/* ============================================================
   上海永互物流有限公司 · 官网 v2
   设计方向：Swiss / Minimal，深蓝 + 青蓝品牌色
   ============================================================ */

:root{
  --primary:#1473ab;
  --primary-600:#0f5f8f;
  --primary-700:#0b4a70;
  --accent:#30bbdd;
  --accent-soft:#e7f7fb;
  --navy:#071d2e;
  --navy-2:#0a2b42;
  --ink:#0f2233;
  --ink-2:#30465a;
  --muted:#617282;
  --line:rgba(15,34,51,.10);
  --line-strong:rgba(15,34,51,.16);
  --bg:#ffffff;
  --bg-soft:#f5f9fc;
  --bg-tint:#eef6fb;
  --card:#ffffff;
  --radius:18px;
  --radius-lg:26px;
  --shadow-sm:0 1px 2px rgba(15,34,51,.04),0 8px 24px rgba(15,34,51,.05);
  --shadow:0 2px 6px rgba(15,34,51,.04),0 18px 48px rgba(15,34,51,.08);
  --shadow-lg:0 30px 80px rgba(9,40,64,.16);
  --ease:cubic-bezier(.16,1,.3,1);
  --maxw:1180px;
  --header-h:76px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",sans-serif;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}

body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary-600)}
img,svg{display:block;max-width:100%}
ul,ol{list-style:none}
button{font:inherit}

::selection{background:rgba(48,187,221,.25);color:var(--ink)}

:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px}

.skip-link{
  position:fixed;top:12px;left:12px;z-index:999;
  background:var(--navy);color:#fff;padding:10px 18px;border-radius:999px;
  transform:translateY(-160%);transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translateY(0);color:#fff}

/* ================= Header ================= */
.site-header{
  position:sticky;top:0;z-index:100;height:var(--header-h);
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:0 8px 30px rgba(15,34,51,.06);
}
.header-inner{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:24px}

.brand{display:inline-flex;align-items:center;gap:0;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-logo{height:62px;width:auto;display:block}
.brand-logo-wrap{display:inline-flex;align-items:center;background:#fff;border-radius:14px;padding:8px 12px}

.main-nav{display:flex;align-items:center;gap:30px}
.main-nav a{
  position:relative;font-size:14.5px;font-weight:500;color:var(--ink-2);
  padding:8px 0;letter-spacing:.02em;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .25s var(--ease);
}
.main-nav a:hover{color:var(--primary)}
.main-nav a:hover::after,.main-nav a.is-active::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--primary)}

.header-actions{display:flex;align-items:center;gap:18px}
.header-phone{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--ink-2);font-weight:600}
.header-phone svg{width:15px;height:15px;fill:none;stroke:var(--primary);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.header-phone:hover{color:var(--primary)}

.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;
  background:#fff;cursor:pointer;padding:11px 10px;flex-direction:column;justify-content:space-between;
}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s var(--ease),opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ================= Buttons ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .25s var(--ease),background .2s,color .2s,border-color .2s;
}
.btn svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn-primary{
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-600) 100%);
  color:#fff;box-shadow:0 10px 26px rgba(20,115,171,.28),inset 0 1px 0 rgba(255,255,255,.18);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(20,115,171,.34),inset 0 1px 0 rgba(255,255,255,.18)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.72);border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{color:var(--primary);border-color:rgba(20,115,171,.4);background:#fff;transform:translateY(-2px)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%;padding:15px 24px}

