/* ==========================================================
   墨衍健康 · 官网样式
   设计语言参考 risehr.zhzchrcloud.com：
   深海军蓝底 + 青蓝点缀 + 珊瑚红强调，英文小标签、编号卡片、大留白
   ========================================================== */

:root {
  --navy-950: #031b2d;
  --navy-900: #061f34;
  --navy-800: #082f4f;
  --navy-700: #0d3d61;
  --cyan: #73d3e8;
  --cyan-soft: #a9e5f2;
  --coral: #cc4a40;
  --coral-light: #f28d76;
  --cream: #f7f9f9;
  --cream-2: #f1f4f3;
  --cream-3: #e9eff1;
  --ink: #0b2436;
  --ink-2: #2c4557;
  --muted: #6b7f8d;
  --line: #dfe7ea;
  --white: #ffffff;
  --radius: 6px;
  --shadow: 0 18px 46px rgba(3, 27, 45, .09);
  --shadow-dark: 0 22px 60px rgba(0, 0, 0, .28);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
img, svg { display: block; }
button { font: inherit; cursor: pointer; }
::selection { background: var(--cyan); color: var(--navy-950); }

.container { width: min(1200px, calc(100% - 64px)); margin: 0 auto; }
.only-desktop { display: inline; }

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 50px; padding: 0 28px; border-radius: 3px;
  font-size: 15px; font-weight: 600; letter-spacing: .02em;
  transition: transform .28s var(--ease), background .28s, color .28s, border-color .28s, box-shadow .28s;
  white-space: nowrap;
}
.btn span { font-size: 17px; transition: transform .28s var(--ease); }
.btn:hover { transform: translateY(-2px); }
.btn:hover span { transform: translateX(4px); }
.btn--coral { background: var(--coral); color: #fff; border: 1px solid var(--coral); }
.btn--coral:hover { background: #b53e35; box-shadow: 0 12px 28px rgba(204, 74, 64, .3); }
.btn--outline { height: 40px; padding: 0 20px; font-size: 14px; color: var(--navy-900); border: 1px solid rgba(11, 36, 54, .28); }
.btn--outline:hover { border-color: var(--coral); color: var(--coral); }
.btn--ghost { color: #fff; border: 1px solid rgba(255, 255, 255, .38); background: rgba(255, 255, 255, .04); }
.btn--ghost:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }

/* ---------- 通用标题 ---------- */
.eyebrow {
  display: flex; align-items: center; gap: 12px;
  font-size: 11px; font-weight: 700; letter-spacing: .2em;
  color: var(--coral); text-transform: uppercase; margin-bottom: 24px;
}
.eyebrow-line { display: block; width: 28px; height: 1px; background: currentColor; }
.eyebrow--light { color: var(--cyan); }
.h2 {
  font-size: clamp(30px, 3.4vw, 46px); line-height: 1.32;
  font-weight: 750; letter-spacing: -.015em; color: var(--ink);
}
.h2--light { color: #fff; }
.hl { color: var(--coral); position: relative; }
.h2--light .hl { color: var(--cyan); }
.lead { font-size: 16px; color: var(--ink-2); line-height: 1.95; margin-top: 26px; max-width: 560px; }
.section-head-desc { font-size: 15px; color: var(--muted); line-height: 1.95; max-width: 420px; }
.text-link {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 22px;
  font-size: 14px; font-weight: 650; color: var(--coral); border-bottom: 1px solid rgba(204, 74, 64, .35); padding-bottom: 4px;
}
.text-link:hover span { transform: translateX(4px); }
.text-link span { transition: transform .25s; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: 76px; display: flex; align-items: center;
  background: transparent; border-bottom: 1px solid rgba(255, 255, 255, .12);
  transition: background .35s, box-shadow .35s, height .35s, border-color .35s;
}
.site-header.is-scrolled {
  height: 66px; background: rgba(255, 255, 255, .97);
  border-bottom-color: var(--line); box-shadow: 0 6px 24px rgba(3, 27, 45, .07);
  backdrop-filter: blur(12px);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: #fff; }
.brand-mark { width: 34px; height: 34px; color: var(--cyan); flex: none; }
.brand-mark svg { width: 100%; height: 100%; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 19px; font-weight: 750; letter-spacing: .06em; }
.brand-text small { font-size: 9px; letter-spacing: .22em; opacity: .62; margin-top: 3px; }
.site-header.is-scrolled .brand { color: var(--navy-900); }
.site-header.is-scrolled .brand-mark { color: var(--coral); }
.site-header.is-scrolled .brand-text small { opacity: .55; }

