/* ============================================================
   一泽眼镜 官网 VI 设计系统
   Palette: deep teal (专业) + mint (清澈) + champagne gold (质感)
   ============================================================ */
:root {
  --teal-900: #06282B;
  --teal-800: #0A3B3E;
  --teal-700: #0F5551;
  --teal-600: #147069;
  --teal-500: #1C8C82;
  --mint-400: #56C4B8;
  --mint-300: #8FDCD2;
  --mint-100: #DDF3F0;
  --mint-50: #F1FAF8;
  --gold-600: #A98442;
  --gold-500: #C6A466;
  --gold-300: #E4CFA3;
  --gold-50: #FBF6EC;

  --ink: #0D2226;
  --ink-2: #24454A;
  --muted: #5E7B80;
  --muted-2: #8CA3A7;
  --line: #E2ECEC;
  --line-2: #EFF5F5;
  --bg: #FFFFFF;
  --bg-soft: #F5FAF9;
  --bg-deep: #06282B;

  --radius-s: 8px;
  --radius: 14px;
  --radius-l: 22px;
  --shadow-s: 0 2px 10px rgba(6, 40, 43, .05);
  --shadow: 0 10px 30px rgba(6, 40, 43, .08);
  --shadow-l: 0 24px 60px rgba(6, 40, 43, .14);

  --serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei UI", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;

  --maxw: 1220px;
  --nav-h: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.8;
  -webkit-font-smoothing: antialiased; letter-spacing: .01em;
}
img { max-width: 100%; display: block; }
a { color: var(--teal-600); text-decoration: none; transition: color .2s; }
a:hover { color: var(--teal-500); }
h1,h2,h3,h4 { font-family: var(--serif); font-weight: 700; line-height: 1.35; color: var(--ink); margin: 0 0 .6em; letter-spacing: .01em; }
p { margin: 0 0 1em; }
ul,ol { margin: 0 0 1em; padding-left: 1.3em; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 880px; margin: 0 auto; padding: 0 24px; }

/* ---------- Skip / a11y ---------- */
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; z-index: 999; background: #fff; padding: 10px 16px; border-radius: 8px; }

/* ============ NAV ============ */
.nav {
  position: sticky; top: 0; z-index: 100; height: var(--nav-h);
  background: rgba(255,255,255,.92); backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line-2); transition: box-shadow .25s;
}
.nav.scrolled { box-shadow: 0 4px 24px rgba(6,40,43,.07); }
.nav-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; height: 100%; display: flex; align-items: center; gap: 28px; }
.logo { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.logo-mark { width: 40px; height: 40px; flex-shrink: 0; }
.logo-txt { display: flex; flex-direction: column; line-height: 1.15; }
.logo-cn { font-family: var(--serif); font-size: 20px; font-weight: 700; color: var(--teal-800); letter-spacing: .06em; }
.logo-en { font-size: 9.5px; color: var(--muted-2); letter-spacing: .22em; font-weight: 600; }
.nav-menu { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav-menu > li { list-style: none; position: relative; }
.nav-menu a {
  display: block; padding: 8px 13px; font-size: 14.5px; color: var(--ink-2); font-weight: 500;
  border-radius: 8px; white-space: nowrap; transition: all .18s;
}
.nav-menu a:hover, .nav-menu a.active { background: var(--mint-50); color: var(--teal-600); }
.nav-menu a.active { font-weight: 600; }
.nav-sub { position: absolute; top: calc(100% + 8px); left: 0; min-width: 208px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 8px; opacity: 0; visibility: hidden; transform: translateY(-6px); transition: all .2s; list-style: none; margin: 0; }
.nav-menu > li:hover .nav-sub { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-sub a { padding: 9px 12px; font-size: 14px; }
.nav-tel {
  display: flex; align-items: center; gap: 8px; margin-left: 14px; padding: 10px 18px;
  background: linear-gradient(135deg, var(--teal-700), var(--teal-500)); color: #fff !important;
  border-radius: 999px; font-size: 14.5px; font-weight: 600; letter-spacing: .02em;
  box-shadow: 0 6px 18px rgba(20,112,105,.26); white-space: nowrap;
}
.nav-tel:hover { transform: translateY(-1px); box-shadow: 0 8px 22px rgba(20,112,105,.34); }
.nav-toggle { display: none; margin-left: auto; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; transition: .25s; }

