@charset "utf-8";
/* ==========================================================================
   中联交通 · 官网视觉系统
   Design tokens / Base / Layout / Components
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  --ink: #0A1826;
  --ink-2: #12293D;
  --ink-3: #1C3A52;
  --paper: #FFFFFF;
  --fog: #F4F5F7;
  --fog-2: #EAEDF1;
  --line: #E1E5EA;
  --line-dk: rgba(255, 255, 255, .14);
  --red: #C1121F;
  --red-dk: #9C0D18;
  --text: #16222E;
  --muted: #5F6E7D;
  --muted-2: #8B98A4;

  --wrap: 1240px;
  --gut: 24px;
  --hdr: 78px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --shadow-1: 0 1px 2px rgba(10, 24, 38, .05);
  --shadow-2: 0 24px 48px -24px rgba(10, 24, 38, .28);
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--hdr) + 24px);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, p, figure, ul, ol, dl { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; border: 0; background: none; cursor: pointer; }
::selection { background: var(--red); color: #fff; }

/* ---------- 3. Layout ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gut);
}
.sec { padding: 112px 0; }
.sec--tight { padding: 84px 0; }
.sec--fog { background: var(--fog); }
.sec--line { border-top: 1px solid var(--line); }

/* ---------- 4. Typography blocks ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--red);
  line-height: 1;
}
.eyebrow::before {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--red);
  flex: none;
}
.eyebrow--light { color: rgba(255, 255, 255, .82); }
.eyebrow--light::before { background: rgba(255, 255, 255, .5); }

.sec-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 64px;
  margin-bottom: 56px;
}
.sec-head .eyebrow { margin-bottom: 18px; }
.sec-title {
  font-size: clamp(28px, 3.1vw, 42px);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: .005em;
  color: var(--ink);
}
.sec-title em {
  font-style: normal;
  color: var(--red);
}
.sec-desc {
  max-width: 400px;
  flex: none;
  font-size: 15px;
  line-height: 1.95;
  color: var(--muted);
  border-left: 2px solid var(--line);
  padding-left: 24px;
}
.sec-desc--light { color: rgba(255, 255, 255, .62); border-color: rgba(255, 255, 255, .2); }

.lead {
  font-size: 17px;
  line-height: 2.05;
  color: var(--muted);
}
.prose p + p { margin-top: 20px; }

/* ---------- 5. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 52px;
  padding: 0 32px;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .08em;
  border-radius: 2px;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; flex: none; transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(4px); }

.btn--red { background: var(--red); color: #fff; }
.btn--red:hover { background: var(--red-dk); }

.btn--ghost { border: 1px solid rgba(255, 255, 255, .38); color: #fff; }
.btn--ghost:hover { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .7); }

.btn--ink { background: var(--ink); color: #fff; }
.btn--ink:hover { background: var(--ink-3); }

.btn--line { border: 1px solid var(--line); color: var(--ink); }
.btn--line:hover { border-color: var(--ink); }

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--ink);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line);
  transition: border-color .3s, color .3s;
}
.link-more svg { width: 14px; height: 14px; }
.link-more:hover { color: var(--red); border-color: var(--red); }

/* ---------- 6. Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--hdr);
  z-index: 90;
  color: #fff;
  transition: background .35s var(--ease), color .35s var(--ease), box-shadow .35s var(--ease);
}
.header::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 16, 26, .55), rgba(6, 16, 26, 0));
  opacity: 1;
  transition: opacity .35s;
  pointer-events: none;
}
.header.is-solid {
  background: rgba(255, 255, 255, .96);
  backdrop-filter: saturate(180%) blur(12px);
  box-shadow: 0 1px 0 rgba(10, 24, 38, .08);
  color: var(--ink);
}
.header.is-solid::after { opacity: 0; }

.hd-in {
  position: relative;
  z-index: 2;
  height: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 44px;
}
.hd-logo { flex: none; display: flex; align-items: center; }
.hd-logo img {
  height: 42px;
  width: auto;
  transition: filter .35s var(--ease);
}
.header:not(.is-solid) .hd-logo img { filter: brightness(0) invert(1); }

.menu { display: flex; align-items: stretch; margin-left: auto; height: var(--hdr); }
.menu > li { position: relative; display: flex; }
.menu > li > a {
  position: relative;
  display: flex;
  align-items: center;
  padding: 0 18px;
  font-size: 15px;
  letter-spacing: .04em;
  white-space: nowrap;
  transition: color .25s;
}
.menu > li > a::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 24px;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s var(--ease);
}
.menu > li:hover > a::after,
.menu > li.is-current > a::after { transform: scaleX(1); }
.menu > li.is-current > a { color: var(--red); }
.header:not(.is-solid) .menu > li.is-current > a { color: #fff; }

