/* ==========================================================================
   海陆通 HiRoute · 官网改版样式系统
   品牌色取自官方 logo：海军蓝 #0C347A / 橙 #F39800
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  --navy: #0c347a;
  --navy-deep: #071f4d;
  --navy-mid: #123b82;
  --navy-soft: #eef3fa;
  --orange: #f39800;
  --orange-deep: #d97f06;
  --paper: #ffffff;
  --mist: #f4f7fb;
  --line: #dee6f1;
  --ink: #16283f;
  --slate: #46586f;
  --faint: #8393a8;

  --font-latin: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-cjk: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-stack: var(--font-latin), var(--font-cjk);
  html[lang="ko"] { --font-latin: "Archivo", "Noto Sans KR", sans-serif; }
  html[lang="zh-TW"] { --font-cjk: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif; }

  --r-sm: 6px;
  --r-md: 10px;
  --shadow-card: 0 14px 34px -18px rgba(7, 31, 77, .28);
  --shadow-pop: 0 24px 48px -20px rgba(7, 31, 77, .38);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --header-h: 76px;
  --util-h: 40px;
  --wrap: min(1240px, calc(100% - 48px));
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-stack);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.72;
  font-size: 16.5px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; color: inherit; font-size: inherit; }
::selection { background: var(--navy); color: #fff; }
:focus-visible { outline: 2.5px solid var(--orange); outline-offset: 3px; border-radius: 2px; }

.wrap { width: var(--wrap); margin-inline: auto; }

h1, h2, h3, h4 { line-height: 1.22; letter-spacing: -.01em; font-weight: 800; }
.sec-title { font-size: clamp(26px, 3.4vw, 40px); color: var(--navy-deep); }
.sec-title em { font-style: normal; color: var(--orange); }
.sec-sub { margin-top: 10px; color: var(--slate); max-width: 62ch; }
.en-tint {
  display: block; font-family: var(--font-latin); font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase;
  font-size: clamp(11px, 1vw, 12.5px); color: var(--faint);
}
.on-dark .en-tint { color: rgba(255, 255, 255, .55); }

/* ---------- 2. Utility bar ---------- */
.utilbar {
  background: var(--navy-deep); color: rgba(255, 255, 255, .85);
  font-size: 13px; height: var(--util-h); position: relative; z-index: 60;
}
.utilbar .wrap { display: flex; align-items: center; gap: 18px; height: 100%; }
.utilbar .affil { display: inline-flex; align-items: center; gap: 8px; letter-spacing: .02em; }
.utilbar .affil svg { width: 15px; height: 15px; color: var(--orange); }
.utilbar-right { margin-left: auto; display: flex; align-items: center; gap: 20px; }
.utilbar a:hover { color: #fff; }
.util-contact { display: inline-flex; align-items: center; gap: 7px; }
.util-contact svg { width: 14px; height: 14px; }

.lang-switch { position: relative; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 7px; padding: 5px 2px;
  color: rgba(255,255,255,.92); font-size: 13.5px; letter-spacing: .02em;
}
.lang-btn svg { width: 14px; height: 14px; transition: transform .25s var(--ease-out); }
.lang-switch.open .lang-btn svg { transform: rotate(180deg); }
.lang-menu {
  position: absolute; top: calc(100% + 8px); right: 0; min-width: 158px;
  background: #fff; border-radius: var(--r-sm); box-shadow: var(--shadow-pop);
  padding: 6px; opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: all .25s var(--ease-out);
}
.lang-switch.open .lang-menu { opacity: 1; visibility: visible; transform: none; }
.lang-menu button {
  display: flex; width: 100%; align-items: center; justify-content: space-between;
  padding: 8px 12px; border-radius: 4px; font-size: 14px; color: var(--ink);
  transition: background .15s;
}
.lang-menu button:hover { background: var(--mist); }
.lang-menu button.active { color: var(--navy); font-weight: 700; }
.lang-menu button.active::after {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--orange);
}

/* ---------- 3. Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(12px); border-bottom: 1px solid transparent;
  transition: box-shadow .3s, border-color .3s;
}
.site-header.scrolled { border-color: var(--line); box-shadow: 0 10px 30px -22px rgba(7,31,77,.35); }
.nav-row { display: flex; align-items: center; gap: 30px; height: var(--header-h); }
.brand img { height: 52px; width: auto; }
.main-nav { margin-left: auto; display: flex; align-items: stretch; gap: 4px; height: 100%; }
.main-nav > li { display: flex; }
.main-nav > li > a {
  display: inline-flex; align-items: center; padding: 0 19px; position: relative;
  font-weight: 600; font-size: 16px; color: var(--ink); letter-spacing: .01em;
}
.main-nav > li > a::after {
  content: ""; position: absolute; left: 19px; right: 19px; bottom: 18px; height: 2.5px;
  background: var(--orange); transform: scaleX(0); transform-origin: left;
  transition: transform .3s var(--ease-out);
}
.main-nav > li > a:hover::after,
.main-nav > li > a.current::after { transform: scaleX(1); }
.main-nav > li > a.current { color: var(--navy); }

