/* ==========================================================================
   泰鑫物流 TAISHIN LOGISTICS — 视觉系统 v2
   色彩取自已官网上线版：品牌蓝 #005BA1 / 强调红 #E60012 / 深藏蓝 #020617
   ========================================================================== */

:root{
  /* 品牌色（源自原官网，未改动色相） */
  --blue:        #005BA1;
  --blue-deep:   #004276;
  --blue-bright: #0A7BC4;
  --red:         #E60012;
  --red-deep:    #C00010;

  /* 中性 */
  --navy:        #04101F;
  --navy-2:      #071C33;
  --ink:         #0B1B2B;
  --muted:       #5B6B7C;
  --muted-2:     #8695A4;
  --line:        #E2E8F0;
  --line-dark:   rgba(255,255,255,.14);
  --paper:       #F4F7FA;
  --white:       #FFFFFF;

  --maxw: 1280px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
}

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

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

body{
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul{list-style:none}

.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 clamp(20px,4.2vw,56px);
}

/* ---------- 通用排版 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:600;letter-spacing:.22em;
  text-transform:uppercase;color:var(--blue);
}
.eyebrow::before{
  content:"";width:26px;height:2px;background:var(--red);flex:none;
}
.eyebrow.on-dark{color:rgba(255,255,255,.66)}

.h-sec{
  font-size:clamp(32px,4.3vw,60px);
  font-weight:700;line-height:1.22;letter-spacing:-.01em;
  color:var(--ink);
}
.h-sec .accent{color:var(--blue)}
.sub-sec{
  margin-top:16px;max-width:620px;
  font-size:clamp(14px,1.15vw,16px);line-height:1.85;color:var(--muted);
}
.on-dark .h-sec{color:#fff}
.on-dark .sub-sec{color:rgba(255,255,255,.62)}

.sec{padding:clamp(34px,3.2vw,46px) 0}
section[id]{scroll-margin-top:86px}
.sec-head{
  display:flex;justify-content:space-between;align-items:flex-end;
  gap:48px;margin-bottom:clamp(20px,2.2vw,30px);
}
.sec-head .right{flex:none;padding-bottom:6px}

/* 文字链接箭头 */
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--blue);
  padding-bottom:3px;border-bottom:1px solid rgba(0,91,161,.3);
  transition:all .3s var(--ease);
}
.link-arrow svg{width:15px;height:15px;transition:transform .3s var(--ease)}
.link-arrow:hover{color:var(--red);border-color:var(--red)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:52px;padding:0 30px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border-radius:2px;white-space:nowrap;
  transition:all .28s var(--ease);
}
.btn svg{width:16px;height:16px;flex:none}

.btn-red{background:var(--red);color:#fff;box-shadow:0 2px 0 var(--red-deep)}
.btn-red:hover{background:var(--red-deep);transform:translateY(-2px);box-shadow:0 10px 24px rgba(230,0,18,.28)}

.btn-ghost{
  color:#fff;border:1px solid rgba(255,255,255,.42);
  backdrop-filter:blur(8px);background:rgba(255,255,255,.06);
}
.btn-ghost:hover{background:#fff;color:var(--navy);border-color:#fff}

.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-deep);transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,91,161,.28)}

.btn-line{color:var(--blue);border:1px solid rgba(0,91,161,.28)}
.btn-line:hover{background:var(--blue);color:#fff;border-color:var(--blue)}

/* 播放三角 */
.play-dot{
  width:34px;height:34px;flex:none;
  display:inline-grid;place-items:center;
  border-radius:50%;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.34);
}
.play-dot svg{width:11px;height:11px;margin-left:2px;fill:#fff}

/* ==========================================================================
   顶栏
   ========================================================================== */
.topbar{
  position:relative;z-index:60;
  background:var(--navy);
  border-bottom:1px solid rgba(255,255,255,.07);
  font-size:12.5px;color:rgba(255,255,255,.58);
}
.topbar .container{
  display:flex;align-items:center;justify-content:space-between;
  height:40px;gap:24px;
}
.topbar-left{display:flex;align-items:center;gap:28px;min-width:0}
.topbar-item{display:flex;align-items:center;gap:7px;white-space:nowrap}
.topbar-item svg{width:13px;height:13px;opacity:.55;flex:none}
.topbar-item a:hover{color:#fff}
.topbar-right{display:flex;align-items:center;gap:18px;flex:none}

/* 语言切换 */
.lang{
  display:flex;align-items:center;
  border:1px solid rgba(255,255,255,.16);
  border-radius:2px;overflow:hidden;height:24px;
}
.lang a{
  padding:0 11px;height:100%;display:flex;align-items:center;
  font-size:11.5px;letter-spacing:.06em;color:rgba(255,255,255,.55);
  transition:all .25s var(--ease);
}
.lang a.active{background:#fff;color:var(--navy);font-weight:700}
.lang a:not(.active):hover{color:#fff;background:rgba(255,255,255,.08)}

/* ==========================================================================
   导航
   ========================================================================== */
.nav{
  position:absolute;left:0;right:0;top:40px;z-index:50;
  transition:all .35s var(--ease);
}
.nav .container{
  display:flex;align-items:center;justify-content:space-between;
  height:84px;gap:24px;
}
.brand{display:flex;align-items:center;flex:none}
.brand-logo{height:46px;width:auto;display:block}
.brand-logo.dark{position:absolute;opacity:0;transition:opacity .3s var(--ease)}
.brand-logo.light{transition:opacity .3s var(--ease)}
.brand{position:relative}

.nav .container > nav{margin:0 auto}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-menu > li > a{
  position:relative;display:block;
  padding:10px 12px;font-size:14px;font-weight:500;
  color:rgba(255,255,255,.84);letter-spacing:.02em;
  transition:color .25s var(--ease);
}
.nav-menu > li > a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;
  height:2px;background:var(--red);
  transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav-menu > li > a:hover{color:#fff}
.nav-menu > li > a:hover::after,
.nav-menu > li.current > a::after{transform:scaleX(1)}
.nav-menu > li.current > a{color:#fff}

.nav-actions{display:flex;align-items:center;gap:14px;flex:none}
.nav-tel{display:flex;flex-direction:column;line-height:1.2;text-align:right}
.nav-tel span{font-size:10px;letter-spacing:.14em;color:rgba(255,255,255,.45);text-transform:uppercase}
.nav-tel strong{font-size:17px;font-weight:700;color:#fff;letter-spacing:.02em;font-variant-numeric:tabular-nums}
.nav .btn{height:44px;padding:0 20px;font-size:14px}

/* 滚动后变实底 */
.nav.is-stuck{
  position:fixed;top:0;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(14px);
  box-shadow:0 1px 0 var(--line),0 12px 32px rgba(4,16,31,.07);
}
.nav.is-stuck .container{height:70px}
.nav.is-stuck .brand-logo.light{opacity:0}
.nav.is-stuck .brand-logo.dark{opacity:1}
.nav.is-stuck .nav-menu > li > a{color:var(--muted)}
.nav.is-stuck .nav-menu > li > a:hover,
.nav.is-stuck .nav-menu > li.current > a{color:var(--blue)}
.nav.is-stuck .nav-tel span{color:var(--muted-2)}
.nav.is-stuck .nav-tel strong{color:var(--ink)}