/* mega menu */
.mega {
  position: absolute;
  top: 100%;
  left: 50%;
  width: min(980px, 92vw);
  padding: 36px 40px 34px;
  background: #fff;
  color: var(--text);
  border-top: 2px solid var(--red);
  box-shadow: 0 40px 70px -30px rgba(10, 24, 38, .35);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px 40px;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 10px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}
.menu > li:hover .mega,
.menu > li:focus-within .mega {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}
.mega-col > h4 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--ink);
  padding-bottom: 14px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.mega-col a {
  display: block;
  font-size: 14.5px;
  color: var(--muted);
  padding: 7px 0;
  transition: color .2s, transform .25s var(--ease);
}
.mega-col a:hover { color: var(--red); transform: translateX(4px); }

.hd-side { display: flex; align-items: center; gap: 22px; flex: none; }
.hd-tel { display: flex; flex-direction: column; line-height: 1.25; text-align: right; }
.hd-tel small { font-size: 11px; letter-spacing: .16em; opacity: .6; }
.hd-tel strong {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .04em;
  font-variant-numeric: tabular-nums;
}
.hd-side .btn { height: 44px; padding: 0 22px; font-size: 14px; }

.burger {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  position: relative;
  z-index: 3;
}
.burger i {
  position: absolute;
  left: 10px;
  width: 24px;
  height: 1.5px;
  background: currentColor;
  transition: transform .35s var(--ease), opacity .2s;
}
.burger i:nth-child(1) { top: 17px; }
.burger i:nth-child(2) { top: 23px; }
.burger i:nth-child(3) { top: 29px; }
body.nav-open .burger i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
body.nav-open .burger i:nth-child(2) { opacity: 0; }
body.nav-open .burger i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* mobile drawer */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 85;
  background: var(--ink);
  color: #fff;
  padding: calc(var(--hdr) + 24px) 28px 40px;
  transform: translateX(100%);
  transition: transform .45s var(--ease);
  overflow-y: auto;
  visibility: hidden;
}
body.nav-open .drawer { transform: none; visibility: visible; }
.drawer nav a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0;
  font-size: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.drawer nav a span { font-size: 12px; color: rgba(255, 255, 255, .35); letter-spacing: .1em; }
.drawer-foot { margin-top: 36px; color: rgba(255, 255, 255, .6); font-size: 14px; line-height: 2; }
.drawer-foot strong { display: block; font-size: 22px; color: #fff; letter-spacing: .04em; margin-bottom: 6px; }

/* ---------- 7. Hero ---------- */
.hero {
  position: relative;
  min-height: min(100svh, 940px);
  display: flex;
  align-items: flex-end;
  background: var(--ink);
  color: #fff;
  overflow: hidden;
}
.hero-media { position: absolute; inset: 0; }
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 14, 23, .94) 0%, rgba(5, 14, 23, .8) 34%, rgba(5, 14, 23, .28) 66%, rgba(5, 14, 23, .5) 100%),
    linear-gradient(180deg, rgba(5, 14, 23, .7) 0%, rgba(5, 14, 23, 0) 32%, rgba(5, 14, 23, .88) 100%);
}
.hero-in {
  position: relative;
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 148px var(--gut) 0;
}
.hero h1 {
  font-size: clamp(40px, 5.4vw, 76px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: .01em;
  margin: 26px 0 0;
}
.hero h1 .thin {
  display: block;
  font-size: clamp(19px, 1.9vw, 26px);
  font-weight: 400;
  letter-spacing: .22em;
  color: rgba(255, 255, 255, .74);
  margin-top: 22px;
}
.hero-sub {
  max-width: 560px;
  margin-top: 26px;
  font-size: 16px;
  line-height: 2;
  color: rgba(255, 255, 255, .72);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 40px; }

.hero-stats {
  position: relative;
  margin-top: 72px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, .18);
  padding: 34px 0 40px;
}
.hero-stats > div { padding-right: 24px; }
.hero-stats > div + div { padding-left: 34px; border-left: 1px solid rgba(255, 255, 255, .12); }
.hero-stats b {
  display: block;
  font-size: clamp(26px, 2.6vw, 36px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: .01em;
  font-variant-numeric: tabular-nums;
}
.hero-stats b i {
  font-style: normal;
  font-size: .5em;
  font-weight: 400;
  margin-left: 6px;
  opacity: .7;
  letter-spacing: .02em;
}
.hero-stats p {
  margin-top: 12px;
  font-size: 13px;
  letter-spacing: .14em;
  color: rgba(255, 255, 255, .55);
}

.hero-scroll {
  position: absolute;
  right: 36px;
  bottom: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  font-size: 10px;
  letter-spacing: .3em;
  color: rgba(255, 255, 255, .5);
  writing-mode: vertical-rl;
}
.hero-scroll::after {
  content: "";
  width: 1px;
  height: 64px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .55), rgba(255, 255, 255, 0));
}

/* ---------- 8. Product ---------- */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 44px;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  position: relative;
  padding: 16px 30px;
  font-size: 15.5px;
  letter-spacing: .04em;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  transition: color .25s, border-color .25s;
}
.tab:hover { color: var(--ink); }
.tab.is-active { color: var(--ink); font-weight: 600; border-color: var(--red); }
.tab small { color: var(--muted-2); font-size: 12px; margin-left: 6px; font-weight: 400; }