.nav { display: flex; align-items: center; gap: 30px; margin-left: auto; }
.nav-link {
  position: relative; font-size: 14px; font-weight: 550; color: rgba(255, 255, 255, .82);
  padding: 8px 0; transition: color .25s;
}
.nav-link::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
  background: var(--cyan); transition: width .3s var(--ease);
}
.nav-link:hover, .nav-link.is-active { color: #fff; }
.nav-link.is-active::after { width: 100%; }
.site-header.is-scrolled .nav-link { color: var(--ink-2); }
.site-header.is-scrolled .nav-link:hover,
.site-header.is-scrolled .nav-link.is-active { color: var(--coral); }
.site-header.is-scrolled .nav-link::after { background: var(--coral); }
.site-header.is-scrolled .btn--outline { color: var(--coral); border-color: rgba(204, 74, 64, .45); }
.header-cta { color: #fff; border-color: rgba(255, 255, 255, .42); flex: none; }
.nav-toggle { display: none; width: 40px; height: 40px; border: 0; background: none; padding: 9px; }
.nav-toggle span { display: block; height: 2px; background: #fff; margin: 5px 0; transition: transform .3s, opacity .3s; }
.site-header.is-scrolled .nav-toggle span { background: var(--navy-900); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 780px; background: var(--navy-950); overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 620px at 82% 30%, rgba(13, 61, 97, .72), transparent 68%),
    radial-gradient(700px 520px at 8% 88%, rgba(8, 47, 79, .55), transparent 70%),
    linear-gradient(155deg, #031b2d 0%, #061f34 58%, #082f4f 100%);
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0; opacity: .16;
  background-image: linear-gradient(rgba(115, 211, 232, .16) 1px, transparent 1px), linear-gradient(90deg, rgba(115, 211, 232, .16) 1px, transparent 1px);
  background-size: 78px 78px;
  mask-image: linear-gradient(180deg, transparent, #000 40%, transparent 92%);
}
.hero-inner {
  position: relative; z-index: 2; min-height: 780px;
  display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 60px;
  padding-top: 110px; padding-bottom: 90px;
}
.hero-copy { color: #fff; }
.hero-title {
  font-size: clamp(42px, 5.2vw, 70px); line-height: 1.18; font-weight: 780;
  letter-spacing: -.025em; margin-bottom: 28px;
}
.hero-title em { font-style: normal; color: var(--cyan); }
.hero-desc { font-size: 16px; line-height: 2; color: rgba(255, 255, 255, .72); max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 52px; padding-top: 26px; border-top: 1px solid rgba(255, 255, 255, .14); }
.hero-points li { display: flex; align-items: center; gap: 9px; font-size: 13px; color: rgba(255, 255, 255, .66); }
.dot { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(115, 211, 232, .14); }

