/* 循驭智能官网 · 设计系统
   品牌色取自 BP：深海军蓝 #132B41 / 深青 #102E39 / 品牌青 #008E88 / 亮青 #38C2B3
   结构参考 apptronik.com：全幅暗色首屏、短而有力的标题、交替的图文区块、合作方滚动条、新闻卡片、收尾 CTA。 */

:root {
  --ink: #08151f;
  --navy: #132b41;
  --deep: #102e39;
  --teal: #008e88;
  --teal-2: #009fa4;
  --mint: #38c2b3;
  --mist: #d8e4e3;
  --paper: #f4f8f7;
  --line: #dde7e6;
  --line-dark: rgba(216, 228, 227, 0.12);
  --text: #132b41;
  --muted: #597078;
  --muted-dark: #9db3b8;
  --white: #ffffff;
  --todo: #f5b83d;

  --font: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-latin: "SF Pro Display", -apple-system, "Segoe UI", "Helvetica Neue", Arial, var(--font);
  --font-mono: "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  --wrap: 1280px;
  --gutter: clamp(16px, 4vw, 48px);
  --radius: 4px;
  --radius-lg: 10px;
  --header-h: 72px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, video, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
h1, h2, h3, h4 { margin: 0; line-height: 1.2; font-weight: 700; letter-spacing: -0.01em; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; }
h1, h2, h3, .h-display, .h1, .h2, .h3 { text-wrap: balance; }
p, li, .lead, .pain-list p, .feature p, .rm-col li, .stat .d, td { text-wrap: pretty; }
.nw { white-space: nowrap; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.num, .latin { font-family: var(--font-latin); }

/* ---------- 文字层级 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-latin); font-size: 12px; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase; color: var(--teal);
  margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 4px color-mix(in srgb, currentColor 18%, transparent); }
.dark .eyebrow, .navy .eyebrow { color: var(--mint); }
.h-display { font-size: clamp(40px, 6.2vw, 88px); line-height: 1.08; letter-spacing: -0.02em; }
.h1 { font-size: clamp(36px, 4.8vw, 68px); line-height: 1.12; letter-spacing: -0.02em; }
.h2 { font-size: clamp(30px, 3.4vw, 50px); line-height: 1.16; }
.h3 { font-size: clamp(22px, 2vw, 28px); line-height: 1.3; }
.lead { font-size: clamp(17px, 1.4vw, 20px); line-height: 1.75; color: var(--muted); max-width: 720px; }
.dark .lead, .navy .lead { color: var(--muted-dark); }
.small { font-size: 13px; color: var(--muted); }
.dark .small, .navy .small { color: var(--muted-dark); }
.accent { color: var(--teal); }
.dark .accent, .navy .accent { color: var(--mint); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  min-height: 48px; padding: 0 24px; border-radius: 999px;
  font-size: 15px; font-weight: 600; letter-spacing: .02em;
  border: 1px solid transparent; transition: background .25s var(--ease), color .25s, border-color .25s, transform .25s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; transition: transform .25s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn-primary { background: var(--teal); color: var(--white); }
.btn-primary:hover { background: var(--teal-2); }
.btn-ghost { border-color: rgba(255, 255, 255, .35); color: var(--white); }
.btn-ghost:hover { border-color: var(--white); background: rgba(255, 255, 255, .06); }
.btn-outline { border-color: var(--navy); color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: var(--white); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.link-arrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--teal); }
.dark .link-arrow, .navy .link-arrow { color: var(--mint); }
.link-arrow svg { width: 16px; height: 16px; transition: transform .25s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ---------- 页眉 ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--header-h);
  color: var(--white); transition: background .3s, box-shadow .3s, backdrop-filter .3s;
}
.site-header.scrolled, .site-header.open {
  background: rgba(8, 21, 31, .86); backdrop-filter: saturate(140%) blur(14px); -webkit-backdrop-filter: saturate(140%) blur(14px);
  box-shadow: 0 1px 0 var(--line-dark);
}
.site-header .wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark { width: 34px; height: 34px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-size: 19px; letter-spacing: .08em; }
.brand-text span { font-family: var(--font-latin); font-size: 10px; letter-spacing: .24em; color: var(--mint); margin-top: 4px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { padding: 8px 14px; font-size: 15px; color: rgba(255, 255, 255, .82); border-radius: 999px; transition: color .2s, background .2s; }
.nav a:hover { color: var(--white); background: rgba(255, 255, 255, .06); }
.nav a[aria-current="page"] { color: var(--white); }
.nav a[aria-current="page"]::after { content: ""; display: block; height: 2px; margin-top: 2px; background: var(--mint); border-radius: 2px; }
.header-cta { display: flex; align-items: center; gap: 12px; }
.header-cta .btn { min-height: 40px; padding: 0 18px; font-size: 14px; }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; color: var(--white); border-radius: 8px; }
.menu-toggle svg { width: 24px; height: 24px; margin: auto; }
.mobile-nav { display: none; }

@media (max-width: 960px) {
  .nav, .header-cta .btn { display: none; }
  .menu-toggle { display: grid; }
  .mobile-nav {
    position: fixed; inset: var(--header-h) 0 0 0; z-index: 49; display: flex; flex-direction: column;
    padding: 24px var(--gutter) 40px; background: var(--ink); color: var(--white);
    transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s var(--ease);
    overflow-y: auto;
  }
  .mobile-nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .mobile-nav a { padding: 16px 0; font-size: 22px; font-weight: 600; border-bottom: 1px solid var(--line-dark); }
  .mobile-nav .btn { margin-top: 28px; justify-content: center; border: 0; font-size: 17px; }
}