/* 汉堡 */
.burger{display:none;width:42px;height:42px;position:relative;flex:none}
.burger i{
  position:absolute;left:11px;width:20px;height:1.5px;background:#fff;
  transition:all .3s var(--ease);
}
.burger i:nth-child(1){top:15px}
.burger i:nth-child(2){top:21px}
.burger i:nth-child(3){top:27px}
.nav.is-stuck .burger i{background:var(--ink)}

/* ==========================================================================
   首屏
   ========================================================================== */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;flex-direction:column;justify-content:center;
  background:var(--navy);
  overflow:hidden;
  padding:clamp(104px,8.2vw,114px) 0 clamp(40px,4.2vw,56px);
}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media video,
.hero-media img{
  width:100%;height:100%;object-fit:cover;
  transform:scale(1.03);
  filter:brightness(1.08) saturate(1.04);
}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(4,16,31,.92) 0%,rgba(4,16,31,.5) 32%,rgba(4,16,31,.68) 74%,rgba(4,16,31,.96) 100%),
    linear-gradient(100deg,rgba(0,50,92,.72) 0%,rgba(4,16,31,.18) 58%,rgba(4,16,31,.5) 100%);
}
/* 细网格纹理 */
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,#000 20%,transparent 78%);
}

.hero .container{position:relative;z-index:2}

.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  height:32px;padding:0 14px;
  border:1px solid rgba(255,255,255,.24);
  border-radius:2px;
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(8px);
  font-size:11.5px;letter-spacing:.16em;color:rgba(255,255,255,.8);
  text-transform:uppercase;
}
.hero-badge b{
  width:6px;height:6px;border-radius:50%;background:var(--red);
  box-shadow:0 0 0 3px rgba(230,0,18,.22);
  animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 3px rgba(230,0,18,.22)}
  50%{box-shadow:0 0 0 7px rgba(230,0,18,.04)}
}

.hero-title{
  margin-top:32px;
  font-size:clamp(46px,7.7vw,124px);
  font-weight:800;
  line-height:1.05;
  letter-spacing:0;
  color:#fff;
  text-shadow:0 2px 60px rgba(0,0,0,.34);
}
.hero-title .hl{color:#fff;position:relative;white-space:nowrap}
.hero-title .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:.06em;
  height:.14em;background:var(--red);opacity:.9;z-index:-1;
}
.hero-title .blue{color:#66BBEF}

.hero-desc{
  margin-top:30px;max-width:640px;
  font-size:clamp(16px,1.35vw,19px);
  line-height:1.9;color:rgba(255,255,255,.76);
  border-left:2px solid rgba(230,0,18,.8);
  padding-left:22px;
}

.hero-actions{display:flex;gap:14px;margin-top:40px;flex-wrap:wrap}

/* 首屏底部悬浮数据条 */
.hero-stats{
  position:relative;z-index:3;
  margin-top:auto;
  padding-top:clamp(40px,4.6vw,62px);
}
.stats-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:none;
  border:0;border-top:1px solid rgba(255,255,255,.22);
  border-radius:0;
  padding-top:clamp(24px,2.8vw,36px);
}
.stat{
  position:relative;
  padding:0 clamp(16px,2.4vw,40px);
  border-right:1px solid rgba(255,255,255,.16);
}
.stat:first-child{padding-left:0}
.stat:last-child{border-right:0}
.stat-num{
  display:flex;align-items:baseline;gap:4px;
  font-size:clamp(38px,4.3vw,66px);font-weight:800;color:#fff;
  letter-spacing:-.01em;line-height:1;
  font-variant-numeric:tabular-nums;
}
.stat-num em{
  font-style:normal;font-size:.46em;font-weight:600;
  color:var(--blue-bright);letter-spacing:.02em;
}
.stat-label{
  margin-top:10px;font-size:12.5px;color:rgba(255,255,255,.5);
  letter-spacing:.04em;
}

/* 首屏右侧竖排提示 */
.hero-side{
  position:absolute;right:clamp(16px,3vw,42px);bottom:150px;z-index:3;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.hero-side span{
  writing-mode:vertical-rl;
  font-size:10.5px;letter-spacing:.34em;color:rgba(255,255,255,.4);
  text-transform:uppercase;
}
.hero-side i{width:1px;height:54px;background:linear-gradient(rgba(255,255,255,.4),transparent)}

/* ==========================================================================
   信任条
   ========================================================================== */
.trust{
  background:var(--white);
  border-bottom:1px solid var(--line);
}
.trust .container{
  display:flex;align-items:center;gap:clamp(24px,4vw,56px);
  padding-top:26px;padding-bottom:26px;
}
.trust-label{
  flex:none;font-size:11.5px;letter-spacing:.16em;color:var(--muted-2);
  text-transform:uppercase;padding-right:clamp(24px,4vw,56px);
  border-right:1px solid var(--line);
  line-height:1.5;
}
.trust-list{
  display:flex;align-items:center;gap:clamp(24px,4.2vw,64px);
  flex:1;flex-wrap:wrap;
}
.trust-item{
  display:flex;align-items:center;gap:10px;
  font-size:13.5px;font-weight:500;color:var(--muted);
  white-space:nowrap;
}
.trust-item svg{width:18px;height:18px;color:var(--blue);flex:none}
/* 信任条之后紧接的区块：收紧顶部留白，避免出现大片空白 */
.trust + .sec{padding-top:clamp(26px,2.6vw,38px)}