/* ============ BUTTONS ============ */
.btn { display: inline-flex; align-items: center; gap: 9px; padding: 14px 30px; border-radius: 999px;
  font-size: 15px; font-weight: 600; cursor: pointer; border: 1.5px solid transparent; transition: all .22s; font-family: var(--sans); }
.btn-primary { background: linear-gradient(135deg, var(--teal-700), var(--teal-500)); color: #fff; box-shadow: 0 10px 26px rgba(20,112,105,.28); }
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 14px 32px rgba(20,112,105,.36); }
.btn-ghost { background: rgba(255,255,255,.10); color: #fff; border-color: rgba(255,255,255,.42); backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255,255,255,.2); color: #fff; }
.btn-outline { background: #fff; color: var(--teal-600); border-color: var(--line); }
.btn-outline:hover { border-color: var(--teal-500); background: var(--mint-50); }
.btn-gold { background: linear-gradient(135deg, var(--gold-600), var(--gold-500)); color: #fff; box-shadow: 0 10px 26px rgba(169,132,66,.26); }
.btn-gold:hover { color: #fff; transform: translateY(-2px); }
.btn-sm { padding: 9px 20px; font-size: 13.5px; }

/* ============ SECTION HEAD ============ */
.sec { padding: 96px 0; }
.sec-soft { background: var(--bg-soft); }
.sec-deep { background: var(--bg-deep); color: #DCEDEB; }
.sec-deep h2, .sec-deep h3 { color: #fff; }
.sec-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.sec-head.left { text-align: left; margin-left: 0; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 700;
  letter-spacing: .26em; color: var(--teal-500); text-transform: uppercase; margin-bottom: 14px; }
.eyebrow::before { content: ""; width: 26px; height: 1.5px; background: var(--gold-500); }
.sec-title { font-size: clamp(27px, 3.5vw, 40px); margin-bottom: 16px; }
.sec-sub { font-size: 16.5px; color: var(--muted); margin: 0; }
.sec-deep .sec-sub { color: #9FC4C0; }

/* ============ HERO ============ */
.hero { position: relative; min-height: 640px; display: flex; align-items: center; overflow: hidden; background: var(--teal-900); }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .40; }
.hero-bg::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(6,40,43,.94) 0%, rgba(6,40,43,.78) 42%, rgba(6,40,43,.42) 100%); }
.hero-inner { position: relative; z-index: 2; max-width: var(--maxw); margin: 0 auto; padding: 110px 24px; width: 100%; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 9px; padding: 7px 17px; border-radius: 999px;
  background: rgba(143,220,210,.13); border: 1px solid rgba(143,220,210,.30); color: var(--mint-300);
  font-size: 13px; font-weight: 600; letter-spacing: .08em; margin-bottom: 26px; }
.hero-eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--mint-400); box-shadow: 0 0 0 3px rgba(86,196,184,.25); }
.hero h1 { font-size: clamp(34px, 5.6vw, 62px); line-height: 1.24; color: #fff; margin-bottom: 24px; max-width: 15em; white-space: pre-line; }
.hero h1 em { font-style: normal; color: var(--mint-300); }
.hero-desc { font-size: 17px; line-height: 1.95; color: #B9D6D2; max-width: 40em; margin-bottom: 38px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 32px; flex-wrap: wrap; margin-top: 46px; padding-top: 30px; border-top: 1px solid rgba(255,255,255,.13); }
.hero-meta-item { color: #9FC4C0; font-size: 14px; display: flex; align-items: center; gap: 9px; }
.hero-meta-item b { color: #fff; font-weight: 600; }

/* ============ STATS ============ */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; background: #fff;
  border-radius: var(--radius-l); box-shadow: var(--shadow-l); margin-top: -62px; position: relative; z-index: 5; overflow: hidden; }
.stat { padding: 36px 26px; text-align: center; border-right: 1px solid var(--line-2); }
.stat:last-child { border-right: 0; }
.stat-num { font-family: var(--serif); font-size: 42px; font-weight: 700; color: var(--teal-700); line-height: 1; }
.stat-num span { font-size: 17px; color: var(--gold-600); margin-left: 3px; }
.stat-label { font-size: 13.5px; color: var(--muted); margin-top: 11px; }

