/* ============================================================
   德润新材料 / Dorantape 官网样式 —— 大气版
   纯手写 CSS，无框架依赖。断点：640 / 900 / 1200 / 1400
   ============================================================ */

:root {
  --brand: #0f3563;
  --brand-2: #0a2544;
  --brand-3: #17457f;
  --accent: #e8452c;
  --accent-2: #ff6a4d;
  --ink: #16202e;
  --ink-2: #4a5567;
  --ink-3: #7b8798;
  --line: #e4e9f0;
  --line-2: #d3dbe6;
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --bg-deep: #0a2544;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 2px 10px rgba(15, 53, 99, .06);
  --shadow-md: 0 8px 26px rgba(15, 53, 99, .10);
  --shadow-lg: 0 18px 48px rgba(15, 53, 99, .16);
  --maxw: 1320px;
  --nav-h: 76px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

html, body { overflow-x: clip; }

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration: none; transition: color .18s; }
a:hover { color: var(--accent); }

h1, h2, h3, h4 { line-height: 1.28; margin: 0 0 .55em; font-weight: 700; letter-spacing: -.015em; }
h1 { font-size: clamp(30px, 4.6vw, 54px); letter-spacing: -.025em; }
h2 { font-size: clamp(25px, 3.2vw, 40px); letter-spacing: -.02em; }
h3 { font-size: clamp(18px, 1.9vw, 23px); }
h4 { font-size: 17.5px; }
p { margin: 0 0 1.05em; }
ul, ol { margin: 0 0 1em; padding-left: 1.35em; }
li { margin: .32em 0; }
strong { font-weight: 700; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 32px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; background: #fff; padding: 10px 16px; z-index: 999; border-radius: 8px; }

/* ---------- 顶部通告条 ---------- */
.topbar { background: var(--brand-2); color: #b9cfec; font-size: 13.5px; letter-spacing: .01em; }
.topbar .wrap { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; min-height: 38px; }
.topbar a { color: #fff; }
.topbar .sep { opacity: .35; }

/* ---------- 导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .25s, border-color .25s;
}
.nav.scrolled { border-bottom-color: var(--line); box-shadow: 0 4px 22px rgba(15, 53, 99, .08); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.brand-mark { height: 44px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.16; }
.brand-text strong { font-size: 19px; font-weight: 700; color: var(--brand-2); letter-spacing: .02em; }
.brand-text em { font-style: normal; font-size: 10.5px; font-weight: 600; letter-spacing: .26em; color: var(--accent); }
.footer .brand-text strong { color: #fff; }
.footer .brand-text em { color: #ff8a76; }
.contact-brand { display: flex; align-items: center; gap: 12px; }
@media (max-width: 640px) {
  .brand-mark { height: 36px; }
  .brand-text strong { font-size: 16px; }
  .brand-text em { font-size: 9px; }
}
.menu { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.menu > li { position: relative; }
.menu a {
  display: block; padding: 10px 15px; font-size: 15.5px; color: var(--ink);
  border-radius: 8px; font-weight: 500; position: relative;
}
.menu a::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 2px; height: 2px;
  background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .22s;
}
.menu a:hover::after, .menu a[aria-current="page"]::after { transform: scaleX(1); }
.menu a:hover, .menu a[aria-current="page"] { color: var(--brand); }
.menu a[aria-current="page"] { font-weight: 700; }
.nav-cta { display: flex; gap: 10px; align-items: center; flex: 0 0 auto; }

.burger { display: none; background: none; border: 1px solid var(--line-2); border-radius: 9px; width: 44px; height: 40px; cursor: pointer; }
.burger span { display: block; height: 2px; background: var(--ink); margin: 5px 9px; border-radius: 2px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; border-radius: 9px; font-size: 15.5px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; transition: .2s; letter-spacing: .01em;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 6px 18px rgba(232, 69, 44, .26); }
.btn-primary:hover { background: #cd3419; color: #fff; transform: translateY(-2px); box-shadow: 0 10px 26px rgba(232, 69, 44, .34); }
.btn-ghost { border-color: var(--line-2); color: var(--brand); background: #fff; }
.btn-ghost:hover { border-color: var(--brand); background: var(--brand); color: #fff; transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--brand); }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0, 0, 0, .22); }
.btn-outline-light { border-color: rgba(255, 255, 255, .55); color: #fff; }
.btn-outline-light:hover { background: #fff; color: var(--brand); }
.btn-sm { padding: 9px 17px; font-size: 14.5px; }
.btn-block { width: 100%; }
.btn-lg { padding: 17px 38px; font-size: 17px; }

/* ---------- 版块 ---------- */
.section { padding: 92px 0; }
.section.tight { padding: 60px 0; }
.section.soft { background: var(--bg-soft); }
.section.deep { background: linear-gradient(160deg, #0a2544 0%, #123a6b 100%); color: #d3e2f5; }
.section.deep h2, .section.deep h3 { color: #fff; }
.section.deep .eyebrow { color: #ff8a6d; }
.sec-head { max-width: 800px; margin: 0 auto 52px; text-align: center; }
.sec-head .eyebrow {
  display: inline-block; font-size: 12.5px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--accent); font-weight: 700; margin-bottom: 14px;
}
.sec-head p { color: var(--ink-2); margin: 0; font-size: 18px; line-height: 1.75; }
.section.deep .sec-head p { color: #a8c3e4; }