.p-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.p-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  overflow: hidden;
  text-align: left;
  transition: border-color .35s, box-shadow .45s var(--ease), transform .45s var(--ease);
}
.p-grid .p-card:hover {
  border-color: rgba(10, 24, 38, .18);
  box-shadow: var(--shadow-2);
  transform: translateY(-3px);
}
.p-card figure {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--fog-2);
}
.p-card figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .9s var(--ease);
}
.p-card:hover figure img { transform: scale(1.055); }
.p-card figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 24, 38, 0) 55%, rgba(10, 24, 38, .42));
  opacity: 0;
  transition: opacity .45s;
}
.p-card:hover figure::after { opacity: 1; }
.p-body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px 22px;
  border-top: 1px solid var(--line);
}
.p-name { font-size: 17px; font-weight: 600; letter-spacing: .02em; }
.p-tag { display: block; font-size: 12px; color: var(--muted-2); letter-spacing: .12em; margin-top: 6px; font-weight: 400; }
.p-arrow {
  flex: none;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--red);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity .35s, transform .35s var(--ease), border-color .35s;
}
.p-arrow svg { width: 14px; height: 14px; }
.p-card:hover .p-arrow { opacity: 1; transform: none; border-color: var(--red); }

.p-actions { display: flex; justify-content: center; margin-top: 48px; }

/* ---------- 9. About split ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 76px;
  align-items: center;
}
.split--wide { grid-template-columns: 0.92fr 1.08fr; }
.about-media { position: relative; z-index: 1; }
.about-media img { width: 100%; height: auto; }
.about-media .frame {
  position: absolute;
  inset: 18px -18px -18px 18px;
  border: 1px solid var(--line);
  z-index: -1;
}
.about-badge {
  position: absolute;
  left: -1px;
  bottom: -1px;
  background: var(--red);
  color: #fff;
  padding: 18px 26px;
  min-width: 148px;
}
.about-badge b { display: block; font-size: 34px; font-weight: 600; line-height: 1; font-variant-numeric: tabular-nums; }
.about-badge p { font-size: 12px; letter-spacing: .18em; margin-top: 8px; opacity: .82; }

.about-copy .sec-title { margin-bottom: 26px; }

.about-wide { position: relative; display: block; overflow: hidden; background: var(--fog-2); }
.about-wide img { width: 100%; height: auto; display: block; }
.about-cols {
  display: grid;
  grid-template-columns: 1.18fr .82fr;
  gap: 72px;
  align-items: start;
  margin-top: 56px;
}
.about-cols .about-points { margin-top: 0; grid-template-columns: 1fr; }
.about-cols .about-points div { padding: 20px 22px; }
@media (max-width: 980px) {
  .about-cols { grid-template-columns: 1fr; gap: 34px; margin-top: 34px; }
  .about-cols .about-points { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .about-cols .about-points { grid-template-columns: 1fr; }
}
.about-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin-top: 36px;
  background: var(--line);
  border: 1px solid var(--line);
}
.about-points div { background: #fff; padding: 22px 24px; }
.about-points dt { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.about-points dd { margin: 0; font-size: 13.5px; color: var(--muted); line-height: 1.7; }

/* ---------- 10. Dark band / stats ---------- */
.band {
  position: relative;
  background: var(--ink);
  color: #fff;
  padding: 100px 0;
  overflow: hidden;
}
.band-media { position: absolute; inset: 0; opacity: .18; }
.band-media img { width: 100%; height: 100%; object-fit: cover; }
.band-in { position: relative; }
.band .sec-title { color: #fff; }
.band-desc { max-width: 560px; color: rgba(255, 255, 255, .74); font-size: 15.5px; line-height: 2; margin-top: 22px; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 64px;
  border-top: 1px solid var(--line-dk);
}
.stat { padding: 36px 26px 6px 0; }
.stat + .stat { padding-left: 32px; border-left: 1px solid var(--line-dk); }
.stat b {
  display: block;
  font-size: clamp(36px, 4vw, 54px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: .01em;
  font-variant-numeric: tabular-nums;
}
.stat b i { font-style: normal; font-size: .45em; font-weight: 400; color: var(--red); margin-left: 6px; letter-spacing: .02em; }
.stat p { margin-top: 16px; font-size: 13px; letter-spacing: .14em; color: rgba(255, 255, 255, .66); }

/* ---------- 11. Cases ---------- */
.case-grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 22px;
}
.case-card {
  position: relative;
  display: block;
  min-height: 460px;
  overflow: hidden;
  background: var(--ink-2);
  color: #fff;
}
.case-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease);
}
.case-card:hover img { transform: scale(1.05); }
.case-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 16, 26, .04) 0%, rgba(6, 16, 26, .5) 52%, rgba(6, 16, 26, .93) 100%);
  transition: opacity .4s;
}
.case-body {
  position: relative;
  z-index: 2;
  height: 100%;
  min-height: 460px;
  padding: 38px 40px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.case-body .idx { font-size: 12px; letter-spacing: .28em; color: rgba(255, 255, 255, .74); }
.case-body h3 { font-size: 27px; font-weight: 600; letter-spacing: .02em; margin: 14px 0 0; }
.case-body .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.case-body .tags span {
  font-size: 12.5px;
  letter-spacing: .06em;
  padding: 5px 12px;
  border: 1px solid rgba(255, 255, 255, .34);
  background: rgba(6, 16, 26, .28);
  color: rgba(255, 255, 255, .9);
}
.case-body .go {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  font-size: 13.5px;
  letter-spacing: .1em;
  color: #fff;
}
.case-body .go svg { width: 15px; height: 15px; transition: transform .35s var(--ease); }
.case-card:hover .go svg { transform: translateX(5px); }