/* ============ CARD GRID ============ */
.grid { display: grid; gap: 26px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }

.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); padding: 34px 30px;
  transition: all .3s cubic-bezier(.2,.7,.3,1); position: relative; overflow: hidden; }
.card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--teal-500), var(--mint-400), var(--gold-500)); transform: scaleX(0); transform-origin: left; transition: transform .4s; }
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--mint-100); }
.card:hover::before { transform: scaleX(1); }
.card-icon { width: 56px; height: 56px; border-radius: 16px; background: linear-gradient(140deg, var(--mint-50), var(--mint-100));
  display: flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 20px; }
.card h3 { font-size: 20px; margin-bottom: 12px; }
.card p { font-size: 14.8px; color: var(--muted); line-height: 1.85; margin: 0; }
.card-tag { position: absolute; top: 22px; right: 22px; font-size: 11px; font-weight: 700; letter-spacing: .06em;
  color: var(--gold-600); background: var(--gold-50); border: 1px solid var(--gold-300); padding: 3px 10px; border-radius: 999px; }
.card-list { list-style: none; padding: 0; margin: 18px 0 0; }
.card-list li { font-size: 13.6px; color: var(--ink-2); padding: 6px 0 6px 20px; position: relative; }
.card-list li::before { content: ""; position: absolute; left: 0; top: 15px; width: 6px; height: 6px; border-radius: 50%; background: var(--mint-400); }

/* ============ SPLIT ============ */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 66px; align-items: center; }
.split.rev { grid-template-columns: 1fr 1.05fr; }
.split-media { position: relative; border-radius: var(--radius-l); overflow: hidden; box-shadow: var(--shadow-l); }
.split-media img { width: 100%; height: 100%; min-height: 380px; object-fit: cover; }
.split-media::after { content: ""; position: absolute; inset: 0; border: 1px solid rgba(255,255,255,.3); border-radius: var(--radius-l); pointer-events: none; }
.split-badge { position: absolute; bottom: 24px; left: 24px; background: rgba(6,40,43,.86); backdrop-filter: blur(8px);
  color: #fff; padding: 13px 20px; border-radius: 12px; font-size: 13.5px; line-height: 1.6; max-width: 78%; }
.split-body p { color: var(--muted); font-size: 16px; line-height: 2; }
.check-list { list-style: none; padding: 0; margin: 26px 0 0; }
.check-list li { position: relative; padding: 10px 0 10px 32px; font-size: 15px; color: var(--ink-2); border-bottom: 1px dashed var(--line); }
.check-list li:last-child { border-bottom: 0; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 10px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--mint-100); color: var(--teal-600); font-size: 12px; font-weight: 800; display: flex; align-items: center; justify-content: center; }

/* ============ PROCESS ============ */
.process { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.pstep { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 20px; position: relative; transition: .28s; }
.pstep:hover { border-color: var(--mint-300); box-shadow: var(--shadow-s); transform: translateY(-4px); }
.pstep-n { font-family: var(--serif); font-size: 30px; font-weight: 700; color: var(--mint-300); line-height: 1; margin-bottom: 12px; }
.pstep h4 { font-size: 15.5px; margin-bottom: 8px; }
.pstep p { font-size: 13.2px; color: var(--muted); line-height: 1.75; margin: 0; }

/* ============ GALLERY ============ */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.gitem { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3; background: var(--mint-50); }
.gitem img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2,.7,.3,1); }
.gitem:hover img { transform: scale(1.07); }
.gitem figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 30px 18px 15px; font-size: 13.2px; color: #fff;
  background: linear-gradient(transparent, rgba(6,40,43,.88)); }

/* ============ PAGE HERO ============ */
.phero { position: relative; background: var(--teal-900); overflow: hidden; }
.phero-bg { position: absolute; inset: 0; }
.phero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .3; }
.phero-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(95deg, rgba(6,40,43,.93), rgba(6,40,43,.62)); }
.phero-inner { position: relative; z-index: 2; max-width: var(--maxw); margin: 0 auto; padding: 76px 24px 66px; }
.phero h1 { color: #fff; font-size: clamp(28px, 4vw, 44px); margin-bottom: 16px; }
.phero p { color: #A9CCC8; font-size: 16.5px; max-width: 54em; line-height: 1.95; margin: 0; }