.has-drop { position: relative; }
.drop {
  position: absolute; top: 100%; left: 50%; transform: translate(-50%, 8px);
  min-width: 240px; background: #fff; border-radius: var(--r-md);
  box-shadow: var(--shadow-pop); padding: 10px; opacity: 0; visibility: hidden;
  transition: all .28s var(--ease-out); border-top: 3px solid var(--orange);
}
.has-drop:hover .drop, .has-drop:focus-within .drop { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.drop a {
  display: flex; align-items: center; gap: 11px; padding: 11px 14px; border-radius: 6px;
  color: var(--slate); font-size: 15px; transition: all .18s;
}
.drop a svg { width: 17px; height: 17px; color: var(--navy); flex-shrink: 0; }
.drop a:hover { background: var(--navy-soft); color: var(--navy); }

.head-cta {
  display: inline-flex; align-items: center; gap: 9px; padding: 11px 22px;
  background: var(--orange); color: var(--navy-deep); border-radius: 999px; font-weight: 700;
  font-size: 15px; white-space: nowrap; transition: all .25s var(--ease-out);
  box-shadow: 0 10px 22px -10px rgba(243, 152, 0, .55);
}
.head-cta svg { width: 16px; height: 16px; }
.head-cta:hover { background: var(--orange-deep); transform: translateY(-1px); }

.burger { display: none; flex-direction: column; gap: 5px; padding: 10px; margin-left: auto; }
.burger span { width: 24px; height: 2.2px; background: var(--navy-deep); border-radius: 2px; transition: all .3s var(--ease-out); }
.burger.open span:nth-child(1) { transform: translateY(7.2px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7.2px) rotate(-45deg); }

.mobile-drawer {
  position: fixed; inset: 0; z-index: 45; background: #fff; padding: calc(var(--header-h) + 20px) 32px 40px;
  overflow-y: auto; transform: translateX(100%); transition: transform .38s var(--ease-out);
}
.mobile-drawer.open { transform: none; }
.mobile-drawer nav a.m-link {
  display: block; padding: 16px 4px; font-size: 19px; font-weight: 700; color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.drawer-lang { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.drawer-lang button {
  padding: 8px 15px; border: 1px solid var(--line); border-radius: 999px; font-size: 14px;
}
.drawer-lang button.active { background: var(--navy); color: #fff; border-color: var(--navy); }

/* ---------- 4. Hero slider ---------- */
.hero { position: relative; height: min(86vh, 720px); min-height: 540px; overflow: hidden; background: var(--navy-deep); }
.hero-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity 1s ease; pointer-events: none;
}
.hero-slide.active { opacity: 1; pointer-events: auto; }
.hero-slide .bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  transform: scale(1.08); transition: transform 7s linear;
}
.hero-slide.active .bg { transform: scale(1); }
.hero-slide::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(78deg, rgba(7, 31, 77, .88) 6%, rgba(7, 31, 77, .42) 46%, rgba(7, 31, 77, .12) 76%),
              linear-gradient(to top, rgba(7, 31, 77, .62), transparent 44%);
}
.hero-inner {
  position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column;
  justify-content: center; color: #fff; width: var(--wrap); margin-inline: auto;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 10px; font-weight: 600; font-size: 14px;
  letter-spacing: .14em; text-transform: uppercase; color: rgba(255, 255, 255, .85);
  margin-bottom: 20px;
}
.hero-tag::before { content: ""; width: 34px; height: 2.5px; background: var(--orange); }
.hero h1 {
  font-size: clamp(32px, 5.4vw, 62px); line-height: 1.12; letter-spacing: -.015em;
  max-width: 15em; text-wrap: balance;
}
.hero p.hero-desc {
  margin-top: 20px; max-width: 56ch; font-size: clamp(15px, 1.5vw, 18.5px);
  color: rgba(255, 255, 255, .88);
}
.hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 14px; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 30px;
  background: var(--orange); color: var(--navy-deep); border-radius: 999px; font-weight: 800; font-size: 16px;
  transition: all .28s var(--ease-out); box-shadow: 0 14px 30px -12px rgba(243, 152, 0, .6);
}
.btn-primary svg { width: 17px; height: 17px; transition: transform .28s var(--ease-out); }
.btn-primary:hover { background: var(--orange-deep); }
.btn-primary:hover svg { transform: translateX(4px); }
.btn-primary:active, .head-cta:active, .submit-btn:active, .chip:active { transform: translateY(1px) scale(.985); }
.perf-body h3, .news-item h4 { overflow-wrap: break-word; }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 28px; border-radius: 999px;
  border: 1.5px solid rgba(255, 255, 255, .55); color: #fff; font-weight: 600; font-size: 15.5px;
  backdrop-filter: blur(4px); transition: all .28s var(--ease-out);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .14); border-color: #fff; }