/* ---------- 12. Certificates ---------- */
.cert-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.cert {
  border: 1px solid var(--line);
  background: var(--fog);
  padding: 14px;
  transition: box-shadow .4s var(--ease), transform .4s var(--ease), border-color .3s;
}
.cert-row .cert:hover { box-shadow: var(--shadow-2); transform: translateY(-3px); border-color: rgba(10, 24, 38, .16); }
.cert img {
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  background: #fff;
  box-shadow: 0 6px 18px -6px rgba(10, 24, 38, .22);
}
.cert figcaption { padding: 14px 6px 4px; font-size: 13.5px; color: var(--muted); letter-spacing: .04em; }

/* ---------- 13. News ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.news-col { border-top: 2px solid var(--ink); padding-top: 0; }
.news-col > header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 20px 0 18px;
  border-bottom: 1px solid var(--line);
}
.news-col > header h3 { font-size: 19px; font-weight: 600; letter-spacing: .04em; }
.news-col > header span { font-size: 12px; color: var(--muted-2); letter-spacing: .16em; }
.news-col figure {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--fog-2);
  margin-bottom: 4px;
}
.news-col figure img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.news-col:hover figure img { transform: scale(1.04); }
.news-list li { border-bottom: 1px solid var(--line); }
.news-list a {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 15px 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--muted);
  transition: color .25s, padding-left .3s var(--ease);
}
.news-list a:hover { color: var(--ink); padding-left: 6px; }
.news-list time {
  flex: none;
  width: 72px;
  text-align: right;
  padding-top: 2px;
  font-size: 12.5px;
  color: var(--muted-2);
  letter-spacing: .04em;
  font-variant-numeric: tabular-nums;
  order: 2;
}
.news-list .t {
  flex: 1;
  min-width: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-list a:hover .t { color: var(--red); }

/* ---------- 14. Partners ---------- */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.partner-grid > * {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  min-height: 104px;
  display: grid;
  place-items: center;
  padding: 20px;
  background: #fff;
}
.partner-grid img {
  max-width: 100%;
  max-height: 58px;
  width: auto;
  filter: grayscale(1);
  opacity: .68;
  transition: filter .35s, opacity .35s;
}
.partner-grid a:hover img { filter: none; opacity: 1; }
.partner-more {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--muted);
  transition: color .3s, background .3s;
}
.partner-more:hover { color: var(--red); background: var(--fog); }

/* ---------- 15. CTA ---------- */
.cta {
  position: relative;
  background: var(--ink);
  color: #fff;
  overflow: hidden;
}
.cta-media { position: absolute; inset: 0; }
.cta-media img { width: 100%; height: 100%; object-fit: cover; opacity: .3; }
.cta-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(6, 16, 26, .95), rgba(6, 16, 26, .55) 70%, rgba(6, 16, 26, .7));
}
.cta-in {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 60px;
  padding: 88px var(--gut);
  max-width: var(--wrap);
  margin: 0 auto;
}
.cta h2 {
  font-size: clamp(28px, 3.2vw, 44px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: .01em;
}
.cta p { margin-top: 18px; color: rgba(255, 255, 255, .62); font-size: 15px; max-width: 520px; line-height: 1.9; }
.cta-actions { display: flex; gap: 14px; flex: none; }

/* ---------- 16. Footer ---------- */
.footer { background: #071320; color: rgba(255, 255, 255, .62); font-size: 14px; }
.ft-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 56px;
  padding: 76px 0 60px;
}
.ft-brand img { height: 40px; filter: brightness(0) invert(1); opacity: .92; }
.ft-brand p { margin-top: 22px; line-height: 2; max-width: 320px; font-size: 13.5px; }
.ft-col h4 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .18em;
  color: #fff;
  margin-bottom: 22px;
}
.ft-col li + li { margin-top: 12px; }
.ft-col a { transition: color .25s; }
.ft-col a:hover { color: #fff; }
.ft-contact dl { display: grid; gap: 16px; }
.ft-contact dt { font-size: 11px; letter-spacing: .2em; color: rgba(255, 255, 255, .38); margin-bottom: 4px; }
.ft-contact dd { margin: 0; color: rgba(255, 255, 255, .82); line-height: 1.7; }
.ft-contact .tel { font-size: 22px; font-weight: 600; letter-spacing: .04em; color: #fff; font-variant-numeric: tabular-nums; }
.ft-bar {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 24px 0 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  align-items: center;
  justify-content: space-between;
  font-size: 12.5px;
  color: rgba(255, 255, 255, .42);
}
.ft-bar a:hover { color: rgba(255, 255, 255, .8); }
.ft-links { display: flex; flex-wrap: wrap; gap: 20px; }