/* ============ BREADCRUMB ============ */
.crumb { background: var(--bg-soft); border-bottom: 1px solid var(--line-2); }
.crumb ol { list-style: none; display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  max-width: var(--maxw); margin: 0 auto; padding: 14px 24px; font-size: 13.2px; color: var(--muted-2); }
.crumb li { display: flex; align-items: center; gap: 8px; }
.crumb li + li::before { content: "›"; color: var(--muted-2); }
.crumb a { color: var(--muted); }
.crumb a:hover { color: var(--teal-600); }
.crumb [aria-current] { color: var(--ink-2); font-weight: 600; }

/* ============ ARTICLE ============ */
.article-layout { display: grid; grid-template-columns: minmax(0,1fr) 306px; gap: 54px; align-items: start; }
.article { background: #fff; }
.article-head { border-bottom: 1px solid var(--line); padding-bottom: 26px; margin-bottom: 32px; }
.article-head h1 { font-size: clamp(25px, 3.2vw, 36px); line-height: 1.42; margin-bottom: 18px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; font-size: 13.2px; color: var(--muted-2); align-items: center; }
.article-meta .pill { background: var(--mint-50); color: var(--teal-600); padding: 3px 12px; border-radius: 999px; font-weight: 600; }
.answer-box { background: linear-gradient(135deg, var(--mint-50), #fff); border: 1px solid var(--mint-100);
  border-left: 4px solid var(--teal-500); border-radius: var(--radius); padding: 24px 26px; margin-bottom: 32px; }
.answer-box .lbl { font-size: 12px; font-weight: 800; letter-spacing: .18em; color: var(--teal-500); margin-bottom: 9px; }
.answer-box p { margin: 0; font-size: 16px; line-height: 1.95; color: var(--ink-2); }
.prose { font-size: 16.2px; line-height: 2.02; color: #223A3E; }
.prose h3 { font-size: 21px; margin: 2.2em 0 .8em; padding-left: 15px; border-left: 4px solid var(--mint-400); }
.prose h4 { font-size: 17.5px; margin: 1.8em 0 .6em; color: var(--teal-700); }
.prose p { margin: 0 0 1.15em; }
.prose ul, .prose ol { margin: 0 0 1.3em; padding-left: 1.5em; }
.prose li { margin-bottom: .55em; }
.prose strong { color: var(--teal-700); font-weight: 700; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.6em 0; font-size: 14.6px; box-shadow: var(--shadow-s); border-radius: 10px; overflow: hidden; }
.prose th { background: var(--teal-800); color: #fff; padding: 13px 15px; text-align: left; font-weight: 600; }
.prose td { padding: 12px 15px; border-bottom: 1px solid var(--line); color: var(--ink-2); }
.prose tbody tr:nth-child(even) { background: var(--mint-50); }
.prose tbody tr:last-child td { border-bottom: 0; }
.prose blockquote { margin: 1.6em 0; padding: 16px 22px; background: var(--gold-50); border-left: 4px solid var(--gold-500); border-radius: 0 10px 10px 0; color: var(--ink-2); }

/* sidebar */
.side { position: sticky; top: calc(var(--nav-h) + 22px); display: flex; flex-direction: column; gap: 20px; }
.side-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.side-card h4 { font-size: 15.5px; margin-bottom: 14px; padding-bottom: 11px; border-bottom: 1px solid var(--line-2); }
.side-card ul { list-style: none; padding: 0; margin: 0; }
.side-card li { padding: 8px 0; border-bottom: 1px dashed var(--line-2); font-size: 13.8px; line-height: 1.6; }
.side-card li:last-child { border-bottom: 0; }
.side-cta { background: linear-gradient(150deg, var(--teal-800), var(--teal-600)); color: #fff; border: 0; }
.side-cta h4 { color: #fff; border-color: rgba(255,255,255,.16); }
.side-cta p { font-size: 13.6px; color: #A9CCC8; margin-bottom: 16px; }
.side-tel { font-family: var(--serif); font-size: 25px; font-weight: 700; color: #fff; letter-spacing: .02em; display: block; margin-bottom: 6px; }
.side-tel:hover { color: var(--mint-300); }
.side-hours { font-size: 12.8px; color: #8FBDB8; }