.hero-dots {
  position: absolute; z-index: 3; bottom: 108px; left: 50%; transform: translateX(-50%);
  width: var(--wrap); display: flex; gap: 10px;
}
.hero-dot {
  height: 3.5px; flex: 0 0 56px; background: rgba(255, 255, 255, .35); border-radius: 99px;
  position: relative; overflow: hidden; transition: flex-basis .3s var(--ease-out);
}
.hero-dot.active { flex-basis: 110px; }
.hero-dot.active::after {
  content: ""; position: absolute; inset: 0; background: var(--orange);
  transform-origin: left; animation: dotfill var(--slide-ms, 6500ms) linear forwards;
}
@keyframes dotfill { from { transform: scaleX(0);} to { transform: scaleX(1);} }
.hero-num {
  position: absolute; right: max(24px, calc((100% - 1240px) / 2)); bottom: 88px; z-index: 3;
  font-family: var(--font-latin); font-weight: 700; font-size: 15px; letter-spacing: .1em;
  color: rgba(255, 255, 255, .75);
}

/* ---------- 5. Stats overlap band ---------- */
.stats-band { position: relative; z-index: 10; margin-top: -74px; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-deep) 100%);
  border-radius: var(--r-md); box-shadow: var(--shadow-pop); overflow: hidden;
}
.stat-cell { padding: 34px 30px 30px; position: relative; }
.stat-cell + .stat-cell { border-left: 1px solid rgba(255, 255, 255, .12); }
.stat-num {
  font-family: var(--font-latin); font-weight: 800; font-size: clamp(34px, 3.6vw, 50px);
  color: #fff; line-height: 1; letter-spacing: -.02em; display: flex; align-items: baseline; gap: 5px;
}
.stat-num .unit { font-size: .48em; color: var(--orange); font-weight: 700; }
.stat-label { margin-top: 10px; color: rgba(255, 255, 255, .78); font-size: 14.5px; }
.stat-note { margin-top: 2px; color: rgba(255, 255, 255, .62); font-size: 12.5px; }

/* ---------- 6. Section shells ---------- */
.section { padding: clamp(64px, 9vw, 112px) 0; }
.section.tight { padding-top: clamp(48px, 6vw, 76px); }
.sec-head { margin-bottom: clamp(30px, 4vw, 52px); }
.sec-head.center { text-align: center; }
.sec-head .sec-sub { margin-inline: auto; }
.on-dark { background: var(--navy-deep); color: #fff; }
.on-dark .sec-title { color: #fff; }
.on-dark .sec-sub { color: rgba(255, 255, 255, .75); }

/* reveal animation */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
.d1 { transition-delay: .08s; } .d2 { transition-delay: .16s; } .d3 { transition-delay: .24s; }
.d4 { transition-delay: .32s; } .d5 { transition-delay: .4s; } .d6 { transition-delay: .48s; }

/* ---------- 7. About split ---------- */
.about-split { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(36px, 5vw, 80px); align-items: center; }
.about-copy p { color: var(--slate); margin-top: 18px; }
.about-copy strong { color: var(--navy); }
.about-points { margin-top: 26px; display: grid; gap: 12px; }
.about-points li { display: flex; gap: 12px; align-items: baseline; color: var(--ink); font-size: 16px; }
.about-points svg { width: 18px; height: 18px; color: var(--orange); flex-shrink: 0; transform: translateY(3px); }
.about-media { position: relative; }
.about-media img { border-radius: var(--r-md); box-shadow: var(--shadow-card); aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.about-badge {
  position: absolute; left: -18px; bottom: 26px; background: var(--navy); color: #fff;
  padding: 18px 24px; border-radius: var(--r-sm); box-shadow: var(--shadow-pop);
}
.about-badge b { font-family: var(--font-latin); font-size: 30px; font-weight: 800; color: var(--orange); }
.about-badge span { display: block; font-size: 13px; color: rgba(255,255,255,.8); margin-top: 2px; }