/* ---------- 17. Inner page header ---------- */
.page-head {
  position: relative;
  background: var(--ink);
  color: #fff;
  padding: calc(var(--hdr) + 74px) 0 62px;
  overflow: hidden;
}
.page-head .ph-bg { position: absolute; inset: 0; opacity: .22; }
.page-head .ph-bg img { width: 100%; height: 100%; object-fit: cover; }
.page-head::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(6, 16, 26, .92), rgba(6, 16, 26, .55));
}
.ph-in { position: relative; z-index: 2; }
.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  letter-spacing: .1em;
  color: rgba(255, 255, 255, .5);
  margin-bottom: 26px;
}
.crumb a:hover { color: #fff; }
.crumb span { color: rgba(255, 255, 255, .28); }
.crumb b { font-weight: 400; color: rgba(255, 255, 255, .82); }
.page-head h1 {
  font-size: clamp(32px, 4.2vw, 52px);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: .02em;
}
.page-head .ph-sub {
  margin-top: 18px;
  max-width: 620px;
  color: rgba(255, 255, 255, .6);
  font-size: 15px;
  line-height: 1.95;
}
.ph-en {
  position: absolute;
  right: 0;
  bottom: -6px;
  font-size: clamp(60px, 9vw, 120px);
  font-weight: 800;
  letter-spacing: .06em;
  color: rgba(255, 255, 255, .05);
  line-height: 1;
  z-index: 1;
  white-space: nowrap;
  pointer-events: none;
}

/* ---------- 18. Filter chips ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.chip {
  padding: 10px 22px;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--muted);
  border: 1px solid var(--line);
  transition: all .25s;
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ---------- 19. Culture cards ---------- */
.culture-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.culture {
  background: #fff;
  border: 1px solid var(--line);
  padding: 38px 36px 34px;
  position: relative;
  transition: border-color .35s, box-shadow .4s var(--ease);
}
.culture:hover { border-color: rgba(10, 24, 38, .16); box-shadow: var(--shadow-2); }
.culture .num {
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--red);
  font-variant-numeric: tabular-nums;
}
.culture h3 { font-size: 21px; font-weight: 600; letter-spacing: .06em; margin: 16px 0 12px; }
.culture h3 small { display: block; font-size: 13px; font-weight: 400; letter-spacing: .1em; color: var(--muted-2); margin-top: 8px; }
.culture p { font-size: 14.5px; line-height: 1.95; color: var(--muted); }

/* ---------- 20. Service list ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.svc {
  background: #fff;
  padding: 40px 32px;
  transition: background .35s, color .35s;
}
.svc:hover { background: var(--ink); color: #fff; }
.svc .ic { width: 34px; height: 34px; color: var(--red); margin-bottom: 22px; }
.svc:hover .ic { color: #fff; }
.svc h3 { font-size: 18px; font-weight: 600; letter-spacing: .04em; margin-bottom: 10px; }
.svc p { font-size: 13.5px; line-height: 1.85; color: var(--muted); transition: color .35s; }
.svc:hover p { color: rgba(255, 255, 255, .65); }
.svc .no { display: block; font-size: 11px; letter-spacing: .2em; opacity: .45; margin-bottom: 14px; }

/* ---------- 21. Jobs ---------- */
.jobs { display: grid; gap: 16px; }
.job {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  align-items: start;
  padding: 34px 38px;
  background: #fff;
  border: 1px solid var(--line);
  transition: border-color .3s, box-shadow .4s var(--ease);
}
.job:hover { border-color: rgba(10, 24, 38, .16); box-shadow: var(--shadow-2); }
.job h3 { font-size: 20px; font-weight: 600; letter-spacing: .04em; }
.job .pay { display: inline-block; margin-top: 12px; font-size: 15px; font-weight: 600; color: var(--red); letter-spacing: .02em; }
.job dl { display: grid; gap: 14px; }
.job dt { font-size: 12px; letter-spacing: .18em; color: var(--muted-2); margin-bottom: 4px; }
.job dd { margin: 0; font-size: 14.5px; line-height: 1.85; color: var(--muted); }

/* ---------- 22. Contact ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  padding: 36px 34px;
}
.contact-card .ic { width: 30px; height: 30px; color: var(--red); margin-bottom: 20px; }
.contact-card h3 { font-size: 13px; letter-spacing: .18em; color: var(--muted-2); font-weight: 500; margin-bottom: 14px; }
.contact-card p, .contact-card a { font-size: 19px; font-weight: 500; letter-spacing: .02em; line-height: 1.6; color: var(--ink); }
.contact-card small { display: block; margin-top: 10px; font-size: 13px; color: var(--muted); font-weight: 400; line-height: 1.8; }