/* ---------- 首屏（全幅照片 + 深色遮罩） ---------- */
.hero { position: relative; color: #eaf2fb; overflow: hidden; isolation: isolate; }
.hero-bg { position: absolute; inset: 0; z-index: -2; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(100deg, rgba(8, 24, 45, .93) 0%, rgba(10, 37, 68, .82) 42%, rgba(15, 53, 99, .58) 72%, rgba(15, 53, 99, .42) 100%),
    linear-gradient(180deg, rgba(8, 24, 45, .55) 0%, rgba(8, 24, 45, 0) 30%, rgba(8, 24, 45, .78) 100%);
}
.hero.no-photo::before {
  background:
    radial-gradient(1200px 620px at 82% 18%, rgba(23, 69, 127, .85) 0%, rgba(10, 37, 68, 0) 62%),
    linear-gradient(135deg, #0a2544 0%, #123a6b 52%, #1b4f8f 100%);
}
.hero .wrap { padding: 116px 32px 104px; min-height: 640px; display: flex; flex-direction: column; justify-content: center; }
.hero .hero-inner { max-width: 830px; }
.hero .eyebrow-hero {
  display: inline-flex; align-items: center; gap: 10px; font-size: 13px; letter-spacing: .2em;
  text-transform: uppercase; color: #ffb3a0; font-weight: 700; margin-bottom: 22px;
}
.hero .eyebrow-hero::before { content: ""; width: 34px; height: 2px; background: var(--accent); }
.hero h1 { color: #fff; margin-bottom: 0; text-shadow: 0 2px 26px rgba(0, 0, 0, .34); }
.hero h1 .hl { color: #ffb3a0; }
.hero .lede {
  font-size: clamp(17px, 1.5vw, 20px); color: #cfe0f4; max-width: 720px;
  margin: 24px 0 0; line-height: 1.78; text-shadow: 0 1px 14px rgba(0, 0, 0, .3);
}
.hero .lede strong { color: #fff; }
.hero .badges { display: flex; flex-wrap: wrap; gap: 11px; margin: 32px 0 38px; }
.badge {
  background: rgba(255, 255, 255, .11); border: 1px solid rgba(255, 255, 255, .24);
  color: #fff; padding: 8px 16px; border-radius: 999px; font-size: 13.5px;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.hero .actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-art { display: none; }

/* 首屏底部数据条 */
.hero-stats {
  margin-top: 62px; padding-top: 30px; border-top: 1px solid rgba(255, 255, 255, .18);
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px;
}
.hero-stats .hs b { display: block; font-size: clamp(24px, 2.5vw, 34px); color: #fff; line-height: 1.15; font-weight: 700; letter-spacing: -.02em; }
.hero-stats .hs span { font-size: 13.5px; color: #a8c3e4; }

/* ---------- 独立数据条（非首屏时用） ---------- */
.stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.stat {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 18px; text-align: center; box-shadow: var(--shadow);
}
.stat b { display: block; font-size: 32px; color: var(--brand); line-height: 1.15; letter-spacing: -.02em; }
.stat span { font-size: 13.5px; color: var(--ink-2); }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 26px; }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px 28px; transition: .24s; display: flex; flex-direction: column;
  box-shadow: 0 1px 3px rgba(15, 53, 99, .04);
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: #cfdcef; }
.card h3 { font-size: 20px; margin-bottom: .45em; }
.card p { color: var(--ink-2); font-size: 15.5px; margin-bottom: 0; }
.card .more { margin-top: auto; padding-top: 16px; font-size: 14.5px; font-weight: 600; }
.card .thumb {
  border-radius: 12px; margin-bottom: 18px; background: var(--bg-soft);
  width: 100%; aspect-ratio: 640 / 420; object-fit: cover;
}
/* 带照片的卡片 */
.card.photo { padding: 0; overflow: hidden; }
.card.photo .ph { aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-soft); }
.card.photo .ph img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.card.photo:hover .ph img { transform: scale(1.05); }
.card.photo .card-body { padding: 24px 26px 26px; display: flex; flex-direction: column; flex: 1; }
.card.photo h3 { font-size: 19px; }
.card.photo p { font-size: 15px; }

/* ---------- 资料下载卡 ---------- */
.dl-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card.dl {
  padding: 22px 20px; text-decoration: none; color: var(--ink);
  border: 1px solid var(--line); border-radius: var(--radius); background: #fff;
  display: flex; flex-direction: column; gap: 6px; transition: .22s;
  box-shadow: 0 1px 3px rgba(15, 53, 99, .04);
}
.card.dl:hover { border-color: var(--brand); box-shadow: var(--shadow-md); transform: translateY(-3px); color: var(--ink); }
.dl-ico {
  display: inline-flex; align-self: flex-start; font-size: 11px; font-weight: 700;
  letter-spacing: .08em; color: #fff; background: var(--accent);
  padding: 3px 8px; border-radius: 5px; margin-bottom: 4px;
}
.dl-name { font-size: 15.5px; font-weight: 700; line-height: 1.45; }
.dl-sub { font-size: 13.5px; color: var(--ink-2); line-height: 1.5; }
.dl-go { margin-top: auto; padding-top: 12px; font-size: 14px; font-weight: 600; color: var(--brand); }
.card.dl:hover .dl-go { color: var(--accent); }