/* ==========================================================================
   服务
   ========================================================================== */
.services{background:var(--white)}
.svc-grid{
  display:grid;grid-template-columns:repeat(2,1fr);
  gap:clamp(12px,1.5vw,20px);
}
.svc{
  position:relative;display:block;
  aspect-ratio:16/10;
  overflow:hidden;border-radius:3px;
  background:var(--navy);
  isolation:isolate;
}
.svc img{
  width:100%;height:100%;object-fit:cover;object-position:center 46%;
  transition:transform .9s var(--ease),filter .6s var(--ease);
  filter:brightness(.9) saturate(1.02);
}
.svc::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(4,16,31,.18) 0%,rgba(4,16,31,.48) 30%,rgba(4,16,31,.86) 62%,rgba(4,16,31,.97) 100%);
  transition:opacity .5s var(--ease);
}
.svc:hover img{transform:scale(1.07);filter:brightness(1.14) saturate(1.08)}
.svc:hover::after{
  background:linear-gradient(180deg,rgba(0,66,118,.42) 0%,rgba(4,16,31,.52) 32%,rgba(4,16,31,.9) 64%,rgba(4,16,31,.98) 100%);
}
.svc-inner{
  position:absolute;inset:0;z-index:2;
  display:flex;flex-direction:column;justify-content:space-between;
  padding:clamp(22px,2.6vw,40px);
}
.svc-no{
  font-size:11.5px;letter-spacing:.22em;
  color:rgba(255,255,255,.72);font-weight:600;
  text-shadow:0 1px 10px rgba(0,0,0,.6);
}
.svc-foot{}
.svc-ico{
  width:42px;height:42px;margin-bottom:18px;
  display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.28);
  border-radius:2px;color:#fff;
  transition:all .3s var(--ease);
}
.svc-ico svg{width:18px;height:18px}
.svc:hover .svc-ico{background:var(--red);border-color:var(--red)}
.svc h3{
  font-size:clamp(22px,2.2vw,32px);font-weight:700;color:#fff;
  letter-spacing:.01em;line-height:1.28;
  text-shadow:0 2px 18px rgba(0,0,0,.55);
}
.svc p{
  margin-top:12px;font-size:clamp(13px,1.05vw,14.5px);line-height:1.8;
  color:rgba(255,255,255,.8);max-width:440px;
  text-shadow:0 1px 12px rgba(0,0,0,.55);
}
.svc-more{
  margin-top:16px;display:flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:600;color:rgba(255,255,255,.85);
  letter-spacing:.04em;
}
.svc-more svg{width:13px;height:13px;transition:transform .3s var(--ease)}
.svc:hover .svc-more{color:#fff}
.svc:hover .svc-more svg{transform:translateX(4px)}

/* ==========================================================================
   宣传片 · 通栏影院（全幅播放画面 + 文字浮在画面上）
   ========================================================================== */
.film{
  position:relative;background:var(--navy);overflow:hidden;padding:0;
}
.film::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(ellipse 60% 70% at 82% 30%,rgba(0,91,161,.34),transparent 62%),
    radial-gradient(ellipse 50% 60% at 8% 88%,rgba(230,0,18,.1),transparent 66%);
}
.film-stage{
  position:relative;
  width:100%;
  height:clamp(480px,56.25vw,92vh);
  background:var(--navy);
}
.film-stage.has-video{cursor:pointer}
.film-stage.is-playing{cursor:default}
.film-media{position:absolute;inset:0;overflow:hidden}
.film-video{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:contain;object-position:center;
  background:var(--navy);display:block;
}
.film-scrim{
  position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(90deg,rgba(4,16,31,.95) 0%,rgba(4,16,31,.88) 26%,rgba(4,16,31,.5) 46%,rgba(4,16,31,.06) 68%,rgba(4,16,31,0) 100%),
    linear-gradient(180deg,rgba(4,16,31,.6) 0%,rgba(4,16,31,0) 26%,rgba(4,16,31,0) 66%,rgba(4,16,31,.7) 100%);
  transition:opacity .6s var(--ease);
}

/* 文字层 */
.film-inner{
  position:absolute;inset:0;z-index:2;
  display:flex;align-items:center;
}
.film-copy{max-width:min(600px,50vw)}
.film-title{
  margin-top:20px;
  font-size:clamp(40px,5vw,74px);
  line-height:1.05;letter-spacing:-.02em;font-weight:800;color:#fff;
}
.film-title .accent{color:var(--blue-bright)}
.film-desc{
  margin-top:24px;max-width:560px;
  font-size:clamp(15px,1.15vw,17px);
  line-height:1.9;color:rgba(255,255,255,.74);
}
.film-note{
  display:inline-block;margin-top:22px;
  font-size:12px;letter-spacing:.1em;color:rgba(255,255,255,.42);
}
.film-inner,.film-scrim,.film-play{transition:opacity .5s var(--ease)}
.film-stage.is-playing .film-inner,
.film-stage.is-playing .film-scrim,
.film-stage.is-playing .film-play{opacity:0;pointer-events:none}

/* 播放键 */
.film-play{
  position:absolute;z-index:3;
  right:clamp(28px,8vw,140px);top:50%;
  transform:translateY(-50%);
  width:clamp(86px,8.6vw,120px);height:clamp(86px,8.6vw,120px);
  border-radius:50%;
  background:var(--red);
  display:grid;place-items:center;
  box-shadow:0 26px 60px -20px rgba(230,0,18,.9),0 0 0 1px rgba(255,255,255,.16);
  transition:transform .35s var(--ease),background .35s var(--ease),box-shadow .35s var(--ease);
}
.film-play::before{
  content:"";position:absolute;inset:-16px;border-radius:50%;
  border:1px solid rgba(255,255,255,.3);
  animation:filmPulse 3.4s ease-out infinite;
}
.film-play:hover{transform:translateY(-50%) scale(1.06);background:var(--red-deep)}
.film-play i{display:grid;place-items:center}
.film-play svg{
  width:clamp(22px,2.3vw,30px);height:clamp(22px,2.3vw,30px);
  fill:#fff;margin-left:5px;
}
.film-play b{
  position:absolute;top:calc(100% + 18px);left:50%;transform:translateX(-50%);
  padding:6px 13px;border-radius:2px;
  background:rgba(4,16,31,.58);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.16);
  font-size:11.5px;font-weight:500;letter-spacing:.14em;
  color:rgba(255,255,255,.9);white-space:nowrap;
}
@keyframes filmPulse{
  0%{transform:scale(1);opacity:.85}
  70%{transform:scale(1.16);opacity:0}
  100%{transform:scale(1.16);opacity:0}
}

/* ==========================================================================
   为什么选择
   ========================================================================== */
.why{background:var(--white)}
.why-grid{
  display:grid;grid-template-columns:1fr 1fr;
  gap:clamp(36px,4.6vw,64px);align-items:stretch;
}
/* 媒体列与文字列等高，图片铺满整列，去掉上下空档 */
.why-media{position:relative;min-height:420px}
.why-media img{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;object-position:center 52%;
  border-radius:3px;
}
.why-media::before{
  content:"";position:absolute;left:-16px;top:-16px;
  width:96px;height:96px;
  border-left:3px solid var(--red);border-top:3px solid var(--red);
  z-index:1;
}
.why-badge{
  position:absolute;right:-18px;bottom:26px;
  background:var(--blue);color:#fff;
  padding:22px 26px;border-radius:3px;
  box-shadow:0 24px 48px -16px rgba(0,91,161,.6);
}
.why-badge strong{
  display:block;font-size:34px;font-weight:700;line-height:1;
  font-variant-numeric:tabular-nums;
}
.why-badge span{
  display:block;margin-top:8px;font-size:11.5px;
  letter-spacing:.1em;color:rgba(255,255,255,.72);
}