/* ---------- 8. Strength band（公司实力） ---------- */
.strength-wrap { display: grid; grid-template-columns: minmax(0, 46%) minmax(0, 54%); gap: clamp(34px, 5vw, 72px); align-items: center; }
.strength-media { position: relative; }
.strength-media img { border-radius: var(--r-md); aspect-ratio: 4 / 3.4; object-fit: cover; width: 100%; }
.strength-chip {
  position: absolute; top: 20px; left: 20px; background: rgba(7, 31, 77, .82); backdrop-filter: blur(6px);
  color: #fff; padding: 12px 18px; border-radius: 999px; font-size: 13.5px; letter-spacing: .04em;
  display: inline-flex; align-items: center; gap: 9px;
}
.strength-chip svg { width: 15px; height: 15px; color: var(--orange); }
.qual-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.qual-pill {
  display: flex; align-items: center; gap: 11px; padding: 13px 16px;
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--r-sm); font-size: 14.5px; color: rgba(255, 255, 255, .92);
  transition: all .25s var(--ease-out);
}
.qual-pill:hover { background: rgba(255, 255, 255, .11); border-color: var(--orange); transform: translateY(-2px); }
.qual-pill svg { width: 18px; height: 18px; color: var(--orange); flex-shrink: 0; }
.mini-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 28px; }
.mini-stat { border-left: 2px solid var(--orange); padding-left: 14px; }
.mini-stat b { font-family: var(--font-latin); font-size: clamp(22px, 2.2vw, 28px); font-weight: 800; color: #fff; display: block; line-height: 1.1; }
.mini-stat span { font-size: 13px; color: rgba(255, 255, 255, .72); }

/* ---------- 9. Domain tiles ---------- */
.domain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.domain-tile {
  position: relative; padding: 30px 28px 26px; border-radius: var(--r-md);
  border: 1px solid var(--line); background: #fff; overflow: hidden;
  transition: all .32s var(--ease-out); display: block;
}
.domain-tile:hover { transform: translateY(-5px); box-shadow: var(--shadow-card); border-color: transparent; }
.domain-tile.feature { grid-column: span 2; background: linear-gradient(120deg, var(--navy) 8%, var(--navy-deep)); border: 0; color: #fff; }
.domain-tile .idx {
  font-family: var(--font-latin); font-weight: 700; font-size: 13px; letter-spacing: .12em;
  color: var(--faint); display: block;
}
.domain-tile.feature .idx { color: rgba(255,255,255,.5); }
.domain-tile h3 { margin-top: 12px; font-size: 21px; color: var(--navy-deep); display: flex; align-items: center; gap: 12px; }
.domain-tile p { margin-top: 10px; color: var(--slate); font-size: 15px; }
.domain-tile.feature h3 { color: #fff; }
.domain-tile.feature p { color: rgba(255, 255, 255, .78); }
.tile-icon {
  position: absolute; right: 22px; top: 24px; width: 44px; height: 44px; border-radius: 10px;
  background: var(--navy-soft); display: grid; place-items: center; color: var(--navy);
  transition: all .32s var(--ease-out);
}
.domain-tile.feature .tile-icon { background: rgba(255, 255, 255, .12); color: var(--orange); }
.domain-tile:hover .tile-icon { background: var(--orange); color: #fff; }
.tile-link {
  margin-top: 18px; display: inline-flex; align-items: center; gap: 7px; font-size: 14px;
  font-weight: 700; color: var(--navy);
}
.domain-tile.feature .tile-link { color: var(--orange); }
.tile-link svg { width: 15px; height: 15px; transition: transform .25s var(--ease-out); }
.domain-tile:hover .tile-link svg { transform: translateX(4px); }

/* ---------- 10. Honors marquee ---------- */
.marquee-zone { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-row { display: flex; gap: 16px; width: max-content; padding-block: 8px; }
.marquee-row.rev { direction: rtl; }
.marquee-track { display: flex; gap: 16px; animation: slide L 42s linear infinite; }
.marquee-row.rev .marquee-track { animation-direction: reverse; }
@keyframes slideL { to { transform: translateX(-50%); } }
.marquee-zone:hover .marquee-track { animation-play-state: paused; }
.cert-card {
  width: 250px; flex-shrink: 0; background: #fff; border: 1px solid var(--line);
  border-radius: var(--r-sm); padding: 20px 22px; display: flex; gap: 14px; align-items: center;
  transition: all .3s var(--ease-out);
}
.cert-card:hover { border-color: var(--navy); box-shadow: var(--shadow-card); }
.cert-card svg { width: 30px; height: 30px; color: var(--orange); flex-shrink: 0; }
.cert-card b { display: block; font-size: 14.5px; color: var(--ink); line-height: 1.45; }
.cert-card span { font-size: 12px; color: var(--faint); }