/* ================= Shared type ================= */
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--primary);margin-bottom:18px;
}
.eyebrow-dark{color:var(--primary)}
.pulse-dot{
  width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px rgba(48,187,221,.16);
}
.section{padding:86px 0}
.section-alt{background:var(--bg-soft);border-top:1px solid rgba(15,34,51,.05);border-bottom:1px solid rgba(15,34,51,.05)}
.section-head{max-width:700px;margin:0 auto 40px;text-align:center}
.section-title{
  font-size:clamp(28px,3.6vw,42px);line-height:1.28;font-weight:800;
  letter-spacing:-.02em;color:var(--ink);
}
.section-sub{margin-top:13px;color:var(--muted);font-size:15.5px;line-height:1.8}
.section-head .eyebrow{font-size:14px;letter-spacing:.16em;margin-bottom:14px;gap:8px}
.section-head .eyebrow::before,.section-head .eyebrow::after{
  content:"";width:20px;height:1px;border-radius:1px;
  background:linear-gradient(90deg,transparent,rgba(48,187,221,.75));
}
.section-head .eyebrow::after{background:linear-gradient(90deg,rgba(48,187,221,.75),transparent)}

/* ================= Hero ================= */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#f7fbfe 0%,#ffffff 78%);
  padding:84px 0 70px;
}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.orb{position:absolute;border-radius:50%;filter:blur(10px);opacity:.7}
.orb-a{width:620px;height:620px;right:-180px;top:-220px;background:radial-gradient(circle,rgba(48,187,221,.20),rgba(48,187,221,0) 68%)}
.orb-b{width:540px;height:540px;left:-200px;top:120px;background:radial-gradient(circle,rgba(20,115,171,.14),rgba(20,115,171,0) 70%)}
.grid-lines{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(15,34,51,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(15,34,51,.045) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 30%,#000 0%,transparent 72%);
  mask-image:radial-gradient(ellipse at 50% 30%,#000 0%,transparent 72%);
  opacity:.6;
}

.hero-inner{position:relative;display:grid;grid-template-columns:1.02fr .98fr;align-items:center;gap:64px}
.hero-copy{max-width:600px}
.hero h1{
  font-size:clamp(34px,4.4vw,52px);line-height:1.16;font-weight:800;
  letter-spacing:-.03em;color:var(--ink);
}
.grad-text{
  background:linear-gradient(100deg,var(--primary) 0%,#1b8fbd 50%,var(--accent) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-desc{margin-top:24px;max-width:540px;color:var(--ink-2);font-size:16.5px;line-height:1.85}
.hero-actions{margin-top:34px;display:flex;gap:12px;flex-wrap:wrap}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:32px;padding-top:26px;border-top:1px solid var(--line)}
.hero-points li{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);font-weight:500}
.hero-points svg{width:15px;height:15px;fill:none;stroke:var(--accent);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}