.why-list{margin-top:32px;display:flex;flex-direction:column}
.why-item{
  display:flex;gap:20px;
  padding:20px 0;border-top:1px solid var(--line);
}
.why-item:last-child{border-bottom:1px solid var(--line)}
.why-no{
  flex:none;width:42px;
  font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--red);
  padding-top:3px;font-variant-numeric:tabular-nums;
}
.why-body h4{
  font-size:16.5px;font-weight:700;color:var(--ink);
  letter-spacing:.01em;line-height:1.4;
}
.why-body p{
  margin-top:8px;font-size:14px;line-height:1.8;color:var(--muted);
}

/* ==========================================================================
   案例
   ========================================================================== */
.cases{background:var(--white)}
.case-list{border-top:1px solid var(--line)}
.case-row{
  display:grid;
  grid-template-columns:64px 1.5fr 1fr 150px 44px;
  align-items:center;gap:24px;
  padding:clamp(22px,2.6vw,32px) 8px;
  border-bottom:1px solid var(--line);
  transition:all .35s var(--ease);
  position:relative;
}
.case-row::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:0;
  background:var(--blue);transition:width .35s var(--ease);
}
.case-row:hover{background:#FAFCFE;padding-left:20px}
.case-row:hover::before{width:3px}
.case-no{
  font-size:12px;font-weight:600;letter-spacing:.12em;
  color:var(--muted-2);font-variant-numeric:tabular-nums;
}
.case-title{
  font-size:clamp(15px,1.35vw,17.5px);font-weight:600;color:var(--ink);
  line-height:1.5;
}
.case-row:hover .case-title{color:var(--blue)}
.case-desc{font-size:13.5px;color:var(--muted);line-height:1.6}
.case-tag{
  justify-self:start;
  display:inline-block;padding:5px 12px;
  border:1px solid rgba(0,91,161,.2);
  font-size:11.5px;color:var(--blue);border-radius:2px;
  white-space:nowrap;
}
.case-go{
  width:36px;height:36px;justify-self:end;
  display:grid;place-items:center;
  border:1px solid var(--line);border-radius:50%;
  color:var(--muted-2);
  transition:all .3s var(--ease);
}
.case-go svg{width:14px;height:14px}
.case-row:hover .case-go{
  background:var(--red);border-color:var(--red);color:#fff;
  transform:rotate(-45deg);
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq{background:var(--paper)}
.faq-grid{
  display:grid;grid-template-columns:.82fr 1.18fr;
  gap:clamp(40px,6vw,88px);align-items:start;
}
.faq-aside .h-sec{margin-top:18px}
.faq-aside .sub-sec{margin-top:18px}
.faq-help{
  margin-top:36px;padding:26px;
  background:var(--white);border:1px solid var(--line);border-radius:3px;
}
.faq-help p{font-size:13px;color:var(--muted);line-height:1.7}
.faq-help strong{
  display:block;margin-top:12px;
  font-size:22px;font-weight:700;color:var(--blue);
  letter-spacing:.01em;font-variant-numeric:tabular-nums;
}
.faq-help a{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:14px;font-size:13px;font-weight:600;color:var(--red);
}
.faq-help a svg{width:13px;height:13px}

.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;
  gap:24px;padding:24px 0;text-align:left;
}
.faq-q h3{
  font-size:clamp(15px,1.3vw,16.5px);font-weight:600;color:var(--ink);
  line-height:1.6;letter-spacing:.01em;
  transition:color .25s var(--ease);
}
.faq-q:hover h3{color:var(--blue)}
.faq-q i{
  flex:none;width:26px;height:26px;margin-top:2px;
  display:grid;place-items:center;
  border:1px solid var(--line);border-radius:50%;
  transition:all .3s var(--ease);
}
.faq-q i::before,.faq-q i::after{
  content:"";position:absolute;background:var(--muted);
  transition:all .3s var(--ease);
}
.faq-q i{position:relative}
.faq-q i::before{width:11px;height:1.5px}
.faq-q i::after{width:1.5px;height:11px}
.faq-item.open .faq-q i{background:var(--blue);border-color:var(--blue);transform:rotate(90deg)}
.faq-item.open .faq-q i::before,.faq-item.open .faq-q i::after{background:#fff}
.faq-item.open .faq-q i::after{opacity:0}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .4s var(--ease);
}
.faq-item.open .faq-a{max-height:320px}
.faq-a p{
  padding:0 60px 26px 0;
  font-size:14px;line-height:1.9;color:var(--muted);
}

/* ==========================================================================
   CTA / 询价
   ========================================================================== */
.cta{
  position:relative;overflow:hidden;
  background:var(--blue);
  padding:clamp(40px,4vw,58px) 0;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(ellipse 70% 90% at 88% 10%,rgba(255,255,255,.13),transparent 60%),
    linear-gradient(120deg,rgba(0,40,74,.5),transparent 62%);
  pointer-events:none;
}
.cta::after{
  content:"";position:absolute;right:-80px;bottom:-120px;
  width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.1);
  pointer-events:none;
}
.cta .container{position:relative;z-index:2}
.cta-grid{
  display:grid;grid-template-columns:.9fr 1.1fr;
  gap:clamp(40px,5vw,76px);align-items:center;
}
.cta-txt .eyebrow{color:rgba(255,255,255,.7)}
.cta-txt .eyebrow::before{background:#fff}
.cta-txt .h-sec{color:#fff;margin-top:18px}
.cta-txt p{
  margin-top:20px;max-width:440px;
  font-size:15px;line-height:1.85;color:rgba(255,255,255,.72);
}
.cta-contacts{
  margin-top:36px;
  display:grid;grid-template-columns:1fr 1fr;gap:24px 36px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.18);
}
.cta-contacts div{display:flex;flex-direction:column;gap:4px}
.cta-contacts span{font-size:11px;letter-spacing:.14em;color:rgba(255,255,255,.5);text-transform:uppercase}
.cta-contacts strong{font-size:17px;font-weight:600;color:#fff;font-variant-numeric:tabular-nums}

.form-card{
  background:var(--white);
  padding:clamp(28px,3.2vw,40px);
  border-radius:3px;
  box-shadow:0 40px 90px -30px rgba(0,26,48,.55);
}
.form-card h3{
  font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.02em;
}
.form-card > p{margin-top:8px;font-size:13px;color:var(--muted)}
.form-grid{
  margin-top:24px;
  display:grid;grid-template-columns:1fr 1fr;gap:14px;
}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:11.5px;letter-spacing:.08em;color:var(--muted);font-weight:500}
.field label b{color:var(--red);font-weight:400}
.field input,.field select,.field textarea{
  width:100%;height:44px;
  padding:0 13px;
  font:inherit;font-size:14px;color:var(--ink);
  background:#FAFBFC;
  border:1px solid var(--line);
  border-radius:2px;
  outline:none;
  transition:all .25s var(--ease);
}
.field textarea{height:82px;padding:11px 13px;resize:none;line-height:1.6}
.field input::placeholder,.field textarea::placeholder{color:#A9B5C2}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--blue);background:#fff;
  box-shadow:0 0 0 3px rgba(0,91,161,.09);
}
.form-card .btn{width:100%;margin-top:18px;height:50px}
.form-note{
  margin-top:12px;font-size:11.5px;color:var(--muted-2);line-height:1.6;text-align:center;
}
.form-note a{color:var(--blue);text-decoration:underline}