/* ---------- 区块 ---------- */
.section { padding: clamp(72px, 10vw, 140px) 0; position: relative; }
.section-tight { padding: clamp(56px, 7vw, 96px) 0; }
.dark { background: var(--ink); color: var(--white); }
.navy { background: var(--navy); color: var(--white); }
.paper { background: var(--paper); }
.section-head { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 48px; align-items: end; margin-bottom: clamp(40px, 5vw, 72px); }
.section-head .lead { margin: 0; }
.section-head .head-link { justify-self: end; }
@media (max-width: 860px) { .section-head .head-link { justify-self: start; } }
.section-head.center { grid-template-columns: 1fr; text-align: center; justify-items: center; }
@media (max-width: 860px) { .section-head { grid-template-columns: 1fr; gap: 20px; } }

.grid-bg {
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* ---------- 首屏 ---------- */
.hero {
  position: relative; min-height: min(100vh, 980px); min-height: min(100svh, 980px); display: flex; align-items: center;
  padding: calc(var(--header-h) + 40px) 0 72px; overflow: hidden; background: var(--ink); color: var(--white);
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(60% 70% at 72% 48%, rgba(0, 142, 136, .38), transparent 70%),
    radial-gradient(40% 50% at 10% 100%, rgba(19, 43, 65, .9), transparent 70%);
}
.hero .grid-bg { position: absolute; inset: 0; mask-image: radial-gradient(80% 80% at 60% 50%, #000 30%, transparent 85%); -webkit-mask-image: radial-gradient(80% 80% at 60% 50%, #000 30%, transparent 85%); }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .55; }
.hero .wrap { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 40px; align-items: center; }
.hero .lead { margin-top: 28px; }
.hero-visual { position: relative; aspect-ratio: 1 / 1.05; max-height: min(76vh, 760px); justify-self: center; width: 100%; }
.hero-visual img.robot { position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); height: 100%; width: auto; max-width: none; filter: drop-shadow(0 40px 60px rgba(0, 0, 0, .55)); }
.hero-visual .halo { position: absolute; left: 50%; bottom: 2%; width: 70%; height: 8%; transform: translateX(-50%); background: radial-gradient(closest-side, rgba(56, 194, 179, .5), transparent); filter: blur(6px); }
.hero-chips { position: absolute; inset: 0; pointer-events: none; }
.tag-chip {
  position: absolute; display: flex; align-items: center; gap: 10px;
  padding: 8px 14px 8px 10px; border-radius: 999px; font-size: 13px; white-space: nowrap;
  background: rgba(8, 21, 31, .72); border: 1px solid rgba(56, 194, 179, .35);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  animation: float 6s ease-in-out infinite;
}
.tag-chip b { font-weight: 600; }
.tag-chip i { font-style: normal; color: var(--muted-dark); font-family: var(--font-latin); font-size: 12px; }
.tag-chip::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 12px var(--mint); }
.tag-chip:nth-of-type(2) { animation-delay: -1.5s; }
.tag-chip:nth-of-type(3) { animation-delay: -3s; }
.tag-chip:nth-of-type(4) { animation-delay: -4.5s; }
@keyframes float { 50% { transform: translateY(-6px); } }
.hero-news {
  position: absolute; left: var(--gutter); right: var(--gutter); bottom: 28px; max-width: var(--wrap); margin: 0 auto;
  display: flex; align-items: center; gap: 14px; font-size: 14px; color: var(--muted-dark);
}
.hero-news .pill { font-family: var(--font-latin); font-size: 11px; letter-spacing: .14em; color: var(--ink); background: var(--mint); padding: 3px 10px; border-radius: 999px; font-weight: 700; }
.hero-news a:hover { color: var(--white); }
@media (max-width: 960px) {
  .hero { min-height: auto; padding-bottom: 96px; }
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-visual { max-width: 460px; max-height: none; }
  .tag-chip { font-size: 12px; }
}
@media (max-width: 640px) {
  .hero-visual { aspect-ratio: auto; display: flex; flex-direction: column; align-items: center; gap: 18px; }
  .hero-visual img.robot { position: static; transform: none; height: auto; max-height: 50vh; width: auto; }
  .hero-visual .halo { display: none; }
  .hero-chips { position: static; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
  .hero-chips .tag-chip { position: static; animation: none; }
}
@media (max-width: 520px) {
  .tag-chip i { display: none; }
  .hero-news { font-size: 13px; }
  .hero-news .pill { display: none; }
}

/* 子页首屏 */
.page-hero { position: relative; padding: calc(var(--header-h) + clamp(64px, 9vw, 120px)) 0 clamp(64px, 8vw, 112px); overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(50% 80% at 85% 20%, rgba(0, 142, 136, .32), transparent 70%); }
.page-hero .grid-bg { position: absolute; inset: 0; mask-image: linear-gradient(180deg, #000, transparent); -webkit-mask-image: linear-gradient(180deg, #000, transparent); }
.page-hero .wrap { position: relative; }
.page-hero .lead { margin-top: 24px; }
.page-hero .anchors { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 40px; }
.page-hero .anchors a { padding: 8px 16px; border: 1px solid var(--line-dark); border-radius: 999px; font-size: 14px; color: var(--muted-dark); transition: border-color .2s, color .2s; }
.page-hero .anchors a:hover { border-color: var(--mint); color: var(--white); }
/* 深色首屏后紧跟深色板块：去掉重复留白，用一条细线分隔 */
.page-hero.dark + .section.dark { padding-top: 0; }
.page-hero.dark + .section.dark > .wrap::before { content: ""; display: block; border-top: 1px solid var(--line-dark); margin-bottom: clamp(48px, 6vw, 80px); }

