :nth-child(2) { transition-delay: .07s; }
.reveal.is-visible > :nth-child(3) { transition-delay: .14s; }
.reveal.is-visible > :nth-child(4) { transition-delay: .21s; }
.reveal.is-visible > :nth-child(5) { transition-delay: .28s; }
.reveal.is-visible > :nth-child(6) { transition-delay: .35s; }
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal > * { opacity: 1; transform: none; transition: none; }
  .hero::after { animation: none; }
  html { scroll-behavior: auto; }
}

/* =============================== 工具类 =============================== */

.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; } .mt-32 { margin-top: 32px; } .mt-48 { margin-top: 48px; } .mt-64 { margin-top: 64px; }
.mb-8 { margin-bottom: 8px; } .mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; } .mb-32 { margin-bottom: 32px; }
.stack { display: grid; gap: 18px; }
.rel { position: relative; }
.note { padding: 16px 18px; border: 1px dashed var(--line-strong); border-radius: var(--radius-sm); font-size: 0.8125rem; color: var(--muted-2); }

.location-map { margin: 24px 0 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow-soft); }
.location-map img { width: 100%; aspect-ratio: 1.86; object-fit: cover; }
.location-map figcaption { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 16px; padding: 12px 16px; color: var(--muted-l); font-size: 0.75rem; }
.location-map figcaption span:last-child { color: var(--blue-ink); font-weight: 700; }
.address-visual { margin: 24px 0 0; overflow: visible; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.address-visual img { width: 100%; aspect-ratio: 1.86; object-fit: contain; border: 0; border-radius: var(--radius); box-shadow: var(--shadow-soft); background: var(--paper-2); }
.address-visual figcaption { padding: 12px 16px; color: var(--muted-l); font-size: 0.75rem; }
.footer-records { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted-l); font-size: 0.78rem; }
.footer-records a { transition: color .2s ease; }
.footer-records a:hover { color: var(--blue-ink); text-decoration: underline; text-underline-offset: 3px; }

/* =============================== 响应式 =============================== */

@media (max-width: 1080px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--split { grid-template-columns: 1fr; gap: 40px; }
  .grid--split.reverse > :first-child { order: 0; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  body { font-size: 15.5px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-records { flex-direction: column; gap: 8px; }
  .biz-card { padding: 26px 22px; }
  .card { padding: 24px 20px; }
  .card--media { padding: 0; }
  .contact-panel { padding: 24px 20px; }
}