/* ============ LIST CARDS ============ */
.post-list { display: grid; gap: 22px; }
.post { display: grid; grid-template-columns: 262px 1fr; gap: 26px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); overflow: hidden; transition: .3s; }
.post:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: var(--mint-100); }
.post-img { position: relative; overflow: hidden; background: var(--mint-50); min-height: 178px; }
.post-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.post:hover .post-img img { transform: scale(1.06); }
.post-body { padding: 26px 28px 26px 0; display: flex; flex-direction: column; }
.post-body.nopad { padding: 28px; }
.post-tags { display: flex; gap: 10px; align-items: center; margin-bottom: 11px; flex-wrap: wrap; }
.tag { font-size: 11.5px; font-weight: 700; letter-spacing: .05em; padding: 3px 11px; border-radius: 999px;
  background: var(--mint-50); color: var(--teal-600); border: 1px solid var(--mint-100); }
.tag.gold { background: var(--gold-50); color: var(--gold-600); border-color: var(--gold-300); }
.tag.dim { background: var(--bg-soft); color: var(--muted); border-color: var(--line); }
.post h3 { font-size: 19.5px; margin-bottom: 10px; line-height: 1.5; }
.post h3 a { color: var(--ink); }
.post h3 a:hover { color: var(--teal-600); }
.post p { font-size: 14.4px; color: var(--muted); line-height: 1.85; margin: 0 0 auto; }
.post-foot { display: flex; align-items: center; gap: 16px; font-size: 12.8px; color: var(--muted-2); margin-top: 16px; }
.post-foot .more { margin-left: auto; color: var(--teal-600); font-weight: 600; }

/* ============ FAQ ACCORDION ============ */
.acc { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.acc-item + .acc-item { border-top: 1px solid var(--line-2); }
.acc-q { width: 100%; text-align: left; background: none; border: 0; padding: 19px 54px 19px 24px; font-size: 15.8px;
  font-weight: 600; color: var(--ink); cursor: pointer; position: relative; font-family: var(--sans); line-height: 1.6; transition: background .2s; }
.acc-q:hover { background: var(--mint-50); }
.acc-q::after { content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
  font-size: 22px; font-weight: 300; color: var(--teal-500); transition: transform .28s; }
.acc-item.open .acc-q::after { transform: translateY(-50%) rotate(45deg); }
.acc-item.open .acc-q { background: var(--mint-50); color: var(--teal-700); }
.acc-a { max-height: 0; overflow: hidden; transition: max-height .38s cubic-bezier(.4,0,.2,1); }
.acc-a-in { padding: 4px 26px 24px; font-size: 14.8px; line-height: 1.95; color: var(--muted); white-space: pre-line; border-top: 1px solid var(--line-2); padding-top: 18px; }

.dim-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.dim-tab { padding: 10px 20px; border-radius: 999px; border: 1px solid var(--line); background: #fff; cursor: pointer;
  font-size: 14px; font-weight: 600; color: var(--muted); transition: .2s; font-family: var(--sans); }
.dim-tab:hover { border-color: var(--mint-300); color: var(--teal-600); }
.dim-tab.active { background: var(--teal-700); border-color: var(--teal-700); color: #fff; }
.dim-panel { display: none; }
.dim-panel.active { display: block; animation: fadeUp .35s ease; }

/* ============ FILTER CHIPS ============ */
.chips { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 32px; }
.chip { padding: 8px 18px; border-radius: 999px; border: 1px solid var(--line); background: #fff;
  font-size: 13.5px; color: var(--muted); cursor: pointer; transition: .2s; font-family: var(--sans); }
.chip:hover { border-color: var(--mint-300); color: var(--teal-600); }
.chip.active { background: var(--mint-50); border-color: var(--teal-500); color: var(--teal-700); font-weight: 600; }

/* ============ TABLES / SPECS ============ */
.spec-table { width: 100%; border-collapse: collapse; font-size: 14.4px; }
.spec-table th { text-align: left; padding: 12px 16px; background: var(--bg-soft); color: var(--ink-2); font-weight: 600; width: 34%; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table td { padding: 12px 16px; border-bottom: 1px solid var(--line); color: var(--muted); }