/* ---------- 三支柱（大脑/神经/身体） ---------- */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-dark); }
.pillar { display: flex; flex-direction: column; align-items: flex-start; padding: 40px 36px 44px 0; border-right: 1px solid var(--line-dark); }
.pillar + .pillar { padding-left: 36px; }
.pillar:last-child { border-right: 0; }
.pillar .ico { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: rgba(56, 194, 179, .12); color: var(--mint); margin-bottom: 28px; }
.pillar .ico svg { width: 26px; height: 26px; }
.pillar .layer { font-family: var(--font-latin); font-size: 12px; letter-spacing: .18em; color: var(--muted-dark); text-transform: uppercase; }
.pillar h3 { font-size: 26px; margin: 8px 0 14px; }
.pillar p { color: var(--muted-dark); margin-bottom: 22px; flex: 1; }
@media (max-width: 860px) {
  .pillars { grid-template-columns: 1fr; }
  .pillar, .pillar + .pillar { padding: 32px 0; border-right: 0; border-bottom: 1px solid var(--line-dark); }
}

/* ---------- 问题陈述 ---------- */
.problem { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
.pain-list { list-style: none; margin: 0; padding: 0; counter-reset: pain; }
.pain-list li { counter-increment: pain; display: grid; grid-template-columns: 64px 1fr; gap: 8px 20px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.pain-list li:first-child { border-top: 1px solid var(--line); }
.pain-list li::before { content: "0" counter(pain); grid-row: span 2; font-family: var(--font-latin); font-size: 32px; font-weight: 300; color: var(--teal); line-height: 1.1; }
.pain-list h3 { font-size: 21px; }
.pain-list p { margin: 0; color: var(--muted); }
.pain-list .fix { grid-column: 2; margin-top: 10px; font-size: 14px; color: var(--teal); font-weight: 600; }
@media (max-width: 860px) { .problem { grid-template-columns: 1fr; } }

/* ---------- 产品卡 ---------- */
.product-rail { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.product-card {
  position: relative; display: flex; flex-direction: column; border-radius: var(--radius-lg); overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #eef4f3 100%); border: 1px solid var(--line);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.product-card:hover { transform: translateY(-4px); box-shadow: 0 24px 48px -24px rgba(19, 43, 65, .35); }
.product-card .shot { position: relative; aspect-ratio: 4 / 5; overflow: hidden; }
.product-card .shot img { position: absolute; left: 16px; right: 16px; top: 24px; bottom: 0; width: calc(100% - 32px); height: calc(100% - 24px); object-fit: contain; object-position: center bottom; transition: transform .5s var(--ease); transform-origin: center bottom; }
.product-card:hover .shot img { transform: scale(1.04); }
.product-card .meta { padding: 18px 20px 22px; border-top: 1px solid var(--line); background: var(--white); }
.product-card .use { font-size: 12px; letter-spacing: .08em; color: var(--teal); font-weight: 600; }
.product-card h3 { font-family: var(--font-latin); font-size: 20px; margin-top: 4px; }
.product-card .badge { position: absolute; top: 14px; left: 14px; font-size: 11px; padding: 3px 10px; border-radius: 999px; background: var(--navy); color: var(--white); letter-spacing: .06em; }
@media (max-width: 1100px) {
  .product-rail { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: minmax(230px, 42%); overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 12px; margin-right: calc(var(--gutter) * -1); padding-right: var(--gutter); }
  .product-card { scroll-snap-align: start; }
}
@media (max-width: 520px) { .product-rail { grid-auto-columns: 72%; } }

/* ---------- 全幅图 ---------- */
.fullbleed { position: relative; min-height: min(88vh, 900px); display: flex; align-items: flex-end; color: var(--white); overflow: hidden; }
.fullbleed > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.fullbleed::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 21, 31, .94) 0%, rgba(8, 21, 31, .78) 38%, rgba(8, 21, 31, .1) 66%),
    linear-gradient(180deg, rgba(8, 21, 31, 0) 40%, rgba(8, 21, 31, .95) 100%);
}
@media (max-width: 760px) { .fullbleed::after { background: linear-gradient(180deg, rgba(8, 21, 31, .35) 0%, rgba(8, 21, 31, .95) 70%); } }
.fullbleed .wrap { position: relative; z-index: 1; padding-bottom: clamp(48px, 7vw, 96px); }
.fullbleed .h2 { max-width: 640px; }
.fullbleed .lead { max-width: 560px; }
.h2-sub { display: block; margin: .35em 0 .3em; font-size: .58em; font-weight: 600; color: var(--mint); white-space: nowrap; letter-spacing: 0; }
.fullbleed .lead { color: rgba(255, 255, 255, .78); margin-top: 18px; }