/* 手机示意 */
.hero-visual { position: relative; display: flex; justify-content: center; align-items: center; }
.phone {
  position: relative; width: 306px; height: 596px; border-radius: 38px;
  background: #0a2a42; padding: 11px;
  border: 1px solid rgba(115, 211, 232, .28);
  box-shadow: 0 40px 90px rgba(0, 0, 0, .48), 0 0 0 1px rgba(255, 255, 255, .05) inset;
  transform: rotate(-2deg);
}
.phone-notch { position: absolute; top: 15px; left: 50%; transform: translateX(-50%); width: 88px; height: 18px; border-radius: 0 0 12px 12px; background: #0a2a42; z-index: 2; }
.phone-screen {
  height: 100%; border-radius: 28px; background: var(--cream);
  padding: 34px 16px 16px; overflow: hidden; color: var(--ink);
}
.app-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 16px; }
.app-head span:first-child { font-size: 15px; font-weight: 750; }
.app-head-date { font-size: 10px; color: var(--muted); }
.app-card { background: #fff; border-radius: 12px; padding: 15px; box-shadow: 0 8px 22px rgba(3, 27, 45, .07); }
.app-card-label { font-size: 10px; color: var(--muted); }
.kcal-row { display: flex; align-items: baseline; gap: 6px; margin: 4px 0 10px; }
.kcal-row strong { font-size: 30px; font-weight: 780; letter-spacing: -.03em; color: var(--navy-900); }
.kcal-row span { font-size: 11px; color: var(--muted); }
.progress { height: 6px; border-radius: 6px; background: var(--cream-3); overflow: hidden; }
.progress i { display: block; height: 100%; border-radius: 6px; background: linear-gradient(90deg, var(--cyan), #3aa9c9); }
.kcal-foot { display: flex; justify-content: space-between; font-size: 10px; color: var(--muted); margin-top: 8px; }
.kcal-foot .good { color: #2e8b6f; font-weight: 650; }
.app-section-title { display: flex; justify-content: space-between; align-items: baseline; font-size: 12px; font-weight: 700; margin: 18px 0 9px; }
.app-section-title span { font-size: 10px; font-weight: 400; color: var(--muted); }
.meal-list { display: grid; gap: 7px; }
.meal-row { display: flex; align-items: center; gap: 10px; background: #fff; border-radius: 9px; padding: 8px 10px; box-shadow: 0 4px 12px rgba(3, 27, 45, .045); }
.meal-ic { width: 25px; height: 25px; border-radius: 7px; display: grid; place-items: center; font-size: 11px; font-weight: 700; flex: none; }
.meal-ic--am { background: #fdeee4; color: #c9702f; }
.meal-ic--noon { background: #e4f4ed; color: #2e8b6f; }
.meal-ic--pm { background: #e6eff7; color: #31689a; }
.meal-row div { flex: 1; min-width: 0; }
.meal-row b { display: block; font-size: 11px; }
.meal-row small { display: block; font-size: 9px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.meal-row em { font-style: normal; font-size: 10px; font-weight: 700; color: var(--ink-2); }
.chart { background: #fff; border-radius: 12px; padding: 10px 12px 8px; box-shadow: 0 8px 22px rgba(3, 27, 45, .06); }
.chart svg { width: 100%; height: 62px; }
.chart-legend { display: flex; justify-content: space-between; font-size: 10px; color: var(--muted); margin-top: 4px; }
.chart-legend span:first-child { font-weight: 750; font-size: 12px; color: var(--navy-900); }
.chart-legend .down { color: #2e8b6f; }
.float-tag {
  position: absolute; z-index: 3; font-size: 11px; font-weight: 600;
  color: var(--navy-900); background: #fff; border-radius: 4px;
  padding: 9px 14px; box-shadow: var(--shadow-dark); white-space: nowrap;
}
.float-tag--top { top: 8%; right: -2px; }
.float-tag--bottom { bottom: 10%; left: -12px; }
.float-tag--bottom::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--coral); margin-right: 8px; vertical-align: 2px; }

.hero-scroll { position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.hero-scroll span { font-size: 9px; letter-spacing: .28em; color: rgba(255, 255, 255, .42); }
.hero-scroll i { display: block; width: 1px; height: 32px; background: linear-gradient(var(--cyan), transparent); }

/* ---------- Section 通用 ---------- */
.section { padding: 108px 0; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 60px; margin-bottom: 56px; }
.section--intro { background: var(--white); }
.section--audience { background: var(--navy-900); }
.section--services { background: var(--cream); }
.section--stories { background: var(--white); }
.section--capabilities { background: var(--navy-950); }
.section--compliance { background: var(--cream-2); }