/* ==========================================================================
   页脚
   ========================================================================== */
.footer{background:var(--navy);color:rgba(255,255,255,.6)}
.footer-main{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr 1.15fr;
  gap:clamp(28px,3.6vw,56px);
  padding:clamp(48px,5vw,68px) 0 clamp(34px,4vw,46px);
}
.f-brand .brand{margin-bottom:20px}
.f-brand p{
  font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.5);
  max-width:300px;
}
.f-social{display:flex;gap:10px;margin-top:24px}
.f-social a{
  width:34px;height:34px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.16);border-radius:2px;
  color:rgba(255,255,255,.55);
  transition:all .28s var(--ease);
}
.f-social a svg{width:15px;height:15px}
.f-social a:hover{background:var(--blue);border-color:var(--blue);color:#fff}

.f-col h4{
  font-size:12px;font-weight:600;letter-spacing:.16em;
  color:#fff;text-transform:uppercase;margin-bottom:20px;
}
.f-col li{margin-bottom:11px}
.f-col a{
  font-size:13.5px;color:rgba(255,255,255,.52);
  transition:all .24s var(--ease);
}
.f-col a:hover{color:#fff;padding-left:4px}

.f-contact li{
  display:flex;gap:10px;margin-bottom:14px;
  font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.52);
}
.f-contact svg{width:14px;height:14px;flex:none;margin-top:5px;color:var(--blue-bright)}
.f-contact a:hover{color:#fff}

.footer-bot{
  border-top:1px solid rgba(255,255,255,.09);
  padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.36);
}
.footer-bot .links{display:flex;gap:20px;flex-wrap:wrap}
.footer-bot a:hover{color:#fff}

/* ==========================================================================
   港口 Ticker
   ========================================================================== */
.ticker{
  position:relative;background:var(--navy);
  border-top:1px solid rgba(255,255,255,.07);
  border-bottom:1px solid rgba(255,255,255,.07);
  overflow:hidden;
}
.ticker::before,.ticker::after{
  content:"";position:absolute;top:0;bottom:0;width:120px;z-index:2;pointer-events:none;
}
.ticker::before{left:0;background:linear-gradient(90deg,var(--navy),transparent)}
.ticker::after{right:0;background:linear-gradient(270deg,var(--navy),transparent)}
.ticker-track{
  display:flex;align-items:center;width:max-content;
  animation:tick 56s linear infinite;
  will-change:transform;
}
.ticker:hover .ticker-track{animation-play-state:paused}
.ticker-track span{
  display:inline-flex;align-items:center;gap:10px;
  height:56px;padding:0 26px;
  font-size:12px;letter-spacing:.14em;color:rgba(255,255,255,.42);
  white-space:nowrap;
}
.ticker-track span b{
  font-weight:600;font-size:13px;letter-spacing:.06em;color:rgba(255,255,255,.8);
}
.ticker-track span::after{
  content:"";width:4px;height:4px;border-radius:50%;
  background:var(--red);opacity:.85;margin-left:16px;
}
@keyframes tick{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ==========================================================================
   服务流程
   ========================================================================== */
.process{background:var(--paper)}
.proc-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:clamp(16px,2.2vw,34px);
  position:relative;
}
.proc-grid::before{
  content:"";position:absolute;left:34px;right:0;top:33px;height:1px;
  background:linear-gradient(90deg,var(--line) 0%,var(--line) 88%,transparent 100%);
}
.proc{position:relative;z-index:1}
.proc-dot{
  width:66px;height:66px;border-radius:50%;
  background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;
  font-size:19px;font-weight:700;color:var(--blue);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
  margin-bottom:26px;
  transition:all .35s var(--ease);
}
.proc:hover .proc-dot{
  background:var(--blue);border-color:var(--blue);color:#fff;
  transform:translateY(-5px);
  box-shadow:0 14px 28px -8px rgba(0,91,161,.45);
}
.proc h4{
  font-size:16.5px;font-weight:700;color:var(--ink);letter-spacing:.01em;
}
.proc p{
  margin-top:10px;font-size:13.5px;line-height:1.8;color:var(--muted);
  padding-right:12px;
}
.proc-tag{
  display:inline-block;margin-top:14px;
  font-size:11px;letter-spacing:.12em;color:var(--muted-2);
  text-transform:uppercase;
}

/* ==========================================================================
   资质证书
   ========================================================================== */
.certs{position:relative;background:var(--paper);overflow:hidden}
.certs::before{
  content:"";position:absolute;left:50%;top:-120px;
  width:760px;height:760px;transform:translateX(-50%);
  background:radial-gradient(circle,rgba(0,91,161,.07),transparent 62%);
  pointer-events:none;
}
.certs .container{position:relative;z-index:2}
.certs .sec-head{justify-content:center;text-align:center;flex-direction:column;align-items:center;gap:0}
.certs .sec-head .eyebrow{justify-content:center}
.certs .sub-sec{max-width:640px;text-wrap:balance}
.cert-wall{
  display:grid;grid-template-columns:1.55fr 1fr 1fr;
  gap:clamp(16px,2vw,24px);align-items:stretch;
}
.cert-card{
  display:flex;flex-direction:column;
  background:#fff;padding:14px;
  border:1px solid var(--line);
  box-shadow:0 26px 52px -28px rgba(4,16,31,.3);
  transition:all .45s var(--ease);
}
.cert-card:hover{
  transform:translateY(-6px);
  box-shadow:0 40px 72px -28px rgba(4,16,31,.42);
  border-color:rgba(0,91,161,.28);
}
.cert-plate{
  display:flex;align-items:center;justify-content:center;
  height:clamp(210px,22vw,296px);
  padding:12px;
  background:#FAFBFD;border:1px solid #EDF1F6;
  overflow:hidden;
}
.cert-plate img{
  width:100%;height:100%;
  object-fit:contain;
  filter:drop-shadow(0 10px 18px rgba(4,16,31,.14));
}
.cert-cap{
  margin-top:14px;padding:0 2px;
  display:flex;flex-direction:column;gap:4px;flex:1;
}
.cert-cap strong{
  font-size:14px;font-weight:700;color:var(--ink);letter-spacing:.01em;
}
.cert-cap span{
  font-size:11.5px;color:var(--muted-2);letter-spacing:.03em;
  font-variant-numeric:tabular-nums;
}
.cert-note{
  margin-top:clamp(32px,4vw,48px);
  display:flex;justify-content:center;flex-wrap:wrap;gap:12px 14px;
}
.cert-note span{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 18px;
  background:#fff;border:1px solid var(--line);
  font-size:12.5px;color:var(--muted);
}
.cert-note span::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--blue);
}