.demo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 40px; }
.demo { position: relative; border-radius: var(--radius); overflow: hidden; background: #000; aspect-ratio: 16 / 9; }
.demo video { width: 100%; height: 100%; object-fit: cover; }
.demo figcaption { position: absolute; left: 10px; bottom: 8px; font-size: 12px; padding: 2px 8px; border-radius: 4px; background: rgba(8, 21, 31, .7); }
@media (max-width: 860px) { .demo-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- 数据带 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-dark); }
.stat { padding: 36px 28px 8px 0; }
.stat + .stat { padding-left: 28px; border-left: 1px solid var(--line-dark); }
.stat .v { font-family: var(--font-latin); font-size: clamp(40px, 4.6vw, 64px); font-weight: 300; line-height: 1; letter-spacing: -0.02em; }
.stat .v sup { font-size: .4em; color: var(--mint); margin-left: 4px; vertical-align: super; font-weight: 500; }
.stat .k { margin-top: 14px; font-weight: 600; }
.stat .d { font-size: 13px; color: var(--muted-dark); margin-top: 4px; }
.light .stats, .stats.light { border-color: var(--line); }
.stats.light .stat + .stat { border-color: var(--line); }
.stats.light .stat .d { color: var(--muted); }
.stats.light .stat .v sup { color: var(--teal); }
@media (max-width: 860px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat, .stat + .stat { padding: 28px 16px 20px 0; border-left: 0; }
  .stat:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--line-dark); }
  .stats.light .stat:nth-child(even) { border-color: var(--line); }
}
.footnote { margin-top: 28px; font-size: 12px; color: var(--muted-dark); }
.paper .footnote, .section:not(.dark):not(.navy) .footnote { color: var(--muted); }

/* ---------- 技术栈分层图 ---------- */
.stack { display: grid; gap: 10px; }
.stack-row { display: grid; grid-template-columns: 180px 1fr; align-items: stretch; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line-dark); background: rgba(255, 255, 255, .02); transition: border-color .3s, background .3s; }
.stack-row:hover { border-color: rgba(56, 194, 179, .5); background: rgba(56, 194, 179, .05); }
.stack-row .lv { display: flex; flex-direction: column; justify-content: center; padding: 18px 22px; background: rgba(56, 194, 179, .08); }
.stack-row .lv b { font-size: 18px; }
.stack-row .lv span { font-family: var(--font-latin); font-size: 11px; letter-spacing: .16em; color: var(--muted-dark); text-transform: uppercase; }
.stack-row .items { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 16px 20px; }
.chip { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; font-size: 14px; border: 1px solid var(--line-dark); color: var(--white); background: rgba(8, 21, 31, .4); }
.chip.hl { border-color: var(--mint); color: var(--mint); }
.chip em { font-style: normal; font-size: 12px; color: var(--muted-dark); }
.light-chips .chip { color: var(--text); border-color: var(--line); background: var(--white); }
.light-chips .chip.hl { border-color: var(--teal); color: var(--teal); }
.light-chips .chip em { color: var(--muted); }
@media (max-width: 640px) { .stack-row { grid-template-columns: 1fr; } }

/* 大脑-神经-身体 闭环图 */
.loop-diagram { display: grid; grid-template-columns: 1fr; gap: 0; max-width: 560px; margin-left: auto; }
.loop-node { position: relative; padding: 22px 24px; border: 1px solid var(--line-dark); border-radius: var(--radius-lg); background: rgba(255, 255, 255, .03); }
.loop-node .t { display: flex; align-items: baseline; gap: 12px; }
.loop-node .t b { font-size: 20px; }
.loop-node .t span { color: var(--mint); font-family: var(--font-latin); font-size: 14px; }
.loop-node p { margin: 8px 0 0; font-size: 14px; color: var(--muted-dark); }
.loop-link { display: flex; justify-content: center; gap: 48px; padding: 8px 0; font-size: 12px; color: var(--muted-dark); }
.loop-link span { display: inline-flex; align-items: center; gap: 6px; }
.loop-link svg { width: 14px; height: 14px; color: var(--mint); }

/* ---------- 图文分栏 ---------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(40px, 6vw, 96px); align-items: center; }
.split.flip > :first-child { order: 2; }
.split .media { border-radius: var(--radius-lg); overflow: hidden; background: var(--paper); }
.split .media img { width: 100%; height: auto; }
.split .media.contain { padding: 24px; display: grid; place-items: center; }
.split .media.fixed { aspect-ratio: 4 / 3; position: relative; }
.split .media.fixed img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.split .media.fixed.contain img { inset: 8% 10% 0; width: 80%; height: 92%; object-fit: contain; object-position: center bottom; }
.bullets { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.bullets li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; align-items: start; }
.bullets li svg { width: 18px; height: 18px; margin-top: 4px; color: var(--teal); }
.dark .bullets li svg, .navy .bullets li svg { color: var(--mint); }
.bullets b { display: block; }
.bullets span { color: var(--muted); font-size: 15px; }
.dark .bullets span, .navy .bullets span { color: var(--muted-dark); }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } .split.flip > :first-child { order: 0; } }

.mini-gallery { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 10px; margin-top: 10px; }
.mini-gallery img { border-radius: var(--radius); background: var(--paper); aspect-ratio: 3 / 4; object-fit: cover; width: 100%; height: 100%; }
.mini-gallery img:first-child { aspect-ratio: auto; object-fit: contain; }