/* ---------- 理念 + 数据 ---------- */
.intro-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 90px; align-items: start; }
.intro-right { display: grid; gap: 22px; padding-top: 12px; }
.belief { display: flex; gap: 22px; padding: 26px 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: box-shadow .3s, transform .3s, border-color .3s; }
.belief:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: #c9dbe2; }
.belief-num { font-size: 30px; font-weight: 780; color: var(--cyan); line-height: 1; flex: none; letter-spacing: -.04em; }
.belief h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.belief p { font-size: 14px; color: var(--muted); line-height: 1.9; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 88px; border-top: 1px solid var(--line); }
.stat { padding: 38px 26px 0 0; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat:not(:first-child) { padding-left: 30px; }
.stat strong { font-size: 54px; font-weight: 780; line-height: 1; letter-spacing: -.05em; color: var(--navy-900); }
.stat-unit { display: inline-block; margin-left: 8px; font-size: 13px; font-weight: 650; color: var(--coral); }
.stat p { font-size: 13px; color: var(--muted); line-height: 1.9; margin-top: 18px; }

/* ---------- 适用人群 ---------- */
.section--audience .section-head-desc { color: rgba(255, 255, 255, .62); }
.audience-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.audience-card {
  position: relative; display: flex; flex-direction: column; min-height: 268px;
  padding: 30px 26px 26px; color: #fff;
  background: rgba(255, 255, 255, .045); border: 1px solid rgba(115, 211, 232, .17);
  border-radius: var(--radius); overflow: hidden;
  transition: background .35s, transform .35s var(--ease), border-color .35s;
}
.audience-card::before { content: ""; position: absolute; inset: auto 0 0 0; height: 2px; background: var(--cyan); transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease); }
.audience-card:hover { background: rgba(115, 211, 232, .1); transform: translateY(-5px); border-color: rgba(115, 211, 232, .45); }
.audience-card:hover::before { transform: scaleX(1); }
.audience-idx { font-size: 12px; font-weight: 700; letter-spacing: .12em; color: var(--cyan); }
.audience-card h3 { font-size: 21px; font-weight: 720; margin: 26px 0 12px; }
.audience-card p { font-size: 13px; line-height: 1.9; color: rgba(255, 255, 255, .6); }
.audience-go { margin-top: auto; padding-top: 22px; font-size: 12px; color: var(--cyan-soft); display: flex; align-items: center; gap: 8px; }
.audience-go i { font-style: normal; transition: transform .3s; }
.audience-card:hover .audience-go i { transform: translateX(5px); }
.audience-note { margin-top: 30px; font-size: 12px; color: rgba(255, 255, 255, .42); text-align: center; }

/* ---------- 产品服务 ---------- */
.section-head-right { display: flex; flex-direction: column; align-items: flex-start; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service-card {
  position: relative; min-height: 252px; padding: 30px 28px 28px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform .35s var(--ease), box-shadow .35s, border-color .35s;
}
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: #c9dbe2; }
.service-num { position: absolute; top: 24px; right: 26px; font-size: 13px; font-weight: 700; color: #cddbe1; letter-spacing: .08em; }
.service-card:hover .service-num { color: var(--coral); }
.service-icon { width: 42px; height: 42px; color: var(--navy-800); border: 1px solid var(--line); border-radius: 9px; display: grid; place-items: center; margin-bottom: 24px; transition: background .3s, color .3s, border-color .3s; }
.service-icon svg { width: 22px; height: 22px; }
.service-card:hover .service-icon { background: var(--navy-800); border-color: var(--navy-800); color: var(--cyan); }
.service-card h3 { font-size: 19px; font-weight: 720; }
.service-en { display: block; margin: 5px 0 14px; font-size: 10px; letter-spacing: .18em; color: var(--coral); font-weight: 700; }
.service-card p { font-size: 13.5px; line-height: 1.9; color: var(--muted); }
.service-card--wide { grid-column: span 3; min-height: auto; display: flex; align-items: center; gap: 30px; }
.service-card--wide .service-icon { margin-bottom: 0; flex: none; width: 52px; height: 52px; }
.service-card--wide .service-num { top: 50%; transform: translateY(-50%); }
.service-card--wide-body { flex: 1; padding-right: 60px; }
.service-card--wide-body h3 { display: flex; align-items: baseline; gap: 14px; }
.service-card--wide-body .service-en { display: inline; margin: 0; }
.service-card--wide-body p { margin-top: 8px; }