/* --- route visual --- */
.hero-visual{position:relative;padding:12px 0 30px}
.route-card{
  position:relative;background:rgba(255,255,255,.9);
  border:1px solid rgba(255,255,255,.9);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg),0 0 0 1px rgba(15,34,51,.05);
  padding:22px 22px 18px;
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  overflow:hidden;
}
.route-card::before{
  content:"";position:absolute;inset:0 0 auto;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--accent),#8fe3f2);
}
.route-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.route-title{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--ink-2);letter-spacing:.06em}
.live-dot{width:8px;height:8px;border-radius:50%;background:#19b57a;box-shadow:0 0 0 4px rgba(25,181,122,.14)}
.route-code{font-size:11px;font-weight:700;letter-spacing:.18em;color:var(--muted);background:var(--bg-soft);border:1px solid var(--line);padding:5px 10px;border-radius:999px}
.coverage-hero{
  position:relative;height:212px;margin:4px 0 10px;border-radius:16px;overflow:hidden;
  background:linear-gradient(165deg,#f3fbff 0%,#e7f4fb 100%);
  border:1px solid rgba(20,115,171,.08);display:grid;place-items:center;
}
.coverage-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(20,115,171,.16) 1px,transparent 1px);
  background-size:16px 16px;opacity:.55;
  -webkit-mask-image:radial-gradient(circle at 50% 50%,#000,transparent 76%);
  mask-image:radial-gradient(circle at 50% 50%,#000,transparent 76%);
}
.coverage-rings{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none}
.coverage-rings span{position:absolute;border-radius:50%;border:1px solid rgba(20,115,171,.14)}
.coverage-rings span:nth-child(1){width:118px;height:118px}
.coverage-rings span:nth-child(2){width:186px;height:186px;border-style:dashed;border-color:rgba(48,187,221,.34)}
.coverage-rings span:nth-child(3){width:258px;height:258px;opacity:.55}
.coverage-center{position:relative;z-index:1;text-align:center;padding-bottom:2px}
.coverage-kicker{
  display:inline-flex;align-items:center;gap:7px;font-size:10.5px;letter-spacing:.14em;
  color:var(--primary-600);font-weight:700;background:#fff;
  border:1px solid rgba(20,115,171,.12);padding:5px 11px;border-radius:999px;
  box-shadow:0 4px 12px rgba(20,115,171,.06);
}
.coverage-kicker svg{width:13px;height:13px;fill:none;stroke:var(--primary);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.coverage-big{
  display:block;margin-top:11px;font-size:62px;line-height:1;font-weight:800;letter-spacing:.08em;
  background:linear-gradient(120deg,var(--primary) 0%,#1c93bf 55%,var(--accent) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.coverage-sub{display:block;margin-top:9px;font-size:11px;letter-spacing:.26em;color:var(--muted);font-weight:700}
.coverage-truck{
  position:absolute;right:14px;bottom:12px;width:38px;height:38px;border-radius:12px;
  background:#fff;box-shadow:0 8px 20px rgba(9,40,64,.12);display:grid;place-items:center;
}
.coverage-truck svg{width:20px;height:20px;fill:none;stroke:var(--primary);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.coverage-note{text-align:center;font-size:13.5px;color:var(--ink-2);font-weight:500;margin:0 0 12px;letter-spacing:.01em}
.cargo-row{display:flex;align-items:center;flex-wrap:wrap;gap:7px;margin-bottom:12px}
.cargo-label{font-size:10px;letter-spacing:.14em;color:var(--muted);font-weight:700;margin-right:2px}
.cargo-pill{
  display:inline-flex;align-items:center;gap:5px;
  font-size:11px;font-weight:600;color:var(--ink-2);
  background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;
  padding:4px 10px;line-height:1.4;
}
.cargo-dot{width:6px;height:6px;border-radius:50%;flex:0 0 6px}
.dot-normal{background:var(--primary)}
.dot-cold{background:var(--accent)}
.dot-danger{background:#d98a1f}

.route-foot{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;border-top:1px solid var(--line);padding-top:14px;margin-top:2px}
.route-stat{display:flex;flex-direction:column;align-items:center;gap:2px;padding:4px 0}
.route-stat strong{font-size:15px;font-weight:800;color:var(--ink)}
.route-stat span{font-size:9.5px;letter-spacing:.16em;color:var(--muted);font-weight:600}

.float-chip{
  position:absolute;display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid rgba(15,34,51,.07);border-radius:16px;
  padding:11px 14px;box-shadow:0 14px 40px rgba(9,40,64,.16);
  animation:floatY 6s ease-in-out infinite;
}
.float-chip strong{display:block;font-size:12.5px;line-height:1.3;color:var(--ink)}
.float-chip small{display:block;font-size:10.5px;color:var(--muted);line-height:1.3;margin-top:2px}
.chip-icon{width:34px;height:34px;border-radius:10px;background:var(--accent-soft);display:grid;place-items:center;flex:0 0 34px}
.chip-icon svg{width:17px;height:17px;fill:none;stroke:var(--primary);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.chip-a{left:-30px;top:76px;animation-delay:-1.5s}
.chip-b{right:-26px;bottom:-34px;animation-delay:-3.4s}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* --- metrics --- */
/* ================= About ================= */
.about{background:#fff}
.about-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:72px;align-items:center}
.about-copy .section-title{margin-bottom:22px}
.about-copy > p{color:var(--ink-2);font-size:15.5px;line-height:1.9;margin-bottom:14px;max-width:560px}
.check-list{display:grid;gap:18px;margin-top:30px}
.check-list li{display:flex;gap:14px;align-items:flex-start}
.check{width:26px;height:26px;flex:0 0 26px;border-radius:50%;background:var(--accent-soft);display:grid;place-items:center;margin-top:1px}
.check svg{width:14px;height:14px;fill:none;stroke:var(--primary);stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.check-list strong{display:block;font-size:14.5px;color:var(--ink);margin-bottom:2px}
.check-list small{display:block;font-size:13.8px;line-height:1.55;color:var(--muted)}