/* ==========================================================================
   新能源车队（2026 新增 10 台）
   ========================================================================== */
.nev{
  position:relative;background:var(--navy);overflow:hidden;
  padding:clamp(34px,3.2vw,46px) 0;
}
.nev::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(ellipse 58% 66% at 84% 22%,rgba(0,120,180,.34),transparent 64%),
    radial-gradient(ellipse 46% 54% at 4% 92%,rgba(0,180,120,.14),transparent 66%);
}
.nev .container{position:relative;z-index:2}
.nev-grid{
  display:grid;grid-template-columns:1.15fr 1fr;
  gap:clamp(32px,4.4vw,72px);align-items:center;
}
.nev-media{position:relative}
.nev-media img{
  display:block;width:100%;aspect-ratio:16/10;
  object-fit:cover;object-position:center 52%;
  border:1px solid rgba(255,255,255,.16);
}
.nev-media::after{
  content:"";position:absolute;right:-14px;bottom:-14px;
  width:58%;height:58%;border-right:2px solid rgba(230,0,18,.75);
  border-bottom:2px solid rgba(230,0,18,.75);pointer-events:none;
}
.nev-flag{
  position:absolute;left:0;top:0;z-index:3;
  display:inline-flex;align-items:center;gap:9px;
  height:38px;padding:0 16px;
  background:#0B7A4B;color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;
}
.nev-flag svg{width:15px;height:15px}

.nev-kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:11.5px;font-weight:700;letter-spacing:.2em;
  text-transform:uppercase;color:rgba(255,255,255,.62);
}
.nev-kicker::before{content:"";width:26px;height:2px;background:#38C08A}
.nev h2{
  margin-top:20px;
  font-size:clamp(28px,3.3vw,46px);font-weight:800;
  line-height:1.24;color:#fff;letter-spacing:-.005em;
}
.nev h2 em{
  font-style:normal;color:#5FD3A2;
}
.nev-lead{
  margin-top:22px;
  font-size:clamp(14.5px,1.15vw,16.5px);line-height:1.95;
  color:rgba(255,255,255,.66);max-width:560px;
}
.nev-facts{
  display:grid;grid-template-columns:repeat(3,1fr);
  margin-top:clamp(30px,3.6vw,46px);
  border-top:1px solid rgba(255,255,255,.16);
  padding-top:clamp(22px,2.6vw,32px);
}
.nev-fact{padding-right:18px;border-right:1px solid rgba(255,255,255,.14)}
.nev-fact:last-child{border-right:0;padding-right:0}
.nev-fact strong{
  display:block;font-size:clamp(30px,3.2vw,46px);font-weight:800;
  color:#fff;line-height:1;font-variant-numeric:tabular-nums;
}
.nev-fact strong em{
  font-style:normal;font-size:.42em;font-weight:600;
  color:#5FD3A2;margin-left:3px;
}
.nev-fact span{
  display:block;margin-top:10px;
  font-size:12.5px;color:rgba(255,255,255,.5);letter-spacing:.04em;
}
.nev-actions{margin-top:clamp(28px,3.4vw,40px);display:flex;gap:14px;flex-wrap:wrap}
.nev-actions .btn-ghost:hover{color:var(--navy)}


/* 承诺区标题 */
.promise-head{margin-bottom:clamp(6px,1vw,14px)}
.cert-cap em{
  font-style:normal;margin-top:auto;padding-top:12px;width:max-content;
  font-size:11.5px;color:var(--blue);letter-spacing:.04em;
  border-bottom:1px solid rgba(0,91,161,.3);
}
/* ==========================================================================
   服务承诺（原站四条）
   ========================================================================== */
.promise{background:var(--paper);padding:clamp(34px,3.2vw,46px) 0}
.promise-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
}
.promise-item{
  padding:clamp(26px,3vw,38px) clamp(18px,2vw,34px) 0;
  border-right:1px solid var(--line);
}
.promise-item:last-child{border-right:0;padding-right:0}
.promise-item:first-child{padding-left:0}
.promise-item h4{
  display:flex;align-items:center;gap:10px;
  font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.02em;
}
.promise-item h4 svg{width:19px;height:19px;color:var(--blue);flex:none}
.promise-item p{
  margin-top:12px;font-size:13.5px;line-height:1.85;color:var(--muted);
}
.promise-item b{
  display:block;margin-top:14px;
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted-2);font-weight:600;
}


/* ==========================================================================
   合作伙伴
   ========================================================================== */
.partners{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.partners .container{
  display:flex;flex-direction:column;align-items:center;gap:clamp(20px,2.4vw,30px);
  padding-top:clamp(30px,3.4vw,46px);padding-bottom:clamp(30px,3.4vw,46px);
}
.partners-label{
  display:flex;align-items:center;gap:14px;
  font-size:11px;letter-spacing:.18em;color:var(--muted-2);
  text-transform:uppercase;
}
.partners-label::before,.partners-label::after{
  content:"";width:34px;height:1px;background:var(--line);
}
.partners-row{
  display:flex;justify-content:center;align-items:flex-start;
  gap:clamp(22px,4vw,64px);flex-wrap:wrap;width:100%;
}
.partner{
  width:clamp(96px,9.4vw,124px);
  display:flex;flex-direction:column;align-items:center;gap:10px;
  filter:grayscale(1);opacity:.62;
  transition:filter .3s var(--ease),opacity .3s var(--ease);
}
.partner:hover{filter:none;opacity:1}
.partner img{
  max-width:100%;height:auto;max-height:clamp(24px,2.4vw,34px);
  object-fit:contain;
}
.partner i{
  font-style:normal;font-size:11.5px;letter-spacing:.06em;
  color:var(--muted-2);white-space:nowrap;
}

/* 首屏标题两行层级 */
.hero-title .t1{
  display:block;
  font-size:.54em;font-weight:600;letter-spacing:.03em;
  color:rgba(255,255,255,.86);margin-bottom:.06em;
}
.hero-title .t2{display:block}


/* ==========================================================================
   企业文化与团队
   ========================================================================== */
.culture{background:#fff}
.culture-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:0;border-top:1px solid var(--line);margin-top:clamp(28px,3.4vw,44px);
}
.culture-item{
  padding:clamp(30px,3.4vw,46px) clamp(22px,2.6vw,40px) 0;
  border-right:1px solid var(--line);
}
.culture-item:last-child{border-right:0;padding-right:0}
.culture-item:first-child{padding-left:0}
.culture-no{
  font-size:11.5px;letter-spacing:.2em;color:var(--red);font-weight:700;
}
.culture-item h3{
  margin-top:14px;font-size:clamp(19px,1.7vw,25px);font-weight:700;
  color:var(--ink);line-height:1.35;letter-spacing:.01em;
}
.culture-item p{
  margin-top:14px;font-size:14px;line-height:1.95;color:var(--muted);
}
.culture-team{
  margin-top:clamp(32px,4vw,52px);
  display:flex;align-items:center;gap:clamp(24px,3vw,48px);flex-wrap:wrap;
  padding-top:clamp(26px,3vw,36px);border-top:1px solid var(--line);
}
.culture-team .lbl{
  flex:none;font-size:11.5px;letter-spacing:.16em;color:var(--muted-2);
  text-transform:uppercase;padding-right:clamp(24px,3vw,48px);
  border-right:1px solid var(--line);line-height:1.5;
}
.culture-team p{
  flex:1;min-width:280px;font-size:14px;line-height:1.9;color:var(--muted);
}
.culture-team .tags{display:flex;gap:10px;flex-wrap:wrap;flex:none}
.culture-team .tags span{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border:1px solid var(--line);font-size:12.5px;color:var(--muted);background:var(--paper);
}