/* ---------- 使用场景 ---------- */
.story-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.story-card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; transition: box-shadow .35s, transform .35s var(--ease); }
.story-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.story-visual { position: relative; height: 210px; overflow: hidden; }
.story-visual--meal { background: radial-gradient(420px 220px at 50% 110%, #0d3d61, #031b2d); display: grid; place-items: center; }
.story-plate { width: 150px; height: 150px; border-radius: 50%; background: radial-gradient(circle at 38% 34%, #f6f1e9, #dfe7e3); box-shadow: 0 20px 50px rgba(0, 0, 0, .4), inset 0 0 0 10px rgba(255, 255, 255, .55); position: relative; }
.story-plate span { position: absolute; width: 74px; height: 74px; border-radius: 50%; top: 38px; left: 38px; background: conic-gradient(from 20deg, #e4b26f, #b8cf9a, #e4b26f, #cfe0c0, #e4b26f); box-shadow: inset 0 0 0 6px rgba(255, 255, 255, .35); }
.story-visual--trend { background: linear-gradient(160deg, #082f4f, #031b2d); padding: 34px 26px; }
.story-visual--trend svg { width: 100%; height: 100%; }
.story-photo-tag { position: absolute; right: 16px; bottom: 14px; font-size: 10px; letter-spacing: .06em; color: #fff; background: rgba(3, 27, 45, .6); border: 1px solid rgba(255, 255, 255, .2); border-radius: 3px; padding: 5px 10px; backdrop-filter: blur(4px); }
.story-body { padding: 30px 32px 34px; }
.story-kicker { font-size: 11px; font-weight: 700; letter-spacing: .14em; color: var(--coral); margin-bottom: 14px; }
.story-body h3 { font-size: 21px; font-weight: 720; line-height: 1.55; margin-bottom: 12px; }
.story-body > p:not(.story-kicker) { font-size: 14px; color: var(--muted); line-height: 1.95; }
.story-metrics { display: flex; gap: 0; margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); }
.story-metrics div { flex: 1; border-right: 1px solid var(--line); padding-right: 14px; }
.story-metrics div:last-child { border-right: 0; }
.story-metrics div:not(:first-child) { padding-left: 18px; }
.story-metrics strong { display: block; font-size: 22px; font-weight: 760; color: var(--navy-900); line-height: 1.2; }
.story-metrics span { font-size: 11px; color: var(--muted); }

/* ---------- 十二项能力 ---------- */
.cap-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 80px; align-items: start; }
.cap-left .section-head-desc { color: rgba(255, 255, 255, .6); margin-top: 24px; }
.cap-big { display: flex; align-items: flex-end; gap: 18px; margin-top: 56px; padding-top: 30px; border-top: 1px solid rgba(255, 255, 255, .13); }
.cap-big strong { font-size: 104px; line-height: .85; font-weight: 780; letter-spacing: -.07em; color: var(--cyan); }
.cap-big span { font-size: 10px; letter-spacing: .18em; line-height: 1.8; color: rgba(255, 255, 255, .45); padding-bottom: 8px; }
.cap-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: rgba(115, 211, 232, .14); border: 1px solid rgba(115, 211, 232, .14); }
.cap-item { background: var(--navy-950); padding: 22px 24px; display: grid; grid-template-columns: 34px 1fr; column-gap: 14px; align-items: baseline; transition: background .3s; }
.cap-item:hover { background: var(--navy-900); }
.cap-item > span { grid-row: span 2; font-size: 12px; font-weight: 700; color: var(--coral-light); letter-spacing: .05em; }
.cap-item b { font-size: 14.5px; font-weight: 680; color: #fff; }
.cap-item small { font-size: 11.5px; color: rgba(255, 255, 255, .48); line-height: 1.7; margin-top: 4px; }