.map-box {
  position: relative;
  border: 1px solid var(--line);
  background: var(--fog);
  min-height: 380px;
  display: grid;
  place-items: center;
  padding: 40px;
  text-align: center;
  overflow: hidden;
}
.map-box .grid-lines {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: .7;
}
.map-box .pin { position: relative; color: var(--red); margin-bottom: 16px; }
.map-inner { position: relative; background: rgba(255, 255, 255, .92); padding: 32px 40px; border: 1px solid var(--line); }
.map-inner h3 { font-size: 20px; font-weight: 600; margin-bottom: 8px; }
.map-inner p { color: var(--muted); font-size: 14px; margin-bottom: 20px; }

/* ---------- 23. News page list ---------- */
.news-rows { border-top: 1px solid var(--line); }
.news-row {
  display: grid;
  grid-template-columns: 200px 1fr auto;
  gap: 32px;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  transition: background .3s;
}
.news-row:hover { background: var(--fog); }
.news-row figure { aspect-ratio: 3 / 2; overflow: hidden; background: var(--fog-2); }
.news-row figure img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.news-row:hover figure img { transform: scale(1.06); }
.news-row h3 { font-size: 17px; font-weight: 600; line-height: 1.6; letter-spacing: .01em; transition: color .25s; }
.news-row:hover h3 { color: var(--red); }
.news-row p {
  margin-top: 10px;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.75;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-row time { font-size: 13px; color: var(--muted-2); letter-spacing: .06em; font-variant-numeric: tabular-nums; white-space: nowrap; }

/* ---------- 24. Dialog ---------- */
dialog.pd {
  width: min(880px, 92vw);
  padding: 0;
  border: 0;
  background: #fff;
  color: var(--text);
  box-shadow: 0 40px 90px -30px rgba(10, 24, 38, .5);
}
dialog.pd::backdrop { background: rgba(6, 16, 26, .62); backdrop-filter: blur(3px); }
.pd-in { position: relative; display: grid; grid-template-columns: 1fr 1fr; }
.pd-in img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 1 / 1; background: var(--fog); }
.pd-body { padding: 40px 38px; display: flex; flex-direction: column; }
.pd-body h3 { font-size: 25px; font-weight: 700; letter-spacing: .03em; margin-bottom: 6px; }
.pd-body .pd-tag { font-size: 12px; letter-spacing: .18em; color: var(--red); margin-bottom: 22px; }
.pd-body p { font-size: 14.5px; line-height: 1.95; color: var(--muted); }
.pd-body .pd-actions { margin-top: auto; padding-top: 30px; display: flex; gap: 12px; }
.pd-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, .9);
  color: var(--ink);
  border-radius: 50%;
}

/* ---------- 25. Reveal ---------- */
.rv { opacity: 0; transform: translateY(22px); }
.rv.in {
  opacity: 1;
  transform: none;
  transition: opacity .85s var(--ease), transform .85s var(--ease);
}
.rv.d1.in { transition-delay: .08s; }
.rv.d2.in { transition-delay: .16s; }
.rv.d3.in { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv { opacity: 1; transform: none; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* ---------- 26. Utilities ---------- */
.to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 60;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: #fff;
  border-radius: 2px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .35s, transform .35s var(--ease), visibility .35s, background .3s;
}
.to-top.is-on { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--red); }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--ink);
  color: #fff;
  padding: 12px 20px;
}
.skip:focus { left: 12px; top: 12px; }

/* ---------- 27. Responsive ---------- */
@media (max-width: 1180px) {
  .hd-in { gap: 24px; padding: 0 24px; }
  .menu > li > a { padding: 0 13px; font-size: 14.5px; }
  .menu > li > a::after { left: 13px; right: 13px; }
  .hd-tel { display: none; }
  .split { gap: 48px; }
  .ft-main { grid-template-columns: 1.4fr 1fr 1.2fr; gap: 40px; }
  .ft-brand { grid-column: 1 / -1; }
  .partner-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 980px) {
  :root { --gut: 20px; }
  .sec { padding: 76px 0; }
  .menu, .hd-side .btn { display: none; }
  .burger { display: block; }
  .hd-in { padding: 0 18px; }
  .sec-head { flex-direction: column; align-items: flex-start; gap: 24px; margin-bottom: 40px; }
  .sec-desc { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 18px; max-width: none; }
  .split, .split--wide { grid-template-columns: 1fr; gap: 44px; }
  .about-media { order: -1; }
  .p-grid { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; gap: 44px; }
  .cert-row { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .stat, .stat + .stat { padding: 28px 20px 8px 0; }
  .stat:nth-child(odd) { border-left: 0; padding-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line-dk); }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-stats > div { padding: 18px 0; }
  .hero-stats > div + div { padding-left: 0; border-left: 0; }
  .hero-stats > div:nth-child(even) { padding-left: 20px; border-left: 1px solid rgba(255, 255, 255, .12); }
  .hero-stats > div:nth-child(n+3) { border-top: 1px solid rgba(255, 255, 255, .12); }
  .cta-in { flex-direction: column; align-items: flex-start; gap: 32px; padding: 64px var(--gut); }
  .culture-grid { grid-template-columns: 1fr; }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .job { grid-template-columns: 1fr; gap: 22px; padding: 28px 26px; }
  .contact-grid { grid-template-columns: 1fr; }
  .news-row { grid-template-columns: 120px 1fr; gap: 20px; }
  .news-row time { display: none; }
  .ft-main { grid-template-columns: 1fr 1fr; gap: 36px; }
  .pd-in { grid-template-columns: 1fr; }
  .pd-in img { aspect-ratio: 16 / 10; }
  .hero-scroll { display: none; }
  .about-media .frame { display: none; }
  .band { padding: 68px 0; }
}