/* ==========================================================================
   资质四证说明
   ========================================================================== */
.qual-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:clamp(10px,1.2vw,16px);margin-top:clamp(38px,4.4vw,56px);
  text-align:left;
}
.qual{
  background:#fff;border:1px solid var(--line);
  padding:clamp(22px,2.4vw,30px);
  transition:all .35s var(--ease);
}
.qual:hover{transform:translateY(-5px);border-color:rgba(0,91,161,.3);box-shadow:0 22px 44px -26px rgba(4,16,31,.4)}
.qual svg{width:24px;height:24px;color:var(--blue);margin-bottom:16px}
.qual h4{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.qual p{margin-top:9px;font-size:12.5px;line-height:1.8;color:var(--muted)}

/* ==========================================================================
   展望未来
   ========================================================================== */
.vision{position:relative;background:var(--paper);overflow:hidden}
.vision::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--blue) 0%,var(--blue) 22%,var(--red) 22%,var(--red) 30%,transparent 30%);
}
.vision-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:clamp(20px,2.6vw,40px);margin-top:clamp(32px,4vw,52px);
}
.vision-item{
  position:relative;padding-left:clamp(20px,2.2vw,30px);
  border-left:2px solid rgba(0,91,161,.25);
}
.vision-item:hover{border-left-color:var(--red)}
.vision-item strong{
  display:block;font-size:clamp(15px,1.3vw,17px);font-weight:700;color:var(--ink);
  letter-spacing:.02em;
}
.vision-item p{
  margin-top:10px;font-size:13.5px;line-height:1.9;color:var(--muted);
}
.vision-item em{
  display:block;margin-top:12px;font-style:normal;
  font-size:11px;letter-spacing:.16em;color:var(--muted-2);text-transform:uppercase;
}


/* 案例卡片 */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,28px)}
.case-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);
  padding:clamp(24px,2.6vw,34px);
  transition:all .4s var(--ease);
}
.case-card:hover{
  transform:translateY(-6px);border-color:rgba(0,91,161,.3);
  box-shadow:0 30px 56px -32px rgba(4,16,31,.42);
}
.case-card .ind{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:11.5px;letter-spacing:.14em;color:var(--muted-2);
  text-transform:uppercase;
}
.case-card .ind b{color:var(--blue);font-weight:700;letter-spacing:.1em}
.case-card h3{
  margin-top:18px;font-size:clamp(18px,1.55vw,22px);font-weight:700;
  color:var(--ink);line-height:1.4;letter-spacing:.01em;
}
.case-card p{
  margin-top:14px;flex:1;
  font-size:13.5px;line-height:2;color:var(--muted);
}
.case-card .tagrow{
  margin-top:20px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;gap:8px;flex-wrap:wrap;
}
.case-card .tagrow span{
  font-size:11.5px;padding:5px 10px;background:var(--paper);color:var(--muted);
}

/* ==========================================================================
   MOTION · 动效系统
   原则：只驱动 opacity / translate / scale / clip-path，不触发布局重排
   无 JS 时（html.no-js）全部降级为静态可见
   ========================================================================== */

/* ---- 1. 滚动揭示 ---- */
.js [data-reveal]{
  opacity:0;
  translate:0 34px;
  transition:opacity .9s var(--ease-out), translate .9s var(--ease-out);
  transition-delay:var(--d,0ms);
}
.js [data-reveal="left"]{translate:-40px 0}
.js [data-reveal="right"]{translate:40px 0}
.js [data-reveal="sm"]{translate:0 16px}
.js [data-reveal].is-in{opacity:1;translate:0 0}

/* ---- 2. 图片擦除揭示 ---- */
.js [data-wipe]{clip-path:inset(0 100% 0 0)}
.js [data-wipe].is-in{
  clip-path:inset(0 0 0 0);
  transition:clip-path 1.3s var(--ease-out);
}

/* ---- 3. 图片缓慢呼吸（Ken Burns），给静态图加"活着"的感觉 ---- */
@keyframes heroDrift{
  0%{transform:scale(1) translate3d(0,0,0)}
  100%{transform:scale(1.055) translate3d(-1.2%,-.8%,0)}
}
.hero-media{animation:heroDrift 28s ease-in-out infinite alternate}


/* ---- 4. 首屏入场序列 ---- */
.js .hero-badge,
.js .hero-desc,
.js .hero-actions,
.js .hero-side,
.js .stats-bar .stat,
.js .hero-title > span{
  opacity:0;
  transition:opacity 1s var(--ease-out), translate 1s var(--ease-out), filter 1s var(--ease-out);
}
.js .hero-title > span{translate:0 .44em;filter:blur(12px)}
.js .hero-badge,
.js .hero-desc,
.js .hero-actions,
.js .hero-side,
.js .stats-bar .stat{translate:0 26px}

html.is-ready .hero-badge,
html.is-ready .hero-desc,
html.is-ready .hero-actions,
html.is-ready .hero-side,
html.is-ready .stats-bar .stat,
html.is-ready .hero-title > span{opacity:1;translate:0 0;filter:none}

html.is-ready .hero-badge{transition-delay:.04s}
html.is-ready .hero-title > span:nth-child(1){transition-delay:.12s}
html.is-ready .hero-title > span:nth-child(2){transition-delay:.26s}
html.is-ready .hero-desc{transition-delay:.46s}
html.is-ready .hero-actions{transition-delay:.58s}
html.is-ready .hero-side{transition-delay:1.2s}
html.is-ready .stats-bar .stat:nth-child(1){transition-delay:.70s}
html.is-ready .stats-bar .stat:nth-child(2){transition-delay:.78s}
html.is-ready .stats-bar .stat:nth-child(3){transition-delay:.86s}
html.is-ready .stats-bar .stat:nth-child(4){transition-delay:.94s}

/* 首屏向下滚动提示 */
@keyframes scrollHint{
  0%{transform:translateY(-100%)}
  55%,100%{transform:translateY(100%)}
}
.hero-side i{position:relative;overflow:hidden}
.hero-side i::after{
  content:"";position:absolute;left:0;top:0;width:1px;height:100%;
  background:linear-gradient(transparent,rgba(255,255,255,.95),transparent);
  animation:scrollHint 2.6s var(--ease) infinite;
}