.about-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 62%,#0d3a58 100%);
  color:#fff;padding:40px 38px 32px;box-shadow:0 30px 70px rgba(7,29,46,.24);
}
.about-panel::before{
  content:"";position:absolute;width:320px;height:320px;right:-140px;top:-120px;border-radius:50%;
  background:radial-gradient(circle,rgba(48,187,221,.26),transparent 65%);
}
.about-panel::after{
  content:"";position:absolute;left:-40px;bottom:-120px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,115,171,.32),transparent 68%);
}
.panel-top{position:relative;z-index:1}
.panel-tag{font-size:10.5px;letter-spacing:.22em;font-weight:700;color:rgba(255,255,255,.55)}
.panel-quote{font-size:34px;line-height:1.34;font-weight:800;letter-spacing:.06em;margin-top:16px}
.panel-quote span{color:var(--accent)}
.panel-note{margin-top:16px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px}
.panel-list{position:relative;z-index:1;margin-top:30px;border-top:1px solid rgba(255,255,255,.14);padding-top:8px}
.panel-list > div{display:flex;justify-content:space-between;gap:20px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.09)}
.panel-list > div:last-child{border-bottom:none}
.panel-list dt{font-size:12px;color:rgba(255,255,255,.5);white-space:nowrap}
.panel-list dd{font-size:12.5px;color:rgba(255,255,255,.92);text-align:right;font-weight:500}

/* ================= Services ================= */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.service-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:27px 26px 23px;
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
}
.service-card::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease);
}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(20,115,171,.22)}
.service-card:hover::after{transform:scaleX(1)}
.service-no{position:absolute;right:24px;top:18px;font-size:44px;font-weight:800;letter-spacing:-.04em;color:rgba(15,34,51,.06);line-height:1}
.service-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(145deg,#eef9fd,#e1f3fa);
  border:1px solid rgba(20,115,171,.12);margin-bottom:15px;
}
.service-icon svg{width:25px;height:25px;fill:none;stroke:var(--primary);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.service-card h3{font-size:19px;font-weight:800;letter-spacing:.01em;margin-bottom:7px}
.service-card p{font-size:14.4px;line-height:1.6;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}
.chips span{
  font-size:12px;font-weight:600;color:var(--primary-600);
  background:var(--accent-soft);border:1px solid rgba(48,187,221,.2);
  padding:5px 11px;border-radius:999px;
}

/* ================= Process ================= */
.process{background:#fff}
.process-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.process-grid::before{
  content:"";position:absolute;left:7%;right:7%;top:23px;height:1px;
  background:linear-gradient(90deg,rgba(20,115,171,.12),rgba(48,187,221,.45),rgba(20,115,171,.12));
}
.process-step{position:relative;padding-top:0}
.step-no{
  position:relative;z-index:1;display:grid;place-items:center;
  width:47px;height:47px;border-radius:50%;background:#fff;
  border:1px solid rgba(20,115,171,.28);color:var(--primary);
  font-size:13px;font-weight:800;letter-spacing:.04em;
  box-shadow:0 0 0 7px #fff,0 8px 20px rgba(20,115,171,.10);
  margin-bottom:18px;
}
.process-step h3{font-size:16px;font-weight:800;margin-bottom:7px}
.process-step p{font-size:14.5px;line-height:1.55;color:var(--muted);max-width:270px}