/* ---------- 11. Performance cards ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.chip {
  padding: 9px 21px; border-radius: 999px; border: 1.5px solid var(--line);
  font-size: 14.5px; color: var(--slate); font-weight: 600; transition: all .25s var(--ease-out);
}
.chip:hover { border-color: var(--navy); color: var(--navy); }
.chip.active { background: var(--navy); border-color: var(--navy); color: #fff; }
.perf-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.perf-card {
  border-radius: var(--r-md); overflow: hidden; background: #fff; border: 1px solid var(--line);
  transition: all .34s var(--ease-out); display: flex; flex-direction: column;
}
.perf-card.hide { display: none; }
.perf-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-pop); }
.perf-figure { aspect-ratio: 16 / 10.5; overflow: hidden; position: relative; }
.perf-figure img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease-out); }
.perf-card:hover .perf-figure img { transform: scale(1.07); }
.perf-cat {
  position: absolute; top: 14px; left: 14px; background: rgba(7, 31, 77, .85); color: #fff;
  backdrop-filter: blur(5px); font-size: 12.5px; padding: 6px 13px; border-radius: 999px;
  letter-spacing: .03em;
}
.perf-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.perf-body h3 { font-size: 17.5px; color: var(--navy-deep); line-height: 1.42; }
.perf-body p { margin-top: 9px; color: var(--slate); font-size: 14px; flex: 1; }
.perf-more {
  margin-top: 16px; display: inline-flex; align-items: center; gap: 7px; color: var(--orange-deep);
  font-size: 14px; font-weight: 700;
}
.perf-more svg { width: 14px; height: 14px; }
.tag-cloud { margin-top: 46px; padding-top: 38px; border-top: 1px solid var(--line); }
.tag-cloud h3 { font-size: 20px; color: var(--navy-deep); margin-bottom: 20px; }
.tag-cloud ul { display: flex; flex-wrap: wrap; gap: 11px; }
.tag-cloud li {
  padding: 9px 17px; background: var(--mist); border-radius: 999px; font-size: 14px;
  color: var(--slate); border: 1px solid transparent; transition: all .22s; cursor: default;
}
.tag-cloud li:hover { border-color: var(--navy); color: var(--navy); }

/* ---------- 12. News ---------- */
.news-layout { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(24px, 4vw, 54px); }
.news-feat { position: relative; border-radius: var(--r-md); overflow: hidden; min-height: 380px; display: flex; align-items: flex-end; }
.news-feat img.bgimg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease-out); }
.news-feat:hover img.bgimg { transform: scale(1.05); }
.news-feat::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(7,31,77,.92) 8%, rgba(7,31,77,.2) 58%, transparent); }
.news-feat-body { position: relative; z-index: 2; padding: 30px; color: #fff; }
.news-flag {
  display: inline-block; background: var(--orange); color: var(--navy-deep); font-size: 12.5px; font-weight: 700;
  padding: 5px 13px; border-radius: 4px; letter-spacing: .05em; margin-bottom: 14px;
}
.news-feat-body h3 { font-size: 23px; line-height: 1.4; }
.news-list { display: flex; flex-direction: column; }
.news-item {
  display: flex; gap: 20px; padding: 20px 6px; border-bottom: 1px solid var(--line);
  align-items: center; transition: background .2s;
}
.news-item:first-child { padding-top: 4px; }
.news-item:hover { background: var(--mist); }
.news-item .ni-thumb { width: 108px; height: 76px; border-radius: 6px; object-fit: cover; flex-shrink: 0; }
.news-item h4 { font-size: 16px; line-height: 1.5; color: var(--ink); font-weight: 600; }
.news-item:hover h4 { color: var(--navy); }
.news-item p { margin-top: 6px; font-size: 13px; color: var(--faint); display: flex; gap: 12px; align-items: center; }
.news-item .cat { color: var(--orange-deep); font-weight: 700; }
.link-more { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--navy); margin-top: 18px; font-size: 15px; }
.link-more svg { width: 16px; height: 16px; }

/* ---------- 13. CTA band ---------- */
.cta-band { background: linear-gradient(110deg, var(--navy-deep), var(--navy) 70%); color: #fff; overflow: hidden; position: relative; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: clamp(44px, 6vw, 68px) 0; }
.cta-band h2 { font-size: clamp(24px, 3vw, 36px); }
.cta-band p { margin-top: 10px; color: rgba(255, 255, 255, .75); }
.cta-phone {
  display: inline-flex; align-items: center; gap: 14px; flex-shrink: 0;
}
.cta-phone svg { width: 40px; height: 40px; color: var(--orange); }
.cta-phone b { font-family: var(--font-latin); font-size: clamp(22px, 2.4vw, 30px); letter-spacing: .02em; display: block; line-height: 1.1; }
.cta-phone span { font-size: 13.5px; color: rgba(255, 255, 255, .65); }
.cta-ring {
  position: absolute; right: -140px; top: -140px; width: 420px; height: 420px; border-radius: 50%;
  border: 60px solid rgba(255, 255, 255, .05); pointer-events: none;
}

/* ---------- 14. Footer ---------- */
.site-footer { background: #081226; color: rgba(255, 255, 255, .78); font-size: 14.5px; }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 44px; padding: clamp(48px, 6vw, 76px) 0 44px; }
.f-brand img { height: 46px; margin-bottom: 18px; }
.f-brand p { color: rgba(255, 255, 255, .68); font-size: 13.8px; max-width: 34ch; }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 18px; letter-spacing: .02em; }
.footer-col ul { display: grid; gap: 11px; }
.footer-col a { color: rgba(255, 255, 255, .62); transition: color .2s; }
.footer-col a:hover { color: var(--orange); }
.f-contact li { display: flex; gap: 11px; align-items: baseline; }
.f-contact svg { width: 15px; height: 15px; color: var(--orange); flex-shrink: 0; transform: translateY(2px); }
.footer-base {
  border-top: 1px solid rgba(255, 255, 255, .09); padding: 20px 0; font-size: 13px;
  color: rgba(255, 255, 255, .4); display: flex; flex-wrap: wrap; gap: 8px 26px; justify-content: space-between;
}
.footer-base a { color: inherit; } .footer-base a:hover { color: #fff; }