/* ---------- 安全合规 ---------- */
.compliance-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.compliance-card { position: relative; background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--navy-800); border-radius: var(--radius); padding: 32px 26px 28px; min-height: 250px; transition: transform .35s var(--ease), box-shadow .35s, border-top-color .35s; }
.compliance-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-top-color: var(--coral); }
.compliance-idx { font-size: 12px; font-weight: 700; color: var(--coral); letter-spacing: .12em; }
.compliance-card h3 { font-size: 18px; font-weight: 720; margin: 22px 0 12px; }
.compliance-card p { font-size: 13px; color: var(--muted); line-height: 1.9; }
.compliance-tag { position: absolute; bottom: 22px; left: 26px; font-size: 9px; letter-spacing: .18em; color: #a8bac4; font-weight: 700; }

/* ---------- CTA ---------- */
.cta { position: relative; background: linear-gradient(140deg, #061f34 0%, #082f4f 62%, #0d3d61 100%); overflow: hidden; }
.cta::before { content: ""; position: absolute; width: 520px; height: 520px; border: 1px solid rgba(115, 211, 232, .14); border-radius: 50%; right: -160px; top: -220px; }
.cta::after { content: ""; position: absolute; width: 340px; height: 340px; border: 1px solid rgba(115, 211, 232, .1); border-radius: 50%; right: -60px; top: -120px; }
.cta-inner { position: relative; z-index: 2; text-align: center; padding: 96px 0 88px; color: #fff; }
.cta-inner .eyebrow { justify-content: center; }
.cta-inner h2 { font-size: clamp(30px, 3.6vw, 48px); font-weight: 760; letter-spacing: -.02em; }
.cta-inner > p:not(.eyebrow) { font-size: 15px; color: rgba(255, 255, 255, .66); margin-top: 20px; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.cta-contact { display: flex; justify-content: center; flex-wrap: wrap; gap: 30px; margin-top: 46px; padding-top: 26px; border-top: 1px solid rgba(255, 255, 255, .14); font-size: 12px; color: rgba(255, 255, 255, .45); }

/* ---------- Footer ---------- */
.site-footer { background: #021624; color: #fff; padding: 66px 0 0; }
.footer-top { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1.4fr; gap: 50px; padding-bottom: 56px; }
.brand--footer { color: #fff; }
.footer-brand > p { font-size: 13px; color: rgba(255, 255, 255, .45); margin-top: 22px; line-height: 1.9; max-width: 280px; }
.footer-col h4 { font-size: 14px; font-weight: 700; margin-bottom: 20px; color: #fff; }
.footer-col a { display: block; font-size: 13px; color: rgba(255, 255, 255, .5); margin-bottom: 12px; transition: color .25s, transform .25s; }
.footer-col a:hover { color: var(--cyan); transform: translateX(3px); }
.footer-col--contact p { font-size: 13px; color: rgba(255, 255, 255, .5); margin-bottom: 10px; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; padding: 22px 0 26px; border-top: 1px solid rgba(255, 255, 255, .09); font-size: 11.5px; color: rgba(255, 255, 255, .34); }
.footer-icp i { font-style: normal; color: rgba(255, 255, 255, .55); }