/* ---------- 体系认证证书墙 ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cert-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column;
  transition: .24s;
}
.cert-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: var(--brand); }
.cert-img { position: relative; display: block; line-height: 0; background: var(--bg-soft); overflow: hidden; }
.cert-img img { width: 100%; aspect-ratio: 900 / 1274; object-fit: cover; transition: transform .5s ease; }
.cert-card:hover .cert-img img { transform: scale(1.04); }
.cert-zoom {
  position: absolute; left: 0; right: 0; bottom: 0; text-align: center;
  padding: 26px 12px 12px; font-size: 13.5px; font-weight: 600; color: #fff;
  background: linear-gradient(180deg, rgba(8, 24, 45, 0) 0%, rgba(8, 24, 45, .78) 100%);
  opacity: 0; transition: opacity .24s;
}
.cert-img:hover .cert-zoom, .cert-card:hover .cert-zoom { opacity: 1; }
.cert-body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.cert-body h3 { font-size: 18px; margin-bottom: 14px; line-height: 1.4; }
.cert-meta { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 0 0 12px; font-size: 14px; }
.cert-meta dt { color: var(--ink-3); white-space: nowrap; }
.cert-meta dd { margin: 0; color: var(--ink); }
.cert-note { font-size: 14px; color: var(--ink-2); margin-bottom: 16px; }
.cert-dl {
  margin-top: auto; align-self: flex-start; display: inline-block;
  font-size: 14.5px; font-weight: 700; color: var(--brand);
  border-bottom: 2px solid var(--accent); padding-bottom: 2px;
}
.cert-dl:hover { color: var(--accent); }

/* ---------- 首页信任条 ---------- */
.trust-list {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
}
.trust-list li {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; font-size: 17px; font-weight: 600; color: var(--ink);
  display: flex; align-items: center; gap: 12px; box-shadow: 0 1px 3px rgba(15, 53, 99, .04);
}
.trust-list .tick {
  flex: 0 0 auto; width: 30px; height: 30px; border-radius: 50%;
  background: var(--brand); color: #fff; font-size: 16px; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
}

/* ---------- 照片画廊 ---------- */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.gallery .shot {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  background: var(--bg-soft); box-shadow: var(--shadow); line-height: 0;
}
.gallery .shot.wide { grid-column: span 2; }
.gallery .shot img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; transition: transform .55s ease; }
.gallery .shot.wide img { aspect-ratio: 8 / 5; }
.gallery .shot:hover img { transform: scale(1.045); }
.gallery .shot figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 22px 18px; line-height: 1.5;
  font-size: 15px; font-weight: 600; color: #fff;
  background: linear-gradient(180deg, rgba(8, 24, 45, 0) 0%, rgba(8, 24, 45, .82) 100%);
}

/* ---------- 全宽图带 ---------- */
.photo-band { position: relative; min-height: 420px; display: flex; align-items: center; color: #fff; overflow: hidden; }
.photo-band > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.photo-band::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(100deg, rgba(8, 24, 45, .88) 0%, rgba(10, 37, 68, .62) 60%, rgba(15, 53, 99, .38) 100%);
}
.photo-band .wrap { padding: 84px 32px; }
.photo-band h2 { color: #fff; max-width: 640px; }
.photo-band p { color: #cfe0f4; font-size: 18px; max-width: 620px; }

/* ---------- 要点块（GEO 可引用） ---------- */
.keyfacts {
  background: #fff; border-left: 4px solid var(--accent); border-radius: 12px;
  padding: 32px 36px; box-shadow: var(--shadow-md); font-size: 16.5px;
}
.keyfacts h3 { margin-top: 0; font-size: 19px; }
.keyfacts ul { margin: 0; }
.keyfacts li { margin: .55em 0; }

.definition {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px 34px; font-size: 18px; line-height: 1.8;
}
.definition strong { color: var(--brand); }

/* ---------- 品类页：规格速览条 ---------- */
.spec-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin-top: 26px; }
.spec-list .spec { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; box-shadow: var(--shadow); }
.spec-list .spec span { display: block; font-size: 13px; color: var(--ink-3); margin-bottom: 6px; }
.spec-list .spec b { font-size: 16px; color: var(--brand); line-height: 1.45; }
.spec-note { font-size: 13.5px; color: var(--ink-3); margin-top: 12px; }

/* ---------- 品类页：资料索取提示框 ---------- */
.doc-note {
  background: var(--bg-soft); border: 1px dashed var(--line-2); border-radius: 12px;
  padding: 22px 26px; font-size: 15.5px; color: var(--ink-2); line-height: 1.75;
}
.doc-note a { color: var(--brand); text-decoration: underline; }