/* ---------- 15. Page hero (subpages) ---------- */
.page-hero {
  position: relative; background: linear-gradient(115deg, var(--navy-deep) 22%, var(--navy) 68%, #14509e);
  color: #fff; padding: clamp(64px, 9vw, 110px) 0 clamp(46px, 6vw, 72px); overflow: hidden;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0; opacity: .16;
  background-image: repeating-linear-gradient(-52deg, transparent 0 90px, rgba(255,255,255,.5) 90px 91px);
}
.page-hero .crumb {
  position: relative; font-size: 13.5px; color: rgba(255, 255, 255, .6); margin-top: 18px;
  display: flex; gap: 9px; align-items: center; flex-wrap: wrap;
}
.page-hero .crumb a:hover { color: #fff; }
.page-hero .crumb svg { width: 13px; height: 13px; opacity: .6; }
.page-hero h1 { position: relative; font-size: clamp(30px, 4.4vw, 50px); }
.page-hero .lede { position: relative; margin-top: 16px; max-width: 62ch; color: rgba(255, 255, 255, .78); font-size: 16.5px; }
.ph deco-ring { position: absolute; }

/* ---------- 16. Services page ---------- */
.svc-domain-band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.svc-dom {
  border: 1px solid var(--line); border-radius: var(--r-md); padding: 26px 24px; background: #fff;
  transition: all .3s var(--ease-out);
}
.svc-dom:hover { border-color: var(--navy); box-shadow: var(--shadow-card); }
.svc-dom .tile-icon { position: static; margin-bottom: 16px; width: 50px; height: 50px; }
.acc-item { border-bottom: 1px solid var(--line); }
.acc-head {
  width: 100%; display: flex; align-items: center; gap: 18px; padding: 24px 6px; text-align: left;
}
.acc-head .no {
  font-family: var(--font-latin); font-weight: 700; font-size: 15px; color: var(--faint);
  letter-spacing: .08em; flex-shrink: 0; width: 40px;
}
.acc-head h3 { font-size: clamp(17px, 1.9vw, 21px); color: var(--navy-deep); flex: 1; }
.acc-toggle {
  width: 34px; height: 34px; border-radius: 50%; border: 1.5px solid var(--line); flex-shrink: 0;
  display: grid; place-items: center; transition: all .3s var(--ease-out);
}
.acc-toggle svg { width: 15px; height: 15px; color: var(--navy); transition: transform .3s var(--ease-out); }
.acc-item.open .acc-toggle { background: var(--orange); border-color: var(--orange); }
.acc-item.open .acc-toggle svg { transform: rotate(45deg); color: #fff; }
.acc-panel { max-height: 0; overflow: hidden; transition: max-height .5s var(--ease-out); }
.acc-inner { padding: 2px 6px 28px 64px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 28px; }
.acc-inner li { position: relative; padding-left: 18px; font-size: 14.8px; color: var(--slate); line-height: 1.62; }
.acc-inner li::before { content: ""; position: absolute; left: 0; top: .62em; width: 7px; height: 7px; border-radius: 2px; background: var(--orange); }

/* ---------- 17. About page extras ---------- */
.culture-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.culture-card { background: var(--navy-soft); border-radius: var(--r-md); padding: 30px 26px; transition: all .3s var(--ease-out); }
.culture-card:hover { background: var(--navy); color: #fff; transform: translateY(-4px); }
.culture-card .cz { font-family: var(--font-latin); font-weight: 800; font-size: 40px; line-height: 1; color: var(--orange); display: block; }
.culture-card b { display: block; margin-top: 14px; font-size: 18px; }
.culture-card p { margin-top: 8px; font-size: 14px; color: var(--slate); }
.culture-card:hover p { color: rgba(255,255,255,.75); }
.timeline { position: relative; margin-left: 8px; }
.timeline::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.tl-item { position: relative; padding: 0 0 30px 34px; }
.tl-item:last-child { padding-bottom: 4px; }
.tl-item::before {
  content: ""; position: absolute; left: -7px; top: 4px; width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 4px solid var(--orange);
}
.tl-item b { font-family: var(--font-latin); color: var(--navy); font-size: 18px; display: block; }
.tl-item p { margin-top: 6px; color: var(--slate); font-size: 15px; max-width: 66ch; }