/* ================= Advantages ================= */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.adv-card{
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  padding:23px 22px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s;
}
.adv-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(20,115,171,.2)}
.adv-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--bg-tint);border:1px solid rgba(20,115,171,.1);margin-bottom:13px;
  transition:background .3s;
}
.adv-card:hover .adv-icon{background:var(--accent-soft)}
.adv-icon svg{width:22px;height:22px;fill:none;stroke:var(--primary);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.adv-card h3{font-size:16px;font-weight:800;margin-bottom:6px}
.adv-card p{font-size:14.4px;line-height:1.6;color:var(--muted)}

/* ================= Contact ================= */
.contact-section{position:relative;background:var(--navy);color:#fff;padding:86px 0;overflow:hidden}
.contact-bg{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse at 12% 8%,rgba(48,187,221,.20),transparent 52%),
    radial-gradient(ellipse at 88% 88%,rgba(20,115,171,.28),transparent 55%);
}
.contact-bg::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(ellipse at 40% 40%,#000,transparent 78%);
  mask-image:radial-gradient(ellipse at 40% 40%,#000,transparent 78%);
}
.contact-grid{position:relative;display:grid;grid-template-columns:1fr .92fr;gap:72px;align-items:start}
.contact-copy .eyebrow{color:var(--accent)}
.contact-copy h2{font-size:clamp(32px,4.2vw,50px);line-height:1.2;font-weight:800;letter-spacing:-.03em}
.contact-lead{margin-top:18px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:430px}
.contact-list{display:grid;gap:6px;margin-top:38px}
.contact-list li{display:flex;gap:15px;align-items:flex-start;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.09)}
.contact-list li:last-child{border-bottom:none}
.contact-icon{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);
}
.contact-icon svg{width:19px;height:19px;fill:none;stroke:var(--accent);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.contact-list small{display:block;font-size:11px;letter-spacing:.12em;color:rgba(255,255,255,.42);font-weight:600;margin-bottom:2px}
.contact-list p{font-size:14.5px;line-height:1.7;color:rgba(255,255,255,.9)}
.contact-list a{color:rgba(255,255,255,.92)}
.contact-list a:hover{color:var(--accent)}

.contact-form-card{
  background:#fff;color:var(--ink);border-radius:var(--radius-lg);
  padding:34px 32px;box-shadow:0 40px 90px rgba(0,0,0,.35);
}
.form-head{margin-bottom:22px}
.form-head h3{font-size:20px;font-weight:800;letter-spacing:.01em}
.form-head p{margin-top:5px;font-size:13px;color:var(--muted)}
.form-row{margin-bottom:14px}
.form-row label{display:block;font-size:12.5px;font-weight:700;color:var(--ink-2);margin-bottom:6px}
.form-row input,.form-row textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line-strong);border-radius:11px;
  font-size:14.5px;font-family:inherit;color:var(--ink);background:#f9fbfd;
  transition:border-color .2s,box-shadow .2s,background .2s;resize:vertical;
}
.form-row input::placeholder,.form-row textarea::placeholder{color:#9aa9b6}
.form-row input:focus,.form-row textarea:focus{
  outline:none;border-color:var(--accent);background:#fff;
  box-shadow:0 0 0 4px rgba(48,187,221,.14);
}
.form-tip{margin-top:12px;font-size:11.5px;line-height:1.6;color:var(--muted);text-align:center}

/* ================= Footer ================= */
.site-footer{background:#04121d;color:rgba(255,255,255,.6);padding:60px 0 26px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.09)}
.brand-light .brand-logo{height:56px}
.brand-light .brand-logo-wrap{box-shadow:0 10px 24px rgba(0,0,0,.18)}
.footer-brand p{margin-top:18px;font-size:13px;line-height:1.8;color:rgba(255,255,255,.46)}
.footer-col{display:flex;flex-direction:column;gap:9px}
.footer-col h4{font-size:12px;letter-spacing:.12em;color:#fff;font-weight:700;margin-bottom:6px}
.footer-col a,.footer-col span{font-size:13px;line-height:1.6;color:rgba(255,255,255,.56)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:22px;flex-wrap:wrap}
.footer-bottom p{font-size:12px;color:rgba(255,255,255,.38)}
.footer-beian{display:flex;align-items:center;gap:8px}
.footer-beian a{color:rgba(255,255,255,.4)}
.footer-beian a:hover{color:var(--accent)}
.beian-sep{color:rgba(255,255,255,.18)}