/* ---------- 解决方案卡 ---------- */
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.sol-card { display: flex; flex-direction: column; border-radius: var(--radius-lg); overflow: hidden; background: var(--white); border: 1px solid var(--line); transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.sol-card:hover { transform: translateY(-4px); box-shadow: 0 24px 48px -28px rgba(19, 43, 65, .4); }
.sol-card .img { aspect-ratio: 16 / 10; background: linear-gradient(160deg, var(--navy), var(--deep)); position: relative; overflow: hidden; }
.sol-card .img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.sol-card .img img.cut { object-fit: contain; padding: 18px 0 0; }
.sol-card:hover .img img { transform: scale(1.04); }
.sol-card .body { padding: 26px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.sol-card .stage { font-family: var(--font-latin); font-size: 12px; letter-spacing: .16em; color: var(--teal); font-weight: 600; }
.sol-card h3 { font-size: 23px; margin: 8px 0 12px; }
.sol-card p { color: var(--muted); font-size: 15px; flex: 1; }
@media (max-width: 960px) { .cards-3 { grid-template-columns: 1fr; } .sol-card .img { aspect-ratio: 16 / 8; } }

/* ---------- 生态条 ---------- */
.marquee { position: relative; overflow: hidden; 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; width: max-content; animation: marquee 48s linear infinite; }
.marquee-track > * { margin-right: 14px; }  /* 用外边距而不是 gap，复制后 -50% 才能无缝 */
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee.reverse .marquee-track { animation-direction: reverse; }  /* 从左往右 */
@keyframes marquee { to { transform: translateX(-50%); } }
.logo-tile { display: flex; flex-direction: column; justify-content: center; min-width: 210px; height: 96px; padding: 0 26px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); }
.logo-tile b { font-size: 17px; color: var(--navy); white-space: nowrap; }
.logo-tile span { font-family: var(--font-latin); font-size: 11px; letter-spacing: .12em; color: var(--muted); text-transform: uppercase; white-space: nowrap; }
.logo-group-label { font-size: 13px; color: var(--muted); margin: 28px 0 12px; }

/* ---------- 荣誉 ---------- */
.recog { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); }
.recog-item { padding: 28px 24px 8px 0; }
.recog-item + .recog-item { padding-left: 24px; border-left: 1px solid var(--line); }
.recog-item .y { font-family: var(--font-latin); font-size: 13px; letter-spacing: .1em; color: var(--teal); font-weight: 600; }
.recog-item h3 { font-size: 18px; margin: 10px 0 8px; line-height: 1.45; }
.recog-item p { font-size: 14px; color: var(--muted); margin: 0; }
@media (max-width: 960px) {
  .recog { grid-template-columns: 1fr 1fr; }
  .recog-item, .recog-item + .recog-item { padding: 24px 16px 16px 0; border-left: 0; }
  .recog-item:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--line); }
}
@media (max-width: 600px) {
  .recog { grid-template-columns: 1fr; }
  .recog-item:nth-child(n) { padding: 20px 0; border-left: 0; border-bottom: 1px solid var(--line); }
}

/* ---------- 新闻卡 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { display: flex; flex-direction: column; }
.news-card .img { aspect-ratio: 16 / 10; border-radius: var(--radius-lg); overflow: hidden; background: var(--paper); }
.news-card .img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.news-card:hover .img img { transform: scale(1.04); }
.news-card .src { display: flex; gap: 12px; margin-top: 20px; font-size: 13px; color: var(--muted); }
.news-card .src b { color: var(--teal); font-weight: 600; }
.news-card h3 { font-size: 20px; line-height: 1.45; margin: 10px 0 10px; }
.news-card p { font-size: 15px; color: var(--muted); }
@media (max-width: 960px) { .news-grid { grid-template-columns: 1fr; } .news-card .img { aspect-ratio: 16 / 8; } }

/* ---------- 收尾 CTA ---------- */
.cta-band { position: relative; overflow: hidden; text-align: center; }
.cta-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(50% 90% at 50% 100%, rgba(0, 142, 136, .45), transparent 70%); }
.cta-band .wrap { position: relative; }
.cta-band .h1 { max-width: 900px; margin: 0 auto; }
.cta-band .lead { margin: 22px auto 0; text-wrap: balance; }
.cta-band .btn-row { justify-content: center; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--ink); color: var(--muted-dark); padding: 80px 0 32px; font-size: 14px; border-top: 1px solid var(--line-dark); }
.footer-top { display: grid; grid-template-columns: 1.4fr repeat(5, 1fr); gap: 32px; }
.footer-top h4 { color: var(--white); font-size: 14px; font-weight: 600; margin-bottom: 16px; }
.footer-top ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-top a:hover { color: var(--white); }
.footer-brand p { margin-top: 20px; max-width: 280px; line-height: 1.8; }
.footer-brand .brand { color: var(--white); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--line-dark); font-size: 13px; }
.footer-bottom nav { display: flex; flex-wrap: wrap; gap: 20px; }
@media (max-width: 1000px) { .footer-top { grid-template-columns: repeat(3, 1fr); } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 560px) { .footer-top { grid-template-columns: repeat(2, 1fr); } }

/* ---------- 产品详情 ---------- */
.lineup { display: flex; align-items: flex-end; justify-content: center; gap: clamp(8px, 2vw, 32px); margin-top: 56px; }
.lineup a { flex: 1; max-width: 220px; text-align: center; }
.lineup img { margin: 0 auto; max-height: 300px; width: auto; filter: drop-shadow(0 24px 30px rgba(0, 0, 0, .5)); transition: transform .4s var(--ease); }
.lineup a:hover img { transform: translateY(-6px); }
.lineup span { display: block; margin-top: 14px; font-family: var(--font-latin); font-size: 14px; color: var(--muted-dark); }
.lineup a:hover span { color: var(--white); }
@media (max-width: 720px) { .lineup { flex-wrap: wrap; } .lineup a { flex: 0 0 28%; } .lineup img { max-height: 160px; } }