/* ---------- 回到顶部 ---------- */
.to-top { position: fixed; right: 26px; bottom: 28px; z-index: 90; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 4px; background: #fff; color: var(--navy-900); display: grid; place-items: center; box-shadow: 0 8px 24px rgba(3, 27, 45, .12); opacity: 0; visibility: hidden; transform: translateY(12px); transition: opacity .3s, transform .3s, visibility .3s, background .3s, color .3s; }
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--navy-800); color: #fff; border-color: var(--navy-800); }
.to-top svg { width: 19px; height: 19px; }

/* ---------- 滚动出现 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation-duration: .01ms !important; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .container { width: min(100% - 48px, 1000px); }
  .nav { gap: 20px; }
  .hero-inner { gap: 34px; }
  .intro-grid { gap: 48px; }
  .cap-layout { gap: 44px; }
  .service-card--wide-body { padding-right: 20px; }
}
@media (max-width: 960px) {
  .section { padding: 82px 0; }
  .header-cta { display: none; }
  .nav-toggle { display: block; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; padding: 14px 24px 22px; margin: 0;
    box-shadow: 0 20px 36px rgba(3, 27, 45, .16);
    opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: opacity .28s, transform .28s, visibility .28s;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav-link, .site-header.is-scrolled .nav-link { color: var(--ink); padding: 13px 0; border-bottom: 1px solid var(--line); }
  .nav-link:hover, .nav-link.is-active, .site-header.is-scrolled .nav-link:hover, .site-header.is-scrolled .nav-link.is-active { color: var(--coral); }
  .nav-link::after { display: none; }
  .hero { min-height: auto; }
  .hero-inner { grid-template-columns: 1fr; min-height: auto; padding-top: 140px; padding-bottom: 80px; text-align: center; }
  .hero-copy { display: flex; flex-direction: column; align-items: center; }
  .hero-desc { max-width: 620px; }
  .hero-points { justify-content: center; }
  .hero-visual { margin-top: 20px; }
  .hero-scroll { display: none; }
  .intro-grid, .cap-layout { grid-template-columns: 1fr; gap: 42px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 24px; margin-bottom: 40px; }
  .section-head-desc { max-width: 100%; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 0; margin-top: 56px; }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(3), .stat:nth-child(4) { border-top: 1px solid var(--line); }
  .stat:nth-child(3) { padding-left: 0; }
  .audience-grid, .compliance-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card--wide { grid-column: span 2; }
  .story-grid { grid-template-columns: 1fr; }
  .cap-big { margin-top: 32px; }
  .footer-top { grid-template-columns: repeat(2, 1fr); gap: 36px; }
}
@media (max-width: 640px) {
  .container { width: calc(100% - 36px); }
  .only-desktop { display: none; }
  .section { padding: 68px 0; }
  .hero-title { font-size: 38px; }
  .hero-desc { font-size: 14.5px; }
  .hero-points { gap: 14px; margin-top: 36px; }
  .hero-points li { font-size: 12px; }
  .phone { width: 270px; height: 530px; transform: none; }
  .float-tag { font-size: 10px; padding: 7px 10px; }
  .float-tag--top { right: -4px; }
  .float-tag--bottom { left: -4px; }
  .h2 { font-size: 29px; }
  .section-head-desc { font-size: 14px; }
  .stats { grid-template-columns: 1fr; }
  .stat, .stat:not(:first-child) { padding: 26px 0; padding-left: 0; border-right: 0; border-top: 1px solid var(--line); }
  .stat:first-child { border-top: 1px solid var(--line); }
  .stat strong { font-size: 44px; }
  .audience-grid, .compliance-grid, .service-grid, .cap-grid { grid-template-columns: 1fr; }
  .service-card--wide { grid-column: span 1; flex-direction: column; align-items: flex-start; gap: 18px; }
  .service-card--wide .service-num { top: 24px; transform: none; }
  .service-card--wide-body { padding-right: 0; }
  .service-card, .audience-card, .compliance-card { min-height: auto; }
  .story-body { padding: 24px 22px 28px; }
  .cap-big strong { font-size: 76px; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .cta-inner { padding: 72px 0; }
  .cta-contact { flex-direction: column; gap: 8px; }
}