/* ============ DEVICE BLOCK ============ */
.device { display: grid; grid-template-columns: 420px 1fr; gap: 42px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-l); overflow: hidden; margin-bottom: 34px; }
.device-media { position: relative; background: var(--mint-50); }
.device-media img { width: 100%; height: 100%; min-height: 330px; object-fit: cover; }
.device-reg { position: absolute; top: 16px; left: 16px; background: rgba(6,40,43,.9); color: var(--mint-300);
  font-size: 12px; padding: 6px 13px; border-radius: 999px; font-weight: 600; letter-spacing: .03em; }
.device-body { padding: 34px 34px 34px 0; }
.device-body h3 { font-size: 23px; margin-bottom: 4px; }
.device-en { font-size: 12.5px; color: var(--muted-2); letter-spacing: .1em; margin-bottom: 20px; text-transform: uppercase; }

/* ============ CERT GRID ============ */
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cert { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: .3s; }
.cert:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.cert-img { background: var(--bg-soft); padding: 16px; display: flex; align-items: center; justify-content: center; height: 300px; }
.cert-img img { max-height: 100%; width: auto; object-fit: contain; border-radius: 6px; box-shadow: var(--shadow-s); }
.cert-cap { padding: 16px 18px; border-top: 1px solid var(--line-2); }
.cert-cap h4 { font-size: 15.5px; margin-bottom: 6px; }
.cert-cap p { font-size: 12.8px; color: var(--muted); margin: 0; line-height: 1.7; }

/* ============ CTA BAND ============ */
.cta-band { background: linear-gradient(120deg, var(--teal-800) 0%, var(--teal-600) 62%, var(--teal-500) 100%);
  border-radius: var(--radius-l); padding: 56px 58px; display: grid; grid-template-columns: 1fr auto; gap: 40px;
  align-items: center; position: relative; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; right: -80px; top: -80px; width: 340px; height: 340px; border-radius: 50%;
  background: radial-gradient(circle, rgba(143,220,210,.22), transparent 70%); }
.cta-band h2 { color: #fff; font-size: 30px; margin-bottom: 10px; position: relative; }
.cta-band p { color: #B9D6D2; margin: 0; font-size: 15.5px; position: relative; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; position: relative; }

/* ============ CONTACT ============ */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.info-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); padding: 34px; }
.info-row { display: flex; gap: 16px; padding: 17px 0; border-bottom: 1px dashed var(--line); }
.info-row:last-child { border-bottom: 0; }
.info-ico { width: 42px; height: 42px; flex-shrink: 0; border-radius: 12px; background: var(--mint-50);
  display: flex; align-items: center; justify-content: center; font-size: 19px; }
.info-row dt { font-size: 12.5px; color: var(--muted-2); letter-spacing: .05em; margin-bottom: 3px; }
.info-row dd { margin: 0; font-size: 15.5px; color: var(--ink); font-weight: 500; line-height: 1.65; }
.info-row dd a { color: var(--teal-600); }
.big-tel { font-family: var(--serif); font-size: 30px; font-weight: 700; color: var(--teal-700); letter-spacing: .02em; }

.form-card { background: linear-gradient(160deg, var(--teal-800), var(--teal-600)); border-radius: var(--radius-l); padding: 36px; color: #fff; }
.form-card h3 { color: #fff; }
.form-card p { color: #A9CCC8; font-size: 14.2px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: #C6E2DE; margin-bottom: 7px; font-weight: 500; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 15px; border-radius: 10px; border: 1px solid rgba(255,255,255,.22);
  background: rgba(255,255,255,.10); color: #fff; font-size: 14.5px; font-family: var(--sans); }
.field input::placeholder, .field textarea::placeholder { color: rgba(255,255,255,.42); }
.field input:focus, .field textarea:focus, .field select:focus { outline: 0; border-color: var(--mint-300); background: rgba(255,255,255,.16); }
.field select option { color: #0D2226; }
.form-note { font-size: 12.4px; color: #8FBDB8; margin-top: 12px; }