/* ---------- 品类页：定制能力（OEM / ODM）---------- */
.oem-band { background: linear-gradient(160deg, #0a2544 0%, #16406f 100%); color: #cfe0f4; padding: 78px 0; }
.oem-band h2, .oem-band h3 { color: #fff; }
.oem-band .eyebrow { color: #ff8a6d; }
.oem-band p { color: #cfe0f4; }
.oem-band .card { background: rgba(255, 255, 255, .07); border-color: rgba(255, 255, 255, .16); color: #dbe8f7; }
.oem-band .card p { color: #b9cfec; }
.oem-band .card h3 { color: #fff; }
.oem-band .steps { list-style: none; margin: 26px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.oem-band .steps li { background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .16); border-radius: 12px; padding: 20px 22px; font-size: 15px; }
.oem-band .steps b { display: block; color: #fff; font-size: 16.5px; margin-bottom: 8px; }
.oem-note { font-size: 14px; color: #a8c3e4; margin-top: 22px; }
@media (max-width: 900px) { .oem-band .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .oem-band .steps { grid-template-columns: 1fr; } }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow); }
table { border-collapse: collapse; width: 100%; font-size: 15px; min-width: 640px; }
caption { text-align: left; padding: 14px 18px; font-size: 13.5px; color: var(--ink-3); }
th, td { border-bottom: 1px solid var(--line); padding: 13px 16px; text-align: left; vertical-align: top; }
thead th { background: var(--brand); color: #fff; font-weight: 600; white-space: nowrap; }
tbody tr:nth-child(even) { background: #fafbfd; }
tbody tr:hover { background: #eef4fb; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- 面包屑 ---------- */
.crumbs { font-size: 13.5px; color: var(--ink-3); padding: 22px 0 0; }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; }
.crumbs li + li::before { content: "/"; margin-right: 6px; color: #b6c0cf; }

/* ---------- 页首小标题区 ---------- */
.page-head { background: linear-gradient(160deg, #0a2544 0%, #16406f 100%); color: #d3e2f5; padding: 66px 0 58px; }
.page-head h1 { color: #fff; margin-bottom: .35em; }
.page-head .lede { color: #b9cfec; font-size: 18px; margin: 0; max-width: 780px; }

/* ---------- FAQ 手风琴 ---------- */
.faq { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: #fff; box-shadow: var(--shadow); }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:last-child { border-bottom: 0; }
.faq summary {
  cursor: pointer; padding: 20px 26px; font-weight: 600; font-size: 16.5px;
  list-style: none; display: flex; justify-content: space-between; gap: 16px; align-items: center;
}
.faq summary:hover { background: var(--bg-soft); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-weight: 700; font-size: 22px; line-height: 1; flex: 0 0 auto; }
.faq details[open] summary::after { content: "\2212"; }
.faq details[open] summary { border-bottom: 1px solid var(--line); }
.faq .a { padding: 18px 26px 22px; color: var(--ink-2); font-size: 16px; }
.faq .a p:last-child { margin-bottom: 0; }

/* ---------- 表单 ---------- */
.form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px 34px; box-shadow: var(--shadow-md); }
.form > h3 { margin-top: 0; font-size: 21px; }
.field { margin-bottom: 17px; }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border: 1px solid var(--line-2); border-radius: 10px;
  font: inherit; font-size: 15.5px; background: #fff; color: var(--ink); transition: .18s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid rgba(15, 53, 99, .28); outline-offset: 1px; border-color: var(--brand);
}
.field .hint { font-size: 12.5px; color: var(--ink-3); margin-top: 6px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.consent { font-size: 13.5px; color: var(--ink-2); }
.form-note { font-size: 13.5px; color: var(--ink-3); margin-top: 14px; }
.form-ok { display: none; background: #e8f6ec; border: 1px solid #b7e2c4; color: #1c6b39; padding: 16px 18px; border-radius: 10px; font-size: 15.5px; }

/* ---------- 深色大气 CTA ---------- */
.cta-deep {
  background: linear-gradient(120deg, #0a2544 0%, #123a6b 55%, #1b4f8f 100%);
  color: #d3e2f5; padding: 84px 0; position: relative; overflow: hidden;
}
.cta-deep::after {
  content: ""; position: absolute; right: -140px; top: -140px; width: 460px; height: 460px;
  border-radius: 50%; background: radial-gradient(circle, rgba(232, 69, 44, .30) 0%, rgba(232, 69, 44, 0) 68%);
}
.cta-deep .wrap { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 44px; flex-wrap: wrap; }
.cta-deep h2 { color: #fff; margin-bottom: .3em; }
.cta-deep p { color: #b9cfec; font-size: 18px; margin: 0; max-width: 640px; }

/* ---------- 落地页专用 ---------- */
.lp-hero { background: linear-gradient(120deg, #0a2544, #1b4f8f); color: #eaf2fb; padding: 76px 0 66px; }
.lp-hero h1 { color: #fff; }
.lp-hero .lede { color: #c9dcf3; font-size: 18px; }
.sticky-cta { position: sticky; bottom: 0; z-index: 55; background: rgba(255, 255, 255, .96); backdrop-filter: blur(10px); border-top: 1px solid var(--line); box-shadow: 0 -6px 22px rgba(0, 0, 0, .10); }
.sticky-cta .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 32px; }
.sticky-cta p { margin: 0; font-size: 14.5px; color: var(--ink-2); }

/* ---------- 页脚 ---------- */
.footer { background: var(--bg-deep); color: #b3c7e2; padding: 68px 0 0; font-size: 15px; }
.footer h4 { color: #fff; font-size: 15.5px; margin-bottom: 16px; letter-spacing: .06em; }
.footer a { color: #b3c7e2; }
.footer a:hover { color: #fff; }
.footer .cols { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.3fr; gap: 40px; }
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin: .45em 0; }
.footer .f-bottom {
  border-top: 1px solid rgba(255, 255, 255, .13); margin-top: 48px; padding: 22px 0 30px;
  font-size: 13.5px; color: #8ba5c6; display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between;
}
.footer .f-bottom a { color: #8ba5c6; }
.footer .legal { color: #8ba5c6; }
.footer .icp { display: inline-block; }