/* ================= Reveal ================= */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.services-grid .reveal:nth-child(2){transition-delay:.08s}
.services-grid .reveal:nth-child(3){transition-delay:.16s}
.adv-grid .reveal:nth-child(2){transition-delay:.06s}
.adv-grid .reveal:nth-child(3){transition-delay:.12s}
.adv-grid .reveal:nth-child(4){transition-delay:.06s}
.adv-grid .reveal:nth-child(5){transition-delay:.12s}
.adv-grid .reveal:nth-child(6){transition-delay:.18s}
.process-grid .reveal:nth-child(2){transition-delay:.08s}
.process-grid .reveal:nth-child(3){transition-delay:.16s}
.process-grid .reveal:nth-child(4){transition-delay:.24s}

/* ================= Responsive ================= */
@media (max-width:1040px){
  .hero-inner{grid-template-columns:1fr;gap:52px}
  .hero-copy{max-width:680px}
  .hero-visual{max-width:520px;width:100%;justify-self:center}
  .chip-a{left:-14px}
  .chip-b{right:-8px;bottom:-28px}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:48px}
  .about-copy{max-width:680px}
  .about-panel{max-width:640px}
  .contact-copy{max-width:680px}
  .contact-form-card{max-width:640px}
  .process-grid{grid-template-columns:1fr 1fr;gap:36px 24px}
  .process-grid::before{display:none}
}

@media (max-width:900px){
  .main-nav{
    position:fixed;top:var(--header-h);left:0;right:0;z-index:99;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(255,255,255,.98);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);padding:8px 28px 18px;
    box-shadow:0 20px 40px rgba(15,34,51,.10);
    transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;
    transition:transform .3s var(--ease),opacity .25s,visibility .25s;
  }
  .main-nav.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto}
  .main-nav a{padding:15px 0;border-bottom:1px solid var(--line);font-size:15px}
  .main-nav a:last-child{border-bottom:none}
  .main-nav a::after{display:none}
  .nav-toggle{display:flex}
  .header-phone{display:none}
  .header-cta{display:none}
  .services-grid{grid-template-columns:1fr;gap:16px}
  .service-card p{min-height:0}
  .adv-grid{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}

@media (max-width:720px){
  .container{padding:0 20px}
  .brand-logo{height:48px}
  .brand-logo-wrap{padding:6px 10px}
  .brand-light .brand-logo{height:44px}
  .section{padding:78px 0}
  .hero{padding:56px 0 42px}
  .hero h1{font-size:clamp(34px,9vw,46px)}
  .hero-desc{font-size:15.5px}
  .hero-points{gap:8px 16px}
  .route-card{padding:18px 16px 14px}
  .coverage-hero{height:190px}
  .coverage-big{font-size:54px}
  .float-chip{padding:9px 11px;gap:8px}
  .chip-icon{width:30px;height:30px;flex-basis:30px;border-radius:9px}
  .chip-a{left:-4px;top:52px}
  .chip-b{right:-2px;bottom:34px}
  .about-panel{padding:32px 26px 24px}
  .panel-quote{font-size:29px}
  .contact-section{padding:78px 0}
  .contact-form-card{padding:26px 22px}
  .footer-top{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .section-head{margin-bottom:42px}
}

@media (max-width:520px){
  .adv-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr;gap:28px}
  .process-grid .step-no{margin-bottom:14px}
  .process-step p{max-width:none}
  .hero-actions .btn{width:100%}
  .float-chip{display:none}
  .footer-beian{flex-wrap:wrap}
}

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