@media (max-width: 620px) {
  body { font-size: 15px; }
  .sec { padding: 60px 0; }
  .hero-in { padding-top: 120px; }
  .hero { min-height: 92svh; }
  .hero-actions .btn { flex: 1; min-width: 140px; }
  .p-grid { grid-template-columns: 1fr; }
  .p-card figure { aspect-ratio: 16 / 10; }
  .partner-grid { grid-template-columns: repeat(3, 1fr); }
  .partner-grid > * { min-height: 86px; padding: 14px; }
  .svc-grid { grid-template-columns: 1fr; }
  .ft-main { grid-template-columns: 1fr; gap: 32px; padding: 52px 0 40px; }
  .ft-bar { flex-direction: column; align-items: flex-start; }
  .cert-row { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .tabs { margin-bottom: 28px; }
  .tab { padding: 14px 18px; font-size: 14.5px; }
  .case-body, .case-card, .case-card img { min-height: 340px; }
  .case-body { padding: 28px 24px; }
  .case-body h3 { font-size: 22px; }
  .hero-stats b { font-size: 24px; }
  .page-head { padding-top: calc(var(--hdr) + 54px); padding-bottom: 44px; }
  .ph-en { display: none; }
  .culture { padding: 28px 24px; }
  .news-row { grid-template-columns: 1fr; }
  .news-row figure { aspect-ratio: 16 / 9; }
}

/* ---------- 28. 案例页 ---------- */
.tags-row { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.tags-row span {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--ink-3);
  padding: 7px 16px;
  border: 1px solid var(--line);
  background: #fff;
}
.gal { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.gal-item { position: relative; overflow: hidden; background: var(--fog-2); }
.gal-item--wide { grid-column: span 2; }
.gal-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 10;
  transition: transform 1s var(--ease);
}
.gal-item--wide img { aspect-ratio: 21 / 9; }
.gal-item:hover img { transform: scale(1.04); }
.gal-item figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 44px 26px 22px;
  color: #fff;
  background: linear-gradient(180deg, rgba(6,16,26,0), rgba(6,16,26,.82));
}
.gal-item figcaption b { display: block; font-size: 17px; font-weight: 600; letter-spacing: .03em; }
.gal-item figcaption span { display: block; margin-top: 6px; font-size: 13px; color: rgba(255,255,255,.72); }

/* ---------- 29. 应用领域 ---------- */
.fields {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.field { background: #fff; padding: 34px 26px 30px; transition: background .35s, color .35s; }
.field:hover { background: var(--ink); color: #fff; }
.field span { font-size: 11px; letter-spacing: .22em; color: var(--red); }
.field h3 { font-size: 18px; font-weight: 600; letter-spacing: .04em; margin: 16px 0 10px; }
.field p { font-size: 13.5px; line-height: 1.8; color: var(--muted); transition: color .35s; }
.field:hover p { color: rgba(255,255,255,.62); }

@media (max-width: 980px) {
  .gal-item--wide img { aspect-ratio: 16 / 9; }
  .fields { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .gal { grid-template-columns: 1fr; }
  .gal-item--wide { grid-column: auto; }
  .gal-item--wide img { aspect-ratio: 16 / 10; }
  .fields { grid-template-columns: 1fr; }
}

/* ---------- 30. 资讯列表（资讯页） ---------- */
.list-news { border-top: 1px solid var(--line); }
.ln {
  display: grid;
  grid-template-columns: 112px 1fr 40px;
  gap: 32px;
  align-items: start;
  padding: 28px 12px;
  border-bottom: 1px solid var(--line);
  transition: background .3s var(--ease), padding-left .35s var(--ease);
}
.ln:hover { background: var(--fog); padding-left: 22px; }
.ln-meta {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--muted-2);
  font-variant-numeric: tabular-nums;
  padding-top: 3px;
}
.ln-body h3 {
  font-size: 17.5px;
  font-weight: 600;
  line-height: 1.62;
  letter-spacing: .01em;
  color: var(--ink);
  transition: color .25s;
}
.ln:hover .ln-body h3 { color: var(--red); }
.ln-body p {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ln-arw {
  width: 34px; height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: grid; place-items: center;
  color: var(--red);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity .3s, transform .3s var(--ease), border-color .3s;
}
.ln-arw svg { width: 14px; height: 14px; }
.ln:hover .ln-arw { opacity: 1; transform: none; border-color: var(--red); }