/* ---------- 响应式 ---------- */
@media (max-width: 1400px) {
  .gallery { gap: 20px; }
}
@media (max-width: 1100px) {
  .stats, .hero-stats { grid-template-columns: repeat(3, 1fr); }
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .dl-grid { grid-template-columns: repeat(3, 1fr); }
  .footer .cols { grid-template-columns: 1fr 1fr; }
  .hero .wrap { padding: 92px 32px 84px; min-height: 560px; }
}
@media (max-width: 900px) {
  .wrap { padding: 0 24px; }
  .section { padding: 64px 0; }
  .g3 { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .gallery .shot.wide { grid-column: span 2; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-list { grid-template-columns: 1fr; }
  .menu { display: none; }
  .menu.open {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: var(--nav-h); left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 12px 24px 20px;
    box-shadow: var(--shadow-lg);
  }
  .menu.open a { padding: 13px 4px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .menu.open a::after { display: none; }
  .burger { display: block; }
  .nav-cta .btn:not(.btn-primary) { display: none; }
  .hero .wrap { padding: 76px 24px 68px; min-height: 0; }
  .hero-stats { margin-top: 46px; }
  .cta-deep { padding: 60px 0; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  /* 导航紧凑化：缩小 logo 与按钮，防止 390px 宽度下撑破页面 */
  .brand-mark { height: 30px; }
  .brand-text { gap: 1px; }
  .nav .wrap { gap: 10px; }
  .nav-cta { gap: 8px; }
  .nav-cta .btn-sm { padding: 8px 12px; font-size: 13.5px; }
  .topbar { font-size: 12.5px; }
  .topbar .wrap { gap: 10px; min-height: 32px; }
  .section { padding: 48px 0; }
  .g2, .g3, .g4, .gallery { grid-template-columns: 1fr; }
  .gallery .shot.wide { grid-column: span 1; }
  .cert-grid { grid-template-columns: 1fr; }
  .dl-grid { grid-template-columns: repeat(2, 1fr); }
  .stats, .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .field-row { grid-template-columns: 1fr; }
  .footer .cols { grid-template-columns: 1fr; gap: 26px; }
  .sticky-cta .wrap { flex-direction: column; align-items: stretch; text-align: center; }
  .hero .actions .btn { width: 100%; }
  .btn-lg { width: 100%; }
  .keyfacts { padding: 24px 22px; }
  .form { padding: 26px 22px; }
  .photo-band { min-height: 340px; }
  .photo-band .wrap { padding: 56px 24px; }
}

/* ---------- 打印 / 无障碍 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ============================================================
   FAQ 页：搜索栏 / 分类目录 / 分组锚点 / 复制链接
   ============================================================ */
.faq-toolbar { margin: 26px 0 8px; }
.faq-search {
  display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
  padding: 14px 20px; border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff; box-shadow: var(--shadow);
}
.faq-search input {
  flex: 1 1 300px; min-width: 200px; border: 0; outline: none; background: transparent;
  font: inherit; font-size: 16px; color: var(--ink);
}
.faq-search input::placeholder { color: var(--ink-3); }
.faq-count { color: var(--ink-3); font-size: 14px; white-space: nowrap; }
.faq-toc { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.faq-toc-item {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 17px; border: 1px solid var(--line); border-radius: 999px;
  background: #fff; color: var(--ink-2); font-size: 14.5px; line-height: 1.4;
}
.faq-toc-item:hover { border-color: var(--brand); color: var(--brand); background: var(--bg-soft); }
.faq-toc-num { color: var(--ink-3); font-size: 13px; }

.faq-groups { margin-top: 26px; }
.faq-group { scroll-margin-top: calc(var(--nav-h) + 20px); margin-bottom: 42px; }
.faq-group h2 { display: flex; align-items: baseline; gap: 10px; }
.faq-anchor { color: var(--ink-3); font-weight: 400; text-decoration: none; opacity: 0; transition: opacity .18s; }
.faq-group:hover .faq-anchor, .faq-anchor:focus { opacity: 1; }
.faq-group-desc { margin: -6px 0 16px; color: var(--ink-3); font-size: 15.5px; }
.faq .faq-item { scroll-margin-top: calc(var(--nav-h) + 24px); }
.faq .faq-item[hidden] { display: none; }
.faq-copy {
  margin-top: 14px; padding: 6px 13px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg-soft); color: var(--ink-2); font-size: 13px; cursor: pointer;
  font-family: inherit;
}
.faq-copy:hover { border-color: var(--brand); color: var(--brand); }
.faq-copy.done { border-color: #14875a; color: #14875a; }
.faq-empty {
  margin: 28px 0; padding: 20px 22px; border-radius: var(--radius);
  background: var(--bg-soft); color: var(--ink-2);
}
@media (max-width: 640px) {
  .faq-anchor { opacity: 1; }
  .faq-search { padding: 12px 14px; }
}