.product-detail { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(40px, 6vw, 96px); align-items: center; }
.product-detail.flip .pd-media { order: 2; }
.pd-media { position: relative; aspect-ratio: 1 / 1; border-radius: var(--radius-lg); background: radial-gradient(70% 70% at 50% 60%, #ffffff, #e3eeec); overflow: hidden; }
.pd-media img { position: absolute; left: 8%; right: 8%; top: 10%; bottom: 0; width: 84%; height: 90%; object-fit: contain; object-position: center bottom; }
.pd-media .model-tag { position: absolute; top: 18px; left: 20px; font-family: var(--font-latin); font-size: 12px; letter-spacing: .16em; color: var(--muted); }
.paper .pd-media { background: radial-gradient(70% 70% at 50% 60%, #ffffff, #dfeae8); }
.uses { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 8px; }
.spec { width: 100%; border-collapse: collapse; margin-top: 28px; font-size: 15px; }
.spec th, .spec td { text-align: left; padding: 12px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec th { width: 34%; font-weight: 500; color: var(--muted); }
.dark .spec th, .navy .spec th { color: var(--muted-dark); }
.dark .spec th, .dark .spec td, .navy .spec th, .navy .spec td { border-color: var(--line-dark); }
@media (max-width: 900px) { .product-detail { grid-template-columns: 1fr; } .product-detail.flip .pd-media { order: 0; } }

.pd-photos { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-top: clamp(32px, 4vw, 56px); }
.pd-photos figure { margin: 0; }
.pd-photos img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: var(--radius-lg); }
.pd-photos figcaption { margin-top: 10px; font-size: 13px; color: var(--muted); }
.pd-photos:has(figure:only-child) { grid-template-columns: minmax(0, 560px); }

.faq { display: grid; gap: 10px; }
.faq details { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); padding: 0 22px; }
.faq summary { list-style: none; cursor: pointer; padding: 18px 0; font-weight: 600; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--teal); font-size: 20px; line-height: 1; transition: transform .25s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); margin: 0 0 18px; }

.case-card { margin-top: 28px; padding: 24px 26px; border-radius: var(--radius-lg); background: var(--paper); border: 1px solid var(--line); }
.case-card .kind { font-size: 12px; letter-spacing: .1em; color: var(--teal); font-weight: 600; }
.case-card h3 { font-size: 19px; margin: 8px 0 10px; line-height: 1.45; }
.case-card p { font-size: 15px; color: var(--muted); margin: 0; }
.case-stat { display: flex; align-items: baseline; gap: 12px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.case-stat b { font-size: 36px; font-weight: 300; color: var(--teal); line-height: 1; }
.case-stat span { font-size: 14px; color: var(--muted); }

/* ---------- 技术页 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature { padding: 28px; border-radius: var(--radius-lg); border: 1px solid var(--line); background: var(--white); }
.dark .feature, .navy .feature { border-color: var(--line-dark); background: rgba(255, 255, 255, .03); }
.feature .ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: rgba(0, 142, 136, .1); color: var(--teal); margin-bottom: 20px; }
.dark .feature .ico, .navy .feature .ico { background: rgba(56, 194, 179, .12); color: var(--mint); }
.feature .ico svg { width: 22px; height: 22px; }
.feature h3 { font-size: 19px; margin-bottom: 10px; }
.feature p { font-size: 15px; color: var(--muted); margin: 0; }
.dark .feature p, .navy .feature p { color: var(--muted-dark); }
.feature-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .feature-grid, .feature-grid.cols-4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .feature-grid, .feature-grid.cols-4 { grid-template-columns: 1fr; } }

.cycle { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cycle .step { padding: 24px 26px; border-radius: var(--radius-lg); border: 1px solid var(--line-dark); background: rgba(255, 255, 255, .03); }
.cycle .step .n { font-family: var(--font-latin); font-size: 13px; color: var(--mint); letter-spacing: .1em; }
.cycle .step h3 { font-size: 19px; margin: 6px 0 8px; }
.cycle .step p { margin: 0; font-size: 14px; color: var(--muted-dark); }
.cycle .step:nth-child(1) { order: 1; } .cycle .step:nth-child(2) { order: 2; }
.cycle .step:nth-child(3) { order: 4; } .cycle .step:nth-child(4) { order: 5; }
.cycle .core {
  order: 3; grid-column: 1 / -1; display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap;
  padding: 14px 18px; border-radius: 999px; background: var(--teal); color: var(--white); font-size: 14px; font-weight: 600;
  box-shadow: 0 0 40px rgba(56, 194, 179, .35);
}
.cycle .core svg { width: 18px; height: 18px; }
@media (max-width: 600px) { .cycle { grid-template-columns: 1fr; } .cycle .step:nth-child(n) { order: 0; } .cycle .core { order: 9; border-radius: var(--radius-lg); } }

.data-split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.data-col { padding: 28px; border-radius: var(--radius-lg); border: 1px solid var(--line); background: var(--white); }
.data-col.hl { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(0, 142, 136, .08); }
.data-col h3 { font-size: 20px; margin: 6px 0 16px; }
@media (max-width: 760px) { .data-split { grid-template-columns: 1fr; } }