/* ---------- 18. Contact page ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(30px, 5vw, 64px); }
.info-cards { display: grid; gap: 16px; align-content: start; }
.info-card {
  display: flex; gap: 18px; padding: 24px; border: 1px solid var(--line); border-radius: var(--r-md);
  transition: all .28s var(--ease-out); background: #fff;
}
.info-card:hover { border-color: var(--navy); box-shadow: var(--shadow-card); }
.info-card .ic {
  width: 48px; height: 48px; flex-shrink: 0; border-radius: 10px; background: var(--navy-soft);
  display: grid; place-items: center; color: var(--navy);
}
.info-card .ic svg { width: 22px; height: 22px; }
.info-card b { display: block; font-size: 16.5px; color: var(--navy-deep); }
.info-card p { margin-top: 5px; color: var(--slate); font-size: 15px; }
.form-shell { background: var(--mist); border-radius: var(--r-md); padding: clamp(26px, 3.4vw, 40px); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 14px; font-weight: 700; color: var(--ink); }
.field label i { color: var(--orange-deep); font-style: normal; }
.field input, .field textarea, .field select {
  font-family: inherit; font-size: 15px; color: var(--ink); background: #fff;
  border: 1.5px solid var(--line); border-radius: var(--r-sm); padding: 13px 15px;
  transition: border-color .2s, box-shadow .2s; width: 100%;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--navy); box-shadow: 0 0 0 3.5px rgba(12, 52, 122, .12);
}
.field.err input, .field.err textarea { border-color: #cf3030; }
.err-msg { display: none; font-size: 12.8px; color: #cf3030; }
.field.err .err-msg { display: block; }
.form-note { font-size: 13px; color: var(--faint); margin-top: 14px; }
.submit-btn {
  grid-column: 1 / -1; justify-content: center; display: inline-flex; align-items: center; gap: 10px;
  background: var(--navy); color: #fff; padding: 15px 34px; border-radius: 999px; font-weight: 700;
  font-size: 16px; transition: all .28s var(--ease-out);
}
.submit-btn:hover { background: var(--navy-deep); }
.submit-btn.sent { background: #157a3e; pointer-events: none; }
.map-slot {
  margin-top: 18px; border-radius: var(--r-md); border: 1px solid var(--line);
  background:
    radial-gradient(circle at 62% 40%, rgba(12,52,122,.14), transparent 30%),
    linear-gradient(rgba(222,230,241,.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(222,230,241,.4) 1px, transparent 1px),
    var(--mist);
  background-size: auto, 44px 44px, 44px 44px, auto;
  padding: 44px 30px; display: flex; gap: 16px; align-items: center;
}
.map-pin { width: 56px; height: 56px; border-radius: 50% 50% 50% 4px; background: var(--orange); transform: rotate(-45deg); display: grid; place-items: center; flex-shrink: 0; box-shadow: var(--shadow-card); }
.map-pin svg { width: 26px; height: 26px; color: #fff; transform: rotate(45deg); }

/* ---------- 19. Back-to-top ---------- */
.to-top {
  position: fixed; right: 26px; bottom: 30px; z-index: 40; width: 48px; height: 48px;
  border-radius: 50%; background: var(--navy); color: #fff; display: grid; place-items: center;
  box-shadow: var(--shadow-pop); opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: all .3s var(--ease-out);
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--orange); }
.to-top svg { width: 19px; height: 19px; }

/* ---------- 20. Responsive ---------- */
@media (max-width: 1120px) {
  .main-nav > li > a { padding: 0 13px; font-size: 15px; }
  .head-cta { padding: 10px 17px; font-size: 14px; }
}
@media (max-width: 1020px) {
  :root { --header-h: 66px; }
  .main-nav, .head-cta { display: none; }
  .burger { display: flex; }
  .brand img { height: 44px; }
  .hero { min-height: 480px; }
  .about-split, .strength-wrap, .news-layout, .contact-grid { grid-template-columns: 1fr; }
  .strength-media { order: -1; }
  .domain-grid, .svc-domain-band { grid-template-columns: 1fr 1fr; }
  .perf-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-cell:nth-child(3) { border-left: 0; }
  .stat-cell:nth-child(n+3) { border-top: 1px solid rgba(255,255,255,.12); }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .culture-band { grid-template-columns: 1fr 1fr; }
  .hero-dots { bottom: 84px; }
}
@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .utilbar .affil span.txt { display: none; }
  .utilbar-right { gap: 12px; }
  .hero { min-height: 430px; }
  .hero-actions .btn-ghost { padding: 12px 20px; }
  .stats-grid, .mini-stats { grid-template-columns: 1fr 1fr; }
  .qual-list { grid-template-columns: 1fr; }
  .domain-grid, .svc-domain-band, .perf-grid { grid-template-columns: 1fr; }
  .domain-tile.feature { grid-column: auto; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 30px; }
  .acc-inner { grid-template-columns: 1fr; padding-left: 14px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .to-top { right: 16px; bottom: 18px; }
  .hero-num { display: none; }
  .cert-card { width: 210px; }
}