/* ============================================================
   型号页：型号解读（481 + 厚度 + 颜色）
   ============================================================ */
.code-decode {
  display: flex; align-items: center; flex-wrap: wrap; gap: 10px;
  margin: 18px 0 2px; padding: 12px 16px;
  border: 1px dashed var(--line); border-radius: var(--radius); background: var(--bg-soft);
}
.cd-label { font-size: 13px; color: var(--ink-3); }
.cd-seg {
  display: inline-flex; flex-direction: column; align-items: center;
  padding: 4px 13px; border: 1px solid var(--line); border-radius: 8px; background: #fff;
}
.cd-seg b { font-size: 17px; font-weight: 700; color: var(--brand); letter-spacing: .02em; }
.cd-seg i { font-style: normal; font-size: 12px; color: var(--ink-3); margin-top: 2px; }
.cd-sep { color: var(--ink-3); font-size: 15px; }
.cd-more { margin-left: auto; font-size: 13.5px; white-space: nowrap; }
@media (max-width: 640px) {
  .cd-more { margin-left: 0; }
  .code-decode { padding: 12px 12px; gap: 8px; }
}

/* ============================================================
   型号页：型号解读（481 + 厚度 + 颜色）
   ============================================================ */
.code-decode {
  display: flex; align-items: center; flex-wrap: wrap; gap: 10px;
  margin: 18px 0 2px; padding: 12px 16px;
  border: 1px dashed var(--line); border-radius: var(--radius); background: var(--bg-soft);
}
.cd-label { font-size: 13px; color: var(--ink-3); }
.cd-seg {
  display: inline-flex; flex-direction: column; align-items: center;
  padding: 4px 13px; border: 1px solid var(--line); border-radius: 8px; background: #fff;
}
.cd-seg b { font-size: 17px; font-weight: 700; color: var(--brand); letter-spacing: .02em; }
.cd-seg i { font-style: normal; font-size: 12px; color: var(--ink-3); margin-top: 2px; }
.cd-sep { color: var(--ink-3); font-size: 15px; }
.cd-more { margin-left: auto; font-size: 13.5px; white-space: nowrap; }
@media (max-width: 640px) {
  .cd-more { margin-left: 0; }
  .code-decode { padding: 12px 12px; gap: 8px; }
}

/* ============================================================
   资讯中心：文章列表 / 媒体平台矩阵
   ============================================================ */
.news-group { margin-top: 34px; }
.news-group h2 { border-bottom: 2px solid var(--bg-soft); padding-bottom: 10px; }
.news-list { margin-top: 18px; display: flex; flex-direction: column; gap: 16px; }
.news-item {
  padding: 20px 24px; border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff; transition: border-color .18s, box-shadow .18s;
}
.news-item:hover { border-color: var(--brand); box-shadow: var(--shadow); }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.news-meta time { color: var(--ink-3); font-size: 14px; font-variant-numeric: tabular-nums; }
.news-meta .badge { background: var(--bg-soft); color: var(--brand); border-color: var(--line); }
.news-item h3 { margin: 0 0 8px; font-size: 19px; line-height: 1.5; }
.news-item h3 a { color: var(--ink); }
.news-item h3 a:hover { color: var(--brand); }
.news-item p { margin: 0 0 12px; color: var(--ink-2); }
.news-more { font-size: 15px; font-weight: 600; }

.media-grid { margin-top: 8px; }
.media-card {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 22px 20px 24px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff;
}
.media-card img {
  width: 132px; height: 132px; object-fit: contain; border-radius: 10px;
  border: 1px solid var(--line); background: #fff; margin-bottom: 16px;
}
.media-card h3 { font-size: 18px; margin: 0 0 8px; }
.media-card p { margin: 0 0 16px; color: var(--ink-2); font-size: 15px; }
.media-card .btn { margin-top: auto; }
@media (max-width: 640px) {
  .news-item { padding: 16px 18px; }
  .news-item h3 { font-size: 17px; }
  .media-card img { width: 112px; height: 112px; }
}

/* ============================================================
   资讯中心：文章列表 / 媒体平台矩阵
   ============================================================ */
.news-group { margin-top: 34px; }
.news-group h2 { border-bottom: 2px solid var(--bg-soft); padding-bottom: 10px; }
.news-list { margin-top: 18px; display: flex; flex-direction: column; gap: 16px; }
.news-item {
  padding: 20px 24px; border: 1px solid var(--line); border-radius: var(--radius);
  background: #fff; transition: border-color .18s, box-shadow .18s;
}
.news-item:hover { border-color: var(--brand); box-shadow: var(--shadow); }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.news-meta time { color: var(--ink-3); font-size: 14px; font-variant-numeric: tabular-nums; }
.news-meta .badge { background: var(--bg-soft); color: var(--brand); border-color: var(--line); }
.news-item h3 { margin: 0 0 8px; font-size: 19px; line-height: 1.5; }
.news-item h3 a { color: var(--ink); }
.news-item h3 a:hover { color: var(--brand); }
.news-item p { margin: 0 0 12px; color: var(--ink-2); }
.news-more { font-size: 15px; font-weight: 600; }

.media-grid { margin-top: 8px; }
.media-card {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 22px 20px 24px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff;
}
.media-card img {
  width: 132px; height: 132px; object-fit: contain; border-radius: 10px;
  border: 1px solid var(--line); background: #fff; margin-bottom: 16px;
}
.media-card h3 { font-size: 18px; margin: 0 0 8px; }
.media-card p { margin: 0 0 16px; color: var(--ink-2); font-size: 15px; }
.media-card .btn { margin-top: auto; }
@media (max-width: 640px) {
  .news-item { padding: 16px 18px; }
  .news-item h3 { font-size: 17px; }
  .media-card img { width: 112px; height: 112px; }
}