@media (max-width: 980px) {
  .ln { grid-template-columns: 84px 1fr; gap: 20px; padding: 22px 6px; }
  .ln-arw { display: none; }
  .ln-body h3 { font-size: 16px; }
}

/* ---------- 31. 资讯头条 ---------- */
.feature {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  border: 1px solid var(--line);
  background: #fff;
  margin-bottom: 56px;
  overflow: hidden;
}
.feature figure { overflow: hidden; background: var(--fog-2); }
.feature img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 10;
  transition: transform 1s var(--ease);
}
.feature:hover img { transform: scale(1.03); }
.feature-body {
  padding: 48px 46px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.fe-tag { font-size: 12px; letter-spacing: .24em; color: var(--red); }
.feature-body h2 {
  font-size: clamp(21px, 2.1vw, 29px);
  line-height: 1.52;
  font-weight: 700;
  letter-spacing: .01em;
  margin-top: 18px;
  color: var(--ink);
}
.feature:hover h2 { color: var(--red); }
.feature-body p { margin-top: 16px; color: var(--muted); font-size: 14.5px; line-height: 1.95; }
.fe-meta { margin-top: 26px; font-size: 13px; color: var(--muted-2); letter-spacing: .06em; }
@media (max-width: 980px) {
  .feature { grid-template-columns: 1fr; margin-bottom: 36px; }
  .feature-body { padding: 30px 26px; }
}

/* ---------- 32. 标题换行与移动端微调 ---------- */
.hero h1,
.sec-title,
.page-head h1,
.cta h2,
.case-body h3 { text-wrap: balance; }

@media (max-width: 620px) {
  .hero h1 { font-size: clamp(26px, 8.2vw, 38px); }
  .hero h1 .thin { font-size: 17px; letter-spacing: .16em; }
  .eyebrow { font-size: 11px; letter-spacing: .18em; gap: 9px; }
  .eyebrow::before { width: 22px; }
  .sec-title { font-size: clamp(23px, 6.4vw, 30px); }
  .page-head h1 { font-size: clamp(26px, 7.4vw, 34px); }
}


/* ---------- 33. 全屏视频区块 ---------- */
/* ---- 全屏视频区块 ---- */
.video-sec {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100svh;
  min-height: 480px;
  max-height: 1080px;
  background: #04101c;
  overflow: hidden;
}
.video-stage { position: absolute; inset: 0; }
.video-poster,
.video-stage video,
.video-stage iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 0;
  display: block;
}
.video-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(4, 16, 28, .55) 0%, rgba(4, 16, 28, .12) 34%, rgba(4, 16, 28, .55) 74%, rgba(4, 16, 28, .9) 100%);
}
.video-cap {
  position: absolute;
  left: clamp(24px, 6vw, 96px);
  right: clamp(24px, 6vw, 96px);
  bottom: clamp(72px, 12vh, 132px);
  color: #fff;
  max-width: 760px;
}
.video-cap h2 {
  font-size: clamp(26px, 3.6vw, 52px);
  line-height: 1.24;
  font-weight: 700;
  letter-spacing: .01em;
  margin: 18px 0 0;
  text-wrap: balance;
}
.video-cap > p:last-child {
  margin-top: 16px;
  font-size: clamp(13px, 1.1vw, 16px);
  color: rgba(255, 255, 255, .74);
  line-height: 1.9;
}
.video-play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  border: 0;
  background: transparent;
  color: #fff;
  cursor: pointer;
}
.vp-ring {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .5);
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, .08);
  backdrop-filter: blur(6px);
  transition: all .4s cubic-bezier(.22, .61, .36, 1);
}
.vp-ring svg { margin-left: 3px; }
.video-play:hover .vp-ring {
  background: #c1121f;
  border-color: #c1121f;
  transform: scale(1.06);
  box-shadow: 0 0 0 14px rgba(193, 18, 31, .16);
}
.vp-text {
  font-size: 13px;
  letter-spacing: .18em;
  color: rgba(255, 255, 255, .82);
}
.video-hint {
  position: absolute;
  right: clamp(24px, 6vw, 96px);
  bottom: 30px;
  font-size: 11px;
  letter-spacing: .18em;
  color: rgba(255, 255, 255, .38);
}
.video-sec.is-playing .video-cap,
.video-sec.is-playing .video-play,
.video-sec.is-playing .video-hint,
.video-sec.is-playing .video-veil { display: none; }
.video-sec.is-playing .video-poster { display: none; }

/* 视频加载失败提示 */
.video-fail-tip {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 4;
  padding: 12px 24px;
  font-size: 13px;
  letter-spacing: .06em;
  color: #fff;
  background: rgba(4, 16, 28, .82);
  border: 1px solid rgba(255, 255, 255, .18);
  backdrop-filter: blur(6px);
  white-space: nowrap;
}
@media (max-width: 620px) {
  .video-sec { height: 78vh; height: 78svh; }
  .vp-ring { width: 68px; height: 68px; }
  .video-cap { bottom: 56px; }
  .video-hint { display: none; }
}