.roadmap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.roadmap::before { content: ""; position: absolute; left: 0; right: 0; top: 11px; height: 2px; background: linear-gradient(90deg, var(--mint), rgba(56, 194, 179, .15)); }
.rm-col { position: relative; padding: 44px 24px 0 0; }
.rm-col::before { content: ""; position: absolute; left: 0; top: 4px; width: 16px; height: 16px; border-radius: 50%; background: var(--ink); border: 2px solid var(--mint); }
.rm-col.done::before { background: var(--mint); }
.rm-col .phase { font-family: var(--font-latin); font-size: 12px; letter-spacing: .16em; color: var(--mint); text-transform: uppercase; }
.rm-col h3 { font-size: 22px; margin: 6px 0 18px; }
.rm-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.rm-col li { font-size: 15px; color: var(--muted-dark); padding-left: 14px; position: relative; line-height: 1.6; }
.rm-col li::before { content: ""; position: absolute; left: 0; top: .7em; width: 5px; height: 5px; border-radius: 50%; background: var(--mint); }
.rm-col li b { color: var(--white); font-weight: 600; }
@media (max-width: 900px) {
  .roadmap { grid-template-columns: 1fr; }
  .roadmap::before { left: 7px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; background: linear-gradient(180deg, var(--mint), rgba(56, 194, 179, .15)); }
  .rm-col { padding: 0 0 36px 40px; }
  .rm-col::before { top: 2px; }
}

.compare { width: 100%; border-collapse: collapse; font-size: 15px; }
.compare th, .compare td { padding: 16px 18px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare thead th { font-size: 13px; letter-spacing: .06em; color: var(--muted); font-weight: 600; border-bottom: 2px solid var(--navy); }
.compare td:first-child { font-weight: 600; }
.compare .ours { background: rgba(0, 142, 136, .06); }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-scroll table { min-width: 720px; }
.table-scroll td:first-child, .table-scroll th:first-child { white-space: nowrap; }
.scroll-hint { display: none; font-size: 12px; color: var(--muted); margin: 0 0 8px; }
@media (max-width: 760px) { .scroll-hint { display: block; } }

/* ---------- 社区 ---------- */
.oss-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.oss-card { display: flex; flex-direction: column; padding: 28px; border-radius: var(--radius-lg); border: 1px solid var(--line); background: var(--white); transition: border-color .25s, transform .35s var(--ease); }
.oss-card:hover { border-color: var(--teal); transform: translateY(-3px); }
.oss-card .kind { font-family: var(--font-latin); font-size: 12px; letter-spacing: .14em; color: var(--teal); text-transform: uppercase; font-weight: 600; }
.oss-card h3 { font-size: 22px; margin: 8px 0 10px; font-family: var(--font-latin); }
.oss-card p { color: var(--muted); font-size: 15px; flex: 1; }
.oss-card .repo { font-family: var(--font-mono); font-size: 13px; color: var(--navy); display: flex; align-items: center; gap: 8px; word-break: break-all; }
.oss-card .repo svg { width: 16px; height: 16px; flex-shrink: 0; }
@media (max-width: 960px) { .oss-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .oss-grid { grid-template-columns: 1fr; } }

.timeline { display: grid; gap: 0; }
.tl-item { display: grid; grid-template-columns: 160px 1fr; gap: 32px; padding: 32px 0; border-top: 1px solid var(--line); align-items: center; }
.tl-item:last-child { border-bottom: 1px solid var(--line); }
.tl-date { font-family: var(--font-latin); font-size: 15px; color: var(--teal); font-weight: 600; }
.tl-date span { display: block; color: var(--muted); font-weight: 400; font-size: 13px; margin-top: 4px; font-family: var(--font); }
.tl-body { display: grid; grid-template-columns: 1fr 260px; gap: 28px; align-items: center; }
.tl-body h3 { font-size: 21px; margin-bottom: 8px; }
.tl-body p { color: var(--muted); margin: 0; font-size: 15px; }
.tl-body img { border-radius: var(--radius); aspect-ratio: 3 / 2; object-fit: cover; width: 100%; }
@media (max-width: 860px) { .tl-item { grid-template-columns: 1fr; gap: 12px; } .tl-body { grid-template-columns: 1fr; } }

.oss-matrix { display: grid; gap: 22px; margin-top: 20px; }
.oss-group-label { font-size: 12px; letter-spacing: .12em; color: var(--muted); font-weight: 600; margin-bottom: 10px; }
.oss-tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.oss-tile { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--white); transition: border-color .2s, transform .25s var(--ease); }
.oss-tile:hover { border-color: var(--teal); transform: translateY(-2px); }
.oss-tile .ico { width: 36px; height: 36px; flex-shrink: 0; border-radius: 10px; display: grid; place-items: center; background: rgba(0, 142, 136, .1); color: var(--teal); }
.oss-tile .ico svg { width: 18px; height: 18px; }
.oss-tile .t { display: flex; flex-direction: column; min-width: 0; flex: 1; line-height: 1.35; }
.oss-tile .t b { font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.oss-tile .t span { font-size: 12px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.oss-tile .go { width: 14px; height: 14px; color: var(--muted); flex-shrink: 0; }
.oss-dark { max-width: 960px; margin: 48px auto 0; text-align: left; }
.oss-dark .oss-group-label { color: var(--muted-dark); }
.oss-dark .oss-tiles { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.oss-dark .oss-tile { background: rgba(255, 255, 255, .03); border-color: var(--line-dark); color: var(--white); }
.oss-dark .oss-tile:hover { border-color: var(--mint); }
.oss-dark .oss-tile .ico { background: rgba(56, 194, 179, .12); color: var(--mint); }
.oss-dark .oss-tile .t span, .oss-dark .oss-tile .go { color: var(--muted-dark); }