/* ============================================================
   英文版 /en/：导航语言切换
   ============================================================ */
.menu .lang a {
  display: inline-block; padding: 4px 10px; margin-left: 4px;
  border: 1px solid var(--line); border-radius: 999px;
  font-size: 13px; color: var(--ink-2); background: var(--bg-soft);
}
.menu .lang a:hover { border-color: var(--brand); color: var(--brand); }
@media (max-width: 900px) {
  .menu .lang a { padding: 3px 9px; font-size: 12.5px; }
}

/* ============================================================
   英文版 /en/：导航语言切换
   ============================================================ */
.menu .lang a {
  display: inline-block; padding: 4px 10px; margin-left: 4px;
  border: 1px solid var(--line); border-radius: 999px;
  font-size: 13px; color: var(--ink-2); background: var(--bg-soft);
}
.menu .lang a:hover { border-color: var(--brand); color: var(--brand); }
@media (max-width: 900px) {
  .menu .lang a { padding: 3px 9px; font-size: 12.5px; }
}

/* ============================================================
   应用场景页：产品爆炸图（手机 / 汽车 / 冰箱电视）
   ============================================================ */
.exploded-grid {
  margin-top: 36px; display: grid; grid-template-columns: 1fr; gap: 26px;
}
@media (min-width: 1080px) {
  .exploded-grid { grid-template-columns: 1fr 1fr; }
  .exploded-grid > .exploded:first-child { grid-column: 1 / -1; }
}
.exploded {
  margin: 0; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow);
}
.exploded img { display: block; width: 100%; height: auto; }
.exploded figcaption {
  padding: 13px 18px; font-size: 14px; font-weight: 600; color: var(--ink-2);
  border-top: 1px solid var(--line); background: var(--bg-soft);
}
@media (max-width: 640px) {
  .exploded figcaption { font-size: 13px; padding: 11px 14px; }
}

/* ============================================================
   合作客户页：按行业分组的客户 Logo 墙
   ============================================================ */
.logo-wall { margin-top: 30px; display: flex; flex-direction: column; gap: 30px; }
.logo-group h3 {
  margin: 0 0 14px; font-size: 17px; color: var(--brand);
  padding-left: 12px; border-left: 4px solid var(--accent);
}
.logo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
@media (min-width: 560px) { .logo-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) { .logo-grid { grid-template-columns: repeat(4, 1fr); } }
.logo-card {
  display: flex; align-items: center; justify-content: center;
  min-height: 86px; padding: 14px 12px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color .18s, box-shadow .18s;
}
.logo-card:hover { border-color: var(--brand); box-shadow: var(--shadow); }
.logo-card img { max-width: 100%; max-height: 54px; object-fit: contain; }
.logo-ph span { font-size: 16.5px; font-weight: 700; color: var(--ink-2); }
@media (max-width: 640px) {
  .logo-grid { gap: 10px; }
  .logo-card { min-height: 72px; }
  .logo-ph span { font-size: 15px; }
}

/* ==========================================================
   老站 dorantape.com 真实产品数据（18 分类 / 134 款产品）
   ========================================================== */

/* 分类卡网格 */
.cat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
}
.cat-card {
  display: flex; flex-direction: column; gap: 10px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 22px 22px 20px; transition: .24s; text-decoration: none; color: inherit;
}
.cat-card:hover {
  box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: #cfdcef;
}
.cat-card h3 { font-size: 18px; margin: 0; line-height: 1.35; }
.cat-card .badge {
  align-self: flex-start; font-size: 12.5px; font-weight: 600;
  padding: 3px 10px; border-radius: 999px; white-space: nowrap;
}
.cat-card p { color: var(--ink-2); font-size: 14px; margin: 0; line-height: 1.62; }
.cat-card .more {
  margin-top: auto; padding-top: 8px; font-size: 14px; font-weight: 600; color: var(--brand);
}

/* 产品卡（图 + 名称 + 简介） */
.legacy-card { padding: 0; overflow: hidden; }
.legacy-card .ph {
  display: block; background: var(--bg-soft); line-height: 0; overflow: hidden;
}
.legacy-card .ph img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  transition: transform .5s ease; display: block;
}
.legacy-card:hover .ph img { transform: scale(1.05); }
.legacy-card .card-body { padding: 20px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.legacy-card h3 { font-size: 17px; margin-bottom: .5em; line-height: 1.4; }
.legacy-card h3 a { color: inherit; text-decoration: none; }
.legacy-card h3 a:hover { color: var(--brand-3); }
.legacy-card p {
  color: var(--ink-2); font-size: 14px; margin-bottom: 0; line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.legacy-card .more { margin-top: auto; padding-top: 14px; font-size: 14px; font-weight: 600; }

/* 产品网格间距稍紧，134 款产品平铺也不显散 */
.legacy-grid { gap: 20px; }

@media (max-width: 1080px) {
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 820px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .legacy-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .cat-grid { grid-template-columns: 1fr; }
  .legacy-grid { grid-template-columns: 1fr; }
  .legacy-card .card-body { padding: 16px 16px 18px; }
  .legacy-card h3 { font-size: 16px; }
}