/* ---------- 21. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001s !important; animation-iteration-count: 1 !important; transition-duration: .001s !important; }
  .reveal { opacity: 1; transform: none; }
  .hero-slide .bg { transform: none !important; }
}

/* ================= 22. V2 additions ================= */
svg { stroke-width: 1.5; }

/* nav anti-wrap */
.nav-row { gap: 18px; }
.brand { flex-shrink: 0; }
.brand img { height: 44px; width: auto; max-width: 44vw; }
.main-nav { flex-wrap: nowrap; gap: 2px; }
.main-nav > li > a { padding: 0 15px; font-size: 15.5px; white-space: nowrap; }
.main-nav > li > a::after { left: 15px; right: 15px; bottom: 17px; }
@media (max-width: 1120px) {
  .main-nav > li > a { padding: 0 10px; font-size: 14.5px; }
  .main-nav > li > a::after { left: 10px; right: 10px; }
  .head-cta { padding: 10px 15px; font-size: 14px; }
}

/* footer: white text */
.footer-col a { color: rgba(255, 255, 255, .88); }
.f-contact li { color: rgba(255, 255, 255, .88); }
.f-brand p { color: rgba(255, 255, 255, .78); }
.footer-base { color: rgba(255, 255, 255, .6); }

/* honors with real certificate images */
.cert-mini {
  width: 232px; flex-shrink: 0; background: #fff; border: 1px solid var(--line);
  border-radius: 8px; overflow: hidden; transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out);
}
.cert-mini:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); }
.cert-mini img { width: 100%; height: 150px; object-fit: contain; background: #fff; padding: 8px; display: block; }
.cert-mini b { display: block; padding: 11px 13px; font-size: 13px; line-height: 1.45; color: var(--ink); font-weight: 600; }

.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 6px; }
.cert-frame {
  margin: 0; background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden;
  cursor: zoom-in; transition: transform .3s var(--ease-out), box-shadow .3s var(--ease-out), border-color .3s;
}
.cert-frame:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); border-color: #b9c7db; }
.cf-img { display: block; aspect-ratio: 4 / 3.1; padding: 14px 14px 10px; }
.cf-img img { width: 100%; height: 100%; object-fit: contain; }
.cert-frame figcaption {
  border-top: 1px solid var(--line); padding: 11px 14px; font-size: 13.5px;
  line-height: 1.5; color: var(--ink); font-weight: 600;
}
@media (max-width: 1020px) { .honor-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) { .honor-grid { grid-template-columns: repeat(2, 1fr); gap: 11px; } .cf-img { padding: 9px 9px 6px; } }

/* lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 90; background: rgba(7, 31, 77, .93);
  display: none; align-items: center; justify-content: center; padding: 6vh 5vw;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: min(92vw, 980px); max-height: 84vh; background: #fff; padding: 12px;
  border-radius: 10px; box-shadow: var(--shadow-pop); object-fit: contain;
}
.lightbox-close {
  position: absolute; top: 22px; right: 26px; width: 46px; height: 46px; border-radius: 50%;
  background: rgba(255, 255, 255, .12); color: #fff; display: grid; place-items: center;
  transition: background .2s;
}
.lightbox-close:hover { background: var(--orange); }
.lightbox-cap { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); color: rgba(255,255,255,.88); font-size: 14px; text-align: center; max-width: 80vw; }

/* ================= FAQ 常见问题 ================= */
.faq-section { background: var(--mist); padding: clamp(56px, 8vw, 88px) 0; }
.faq-list { max-width: 900px; margin-inline: auto; }
.faq-item {
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--r-md); box-shadow: var(--shadow-card);
  margin-bottom: 12px; overflow: hidden;
}
.faq-item summary {
  cursor: pointer; list-style: none; display: flex; align-items: center; gap: 16px;
  padding: 19px 22px; font-weight: 700; font-size: 16px; color: var(--navy-deep);
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-toggle {
  flex: 0 0 26px; width: 26px; height: 26px; border-radius: 50%;
  display: grid; place-items: center; background: var(--navy-soft); color: var(--navy);
  transition: background .25s var(--ease-out), color .25s var(--ease-out);
}
.faq-toggle svg { width: 15px; height: 15px; transition: transform .3s var(--ease-out); }
.faq-item[open] .faq-toggle { background: var(--orange); color: #fff; }
.faq-item[open] .faq-toggle svg { transform: rotate(45deg); }
.faq-item[open] summary { border-bottom: 1px solid var(--line); }
.faq-a { padding: 15px 22px 21px 64px; color: var(--slate); font-size: 15px; line-height: 1.85; }
.faq-a p { margin: 0; }
@media (max-width: 640px) {
  .faq-item summary { padding: 15px 15px; align-items: flex-start; gap: 12px; font-size: 15px; }
  .faq-a { padding: 13px 15px 18px 53px; font-size: 14.5px; }
}