/* ---------- 团队 ---------- */

.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line-dark); }
.value { padding: 36px 32px 0 0; }
.value + .value { padding-left: 32px; border-left: 1px solid var(--line-dark); }
.value .k { font-family: var(--font-latin); color: var(--mint); font-size: 13px; letter-spacing: .14em; }
.value h3 { font-size: 24px; margin: 10px 0 10px; }
.value p { color: var(--muted-dark); margin: 0; }
@media (max-width: 860px) { .values { grid-template-columns: 1fr; } .value, .value + .value { padding: 28px 0; border-left: 0; border-bottom: 1px solid var(--line-dark); } }

.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.fact { padding: 24px; border-radius: var(--radius-lg); background: var(--white); border: 1px solid var(--line); }
.fact .k { font-size: 13px; color: var(--muted); }
.fact .v { font-size: 20px; font-weight: 700; margin-top: 6px; }
@media (max-width: 760px) { .facts { grid-template-columns: 1fr; } }

.jobs { display: grid; gap: 0; }
.job { display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: center; padding: 24px 0; border-top: 1px solid var(--line); }
.job:last-child { border-bottom: 1px solid var(--line); }
.job h3 { font-size: 20px; }
.job p { margin: 4px 0 0; color: var(--muted); font-size: 15px; }

/* ---------- 联系表单 ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
.form { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: 18px 16px; padding: clamp(24px, 4vw, 44px); border-radius: var(--radius-lg); background: var(--white); border: 1px solid var(--line); box-shadow: 0 30px 60px -40px rgba(19, 43, 65, .35); }
.form .full { grid-column: 1 / -1; }
.form label { display: grid; gap: 8px; font-size: 14px; font-weight: 600; align-content: start; }
.form .lbl { display: block; }
.form label .req { color: var(--teal); }
.form input, .form select, .form textarea {
  width: 100%; min-height: 48px; padding: 12px 14px; font: inherit; font-size: 15px; font-weight: 400; color: var(--text);
  border: 1px solid var(--line); border-radius: 8px; background: var(--paper); transition: border-color .2s, background .2s;
}
.form textarea { min-height: 120px; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--teal); background: var(--white); }
.checks { display: flex; flex-wrap: wrap; gap: 8px; }
.checks label { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; font-weight: 400; cursor: pointer; }
.checks input { width: 16px; height: 16px; min-height: 0; accent-color: var(--teal); }
.checks label:has(input:checked) { border-color: var(--teal); background: rgba(0, 142, 136, .06); }
.form .consent { display: flex; gap: 10px; font-weight: 400; font-size: 13px; color: var(--muted); align-items: flex-start; }
.form .consent input { width: 16px; height: 16px; min-height: 0; margin-top: 3px; accent-color: var(--teal); }
.form-status { grid-column: 1 / -1; font-size: 14px; color: var(--teal); min-height: 1em; }
.contact-list { list-style: none; padding: 0; margin: 32px 0 0; display: grid; gap: 22px; }
.contact-list li { display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: start; }
.contact-list .ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: rgba(0, 142, 136, .1); color: var(--teal); }
.contact-list .ico svg { width: 20px; height: 20px; }
.contact-list b { display: block; font-size: 14px; color: var(--muted); font-weight: 500; }
.contact-list span { font-size: 16px; font-weight: 600; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .form { grid-template-columns: 1fr; } }

/* ---------- 进场动画 ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal-stagger > * { opacity: 0; transform: translateY(20px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal-stagger.in > * { opacity: 1; transform: none; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: .08s; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: .16s; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: .24s; }
.reveal-stagger.in > *:nth-child(5) { transition-delay: .32s; }
.reveal-stagger.in > *:nth-child(6) { transition-delay: .40s; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .reveal-stagger > * { opacity: 1; transform: none; transition: none; }
  .marquee-track, .tag-chip { animation: none; }
}

/* ---------- 草稿模式：标出待补素材 ----------
   上线前把 <body> 上的 draft 类去掉，所有 .todo 标记自动隐藏。 */
.todo { display: none; }
body.draft .todo {
  display: inline-flex; align-items: center; gap: 6px; margin: 6px 0; padding: 3px 10px;
  font-size: 12px; line-height: 1.5; font-weight: 600; color: #4a3500; background: var(--todo);
  border-radius: 4px; font-family: var(--font); letter-spacing: 0; text-transform: none;
}
body.draft .todo::before { content: "待补"; flex-shrink: 0; white-space: nowrap; padding-right: 6px; border-right: 1px solid rgba(74, 53, 0, .3); }
body.draft .todo-box { outline: 2px dashed var(--todo); outline-offset: 4px; }
.draft-toggle {
  position: fixed; right: 16px; bottom: 16px; z-index: 60; display: none; align-items: center; gap: 8px;
  padding: 8px 14px; border: 0; border-radius: 999px; font-size: 13px; font-weight: 600;
  background: var(--todo); color: #4a3500; box-shadow: 0 8px 24px rgba(0, 0, 0, .25);
}
body.has-draft .draft-toggle { display: inline-flex; }
@media (max-width: 640px) { .draft-toggle { font-size: 11px; padding: 5px 10px; right: 8px; bottom: 8px; opacity: .9; } }