/* ============ FOOTER ============ */
.footer { background: var(--teal-900); color: #8FB4B0; padding: 68px 0 0; font-size: 14px; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 46px; border-bottom: 1px solid rgba(255,255,255,.09); }
.footer h4 { color: #fff; font-size: 15.5px; margin-bottom: 20px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 11px; }
.footer a { color: #8FB4B0; font-size: 13.8px; }
.footer a:hover { color: var(--mint-300); }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-brand .logo-cn { color: #fff; }
.footer-brand .logo-en { color: #6D9793; }
.footer-desc { font-size: 13.4px; line-height: 1.9; color: #7BA5A1; margin-bottom: 20px; }
.footer-contact li { display: flex; gap: 10px; font-size: 13.6px; line-height: 1.7; color: #9FC4C0; }
.footer-contact li span:first-child { flex-shrink: 0; }
.footer-bottom { padding: 22px 0 26px; display: flex; flex-wrap: wrap; gap: 12px 26px; align-items: center; justify-content: space-between; font-size: 12.8px; color: #628C88; }
.beian { display: inline-flex; align-items: center; gap: 8px; }
.beian a { color: #628C88; }
.beian-slot { color: #7BA5A1; }
.footer-note { width: 100%; font-size: 12.2px; color: #4F7874; padding-top: 12px; border-top: 1px solid rgba(255,255,255,.06); line-height: 1.8; }

/* ============ FLOAT CTA ============ */
.float-cta { position: fixed; right: 22px; bottom: 26px; z-index: 90; display: flex; flex-direction: column; gap: 10px; }
.float-btn { width: 54px; height: 54px; border-radius: 16px; background: #fff; border: 1px solid var(--line);
  box-shadow: var(--shadow); display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-size: 19px; cursor: pointer; transition: .25s; color: var(--teal-600); }
.float-btn:hover { background: var(--teal-600); color: #fff; transform: translateY(-3px); }
.float-btn.main { background: linear-gradient(135deg, var(--teal-700), var(--teal-500)); color: #fff; border: 0; }
.float-btn small { font-size: 9.5px; margin-top: 2px; letter-spacing: .02em; }

/* ============ ANIMATIONS ============ */
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1); }
.reveal.in { opacity: 1; transform: none; }

/* ============ SEARCH ============ */
.searchbar { display: flex; gap: 10px; max-width: 560px; }
.searchbar input { flex: 1; padding: 13px 18px; border: 1px solid var(--line); border-radius: 999px; font-size: 15px; font-family: var(--sans); }
.searchbar input:focus { outline: 0; border-color: var(--teal-500); box-shadow: 0 0 0 4px var(--mint-50); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1080px) {
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(3, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .article-layout { grid-template-columns: 1fr; }
  .side { position: static; flex-direction: row; flex-wrap: wrap; }
  .side-card { flex: 1 1 280px; }
  .device { grid-template-columns: 1fr; }
  .device-body { padding: 30px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .nav-menu { position: fixed; top: var(--nav-h); left: 0; right: 0; background: #fff; flex-direction: column;
    align-items: stretch; padding: 12px; gap: 0; box-shadow: var(--shadow); max-height: 0; overflow: hidden; transition: max-height .35s; }
  .nav-menu.open { max-height: 82vh; overflow-y: auto; border-top: 1px solid var(--line); }
  .nav-menu a { padding: 13px 14px; }
  .nav-sub { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0;
    border-left: 2px solid var(--mint-100); border-radius: 0; margin-left: 14px; padding: 0; display: none; }
  .nav-menu > li.open-sub .nav-sub { display: block; }
  .nav-toggle { display: block; order: 3; }
  .nav-tel { margin-left: auto; order: 2; padding: 8px 14px; font-size: 13px; }
  .stats { grid-template-columns: repeat(2, 1fr); margin-top: -40px; }
  .stat { border-bottom: 1px solid var(--line-2); }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .split, .split.rev { grid-template-columns: 1fr; gap: 34px; }
  .process { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .post { grid-template-columns: 1fr; }
  .post-img { min-height: 190px; }
  .post-body { padding: 24px; }
  .contact-grid { grid-template-columns: 1fr; }
  .cta-band { grid-template-columns: 1fr; padding: 38px 28px; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .sec { padding: 62px 0; }
  .hero-inner { padding: 80px 24px; }
  .hero { min-height: auto; }
  .cert-img { height: 230px; }
  .float-cta { right: 14px; bottom: 16px; }
  .float-btn { width: 48px; height: 48px; }
}
@media (max-width: 560px) {
  .process, .gallery, .cert-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .prose table { display: block; overflow-x: auto; }
}

/* ============ PRINT ============ */
@media print {
  .nav, .footer, .float-cta, .crumb, .side { display: none !important; }
  .article-layout { grid-template-columns: 1fr; }
}