/* 首页 ISO9001 认证信任带 */
.cert-band {
  display: flex; align-items: center; gap: 36px;
  max-width: 980px; margin: 0 auto;
}
.cert-badge { flex: 0 0 auto; line-height: 0; }
.cert-badge img {
  width: 132px; height: 132px; border-radius: 50%;
  box-shadow: 0 6px 22px rgba(29, 78, 137, .18); background: #fff;
}
.cert-text h2 { font-size: 22px; margin-bottom: 8px; }
.cert-text p { color: var(--ink-2); margin-bottom: 12px; }
.cert-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.cert-list li { font-size: 14.5px; color: var(--ink-2); }

/* 其余品类紧凑条目 */
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-block; padding: 7px 14px; border-radius: 999px;
  background: var(--bg-soft); border: 1px solid var(--line);
  color: var(--ink); font-size: 14px; text-decoration: none; transition: .2s;
}
.chip:hover { border-color: var(--brand); color: var(--brand); background: #fff; }

@media (max-width: 720px) {
  .cert-band { flex-direction: column; text-align: center; gap: 22px; }
  .cert-list { text-align: left; }
  .cert-badge img { width: 110px; height: 110px; }
}

/* ==========================================================
   案例爆炸图标注层 + 紧凑客户墙（2026-10-23）
   ========================================================== */
.ph.exploded { position: relative; background: #fff; padding: 6px; }
.ph.exploded img { object-fit: contain; background: #fff; }
.pin { position: absolute; z-index: 2; width: 16px; height: 16px; margin: -8px 0 0 -8px; }
.pin i {
  display: block; width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent); border: 3px solid #fff;
  box-shadow: 0 1px 6px rgba(0, 0, 0, .35);
  animation: pin-pulse 2.4s infinite;
}
.pin em {
  position: absolute; left: 20px; top: 50%; transform: translateY(-50%);
  white-space: normal; max-width: 210px;
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  padding: 4px 9px; font-size: 12px; font-style: normal; line-height: 1.45;
  color: var(--ink); text-align: left;
  box-shadow: 0 2px 10px rgba(0, 0, 0, .10);
}
@keyframes pin-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(232, 69, 44, .35); }
  50% { box-shadow: 0 0 0 8px rgba(232, 69, 44, 0); }
}
@media (max-width: 720px) {
  .pin em { font-size: 11px; max-width: 150px; padding: 3px 6px; }
}

/* 紧凑客户墙：chip 流式排列，篇幅约为原大卡片的 1/3 */
.logo-wall.logo-compact .logo-group { margin-bottom: 14px; }
.logo-wall.logo-compact .logo-group:last-child { margin-bottom: 0; }
.logo-wall.logo-compact h3 {
  font-size: 14px; margin: 0 0 8px; color: var(--ink-3); font-weight: 600;
}
.chip.logo-chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; padding: 5px 12px;
}
.chip.logo-chip img { width: 18px; height: 18px; object-fit: contain; }

/* ==========================================================
   首页 · 集团发展历程时间线（2026-10-23）
   ========================================================== */
.timeline {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 28px 20px;
  counter-reset: tl;
}
.timeline li { position: relative; padding-top: 18px; }
.timeline li::before {
  /* 节点间连线（桌面） */
  content: ""; position: absolute; top: 7px; left: 0; right: 0;
  height: 2px; background: var(--line);
}
.timeline li:last-child::before { right: 40%; }
.timeline li:first-child::before { left: 0; }
.tl-dot {
  position: absolute; top: 0; left: 0; z-index: 1;
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--accent); border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--accent);
}
.tl-date {
  display: inline-block; margin: 2px 0 10px;
  font-size: 14px; font-weight: 700; color: var(--brand);
  letter-spacing: .02em;
}
.timeline h3 { font-size: 15.5px; line-height: 1.5; margin: 0 0 8px; }
.timeline p { margin: 0; font-size: 13px; color: var(--ink-3); }
.timeline .tl-loc { margin-top: 3px; }
@media (max-width: 1080px) {
  .timeline { grid-template-columns: repeat(3, 1fr); gap: 26px 22px; }
  .timeline li::before { display: none; }
}
@media (max-width: 640px) {
  .timeline { grid-template-columns: 1fr; gap: 22px; padding-left: 24px; }
  .timeline li { padding-top: 0; padding-left: 6px; border-left: 2px solid var(--line); }
  .timeline li:last-child { border-left-color: transparent; }
  .tl-dot { top: 4px; left: -32px; }
}

/* 发展历程时间线图（关于页） */
.milestone-fig { margin: 8px 0 0; }
.milestone-fig img {
  width: 100%; max-width: 1080px; display: block; margin: 0 auto;
  border-radius: 12px; border: 1px solid var(--line); background: #fff;
}
.milestone-fig figcaption {
  text-align: center; margin-top: 10px;
  font-size: 13px; color: var(--ink-3);
}

/* 资讯页 · 官网文章板块 + 文章页（2026-10-24） */
.article-card { display: flex; flex-direction: column; }
.article-card h3 a { color: var(--ink); }
.article-card h3 a:hover { color: var(--brand); }
.article-card .more { margin-top: auto; align-self: flex-start; }
.article-body h2 { font-size: 21px; margin: 30px 0 12px; }
.article-body p { line-height: 1.9; margin: 0 0 14px; color: var(--ink); }
.article-body > h2:first-child { margin-top: 6px; }