/* ---- 5. 标题红线生长 ---- */
.js .eyebrow::before{width:0;transition:width .85s var(--ease-out) .1s}
.js .eyebrow.is-in::before{width:26px}

/* ---- 6. 服务流程连线绘制 ---- */
.js .proc-grid::before{
  transform:scaleX(0);transform-origin:left center;
  transition:transform 1.5s var(--ease-out) .18s;
}
.js .proc-grid.is-in::before{transform:scaleX(1)}

/* ---- 7. 图片卡聚光（跟随鼠标） ---- */
.svc::before{
  content:"";position:absolute;inset:0;z-index:2;pointer-events:none;
  background:radial-gradient(460px circle at var(--mx,50%) var(--my,50%),
             rgba(255,255,255,.15),transparent 62%);
  opacity:0;transition:opacity .45s var(--ease);
}
.svc:hover::before{opacity:1}

/* 白底卡片：用背景层做柔光，不遮挡文字 */
.case-card:hover,
.qual:hover{
  background-image:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),
                   rgba(0,91,161,.06),transparent 64%);
}

/* ---- 8. 证书卡 3D 微倾 ---- */
.cert-card:hover{
  transform:perspective(1000px)
            rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg))
            translateY(-8px);
}

/* ---- 9. FAQ 内容淡入 ---- */
.faq-a{opacity:0;transition:max-height .45s var(--ease-out), opacity .4s var(--ease)}
.faq-item.open .faq-a{opacity:1;max-height:400px}

/* ---- 10. 顶部滚动进度条 ---- */
.scroll-line{
  position:fixed;left:0;top:0;height:2px;width:100%;
  background:linear-gradient(90deg,var(--red),#FF4D5E);
  transform:scaleX(0);transform-origin:left center;
  z-index:200;pointer-events:none;
}

/* ---- 11. 返回顶部 ---- */
.to-top{
  position:fixed;right:clamp(16px,2.4vw,32px);bottom:clamp(16px,2.4vw,32px);
  z-index:190;width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(4,16,31,.92);color:#fff;
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(10px);
  box-shadow:0 14px 32px -12px rgba(4,16,31,.7);
  opacity:0;visibility:hidden;translate:0 16px;scale:.92;
  transition:opacity .4s var(--ease-out), translate .4s var(--ease-out),
             scale .4s var(--ease-out), background .3s var(--ease),
             visibility .4s;
}
.to-top svg{width:17px;height:17px}
.to-top.show{opacity:1;visibility:visible;translate:0 0;scale:1}
.to-top:hover{background:var(--red);border-color:var(--red)}

/* ---- 12. 表单提交成功微动 ---- */
@keyframes formPop{
  0%{transform:scale(.96);opacity:0}
  100%{transform:scale(1);opacity:1}
}
.form-card.is-sent .btn{animation:formPop .4s var(--ease-out)}

/* ---- 13. 无障碍：尊重系统减弱动效设置 ---- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .js [data-reveal],
  .js [data-wipe],
  .js .hero-badge,
  .js .hero-desc,
  .js .hero-actions,
  .js .hero-side,
  .js .stats-bar .stat,
  .js .hero-title > span{
    opacity:1 !important;translate:none !important;
    filter:none !important;clip-path:none !important;
    transition:none !important;
  }
  .js .eyebrow::before{width:26px}
  .js .proc-grid::before{transform:scaleX(1)}
  .ticker-track,.film-play::before,.hero-badge b,.hero-side i::after,
  .hero-media{animation:none !important}
}

/* ---- 14. 触屏设备关闭 3D 倾斜 ---- */
@media (hover:none){
  .cert-card:hover{transform:translateY(-4px)}
}

/* ==========================================================================
   内页系统
   —— 与首页共用色彩与字重，保持同一套视觉语言
   ========================================================================== */

/* ---- 跳转链接（无障碍） ---- */
.skip{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--red);color:#fff;padding:12px 20px;font-size:14px;font-weight:600;
}
.skip:focus{left:16px;top:16px}

/* ---- 微信分享缩略图（移出视口，仅供微信抓取，不参与布局） ---- */
.wx-thumb{
  position:absolute;left:-9999px;top:0;
  width:640px;height:336px;
  pointer-events:none;
}

/* ---- 1. 内页头部 ---- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--navy);color:#fff;
  padding:clamp(96px,8.4vw,112px) 0 clamp(32px,3.2vw,46px);
  isolation:isolate;
}
.page-hero-media{position:absolute;inset:0;z-index:-2}
.page-hero-media img{width:100%;height:100%;object-fit:cover;opacity:.34;filter:saturate(.72) contrast(1.05)}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(180deg,rgba(2,6,23,.78) 0%,rgba(2,6,23,.62) 45%,rgba(2,6,23,.9) 100%),
    linear-gradient(90deg,rgba(0,91,161,.28),transparent 62%);
}
.page-hero .container{position:relative}

.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.04em;color:rgba(255,255,255,.5);margin-bottom:18px}
.crumb a{color:rgba(255,255,255,.66);transition:color .25s var(--ease)}
.crumb a:hover{color:#fff}
.crumb i{font-style:normal;color:rgba(255,255,255,.28)}
.crumb span{color:rgba(255,255,255,.86)}

.page-title{
  font-size:clamp(38px,5.2vw,78px);
  font-weight:700;line-height:1.12;letter-spacing:-.02em;
  max-width:16em;
}
.page-title em{font-style:normal;color:#66BBEF}
.page-title .accent{color:#66BBEF}
html[lang="en"] .page-title{font-size:clamp(34px,4.5vw,66px);letter-spacing:-.03em;line-height:1.1}

.page-lead{
  margin-top:20px;max-width:760px;
  font-size:clamp(15px,1.25vw,17.5px);line-height:1.85;
  color:rgba(255,255,255,.72);
}

/* ---- 2. 浅色交替底 ---- */
.alt-bg{background:var(--paper)}

/* ---- 3. 服务索引条 ---- */
.svc-nav{border-bottom:1px solid var(--line);background:#fff}
.svc-nav ul{display:flex;gap:0;overflow-x:auto;scrollbar-width:none}
.svc-nav ul::-webkit-scrollbar{display:none}
.svc-nav li{flex:none}
.svc-nav a{
  display:flex;align-items:center;gap:10px;
  padding:21px 20px;font-size:14px;font-weight:500;color:var(--muted);
  border-bottom:2px solid transparent;white-space:nowrap;
  transition:color .25s var(--ease),border-color .25s var(--ease);
}
.svc-nav a:hover{color:var(--blue);border-bottom-color:var(--red)}
.svc-nav b{font-size:11.5px;letter-spacing:.08em;color:var(--red);font-weight:700}

/* ---- 4. 服务条目（图文交替） ---- */
.svc-detail{padding-top:clamp(8px,1.1vw,18px)}
.svc-block{
  display:grid;grid-template-columns:1.02fr 1fr;
  gap:clamp(32px,5.2vw,80px);align-items:center;
  padding:clamp(30px,3.4vw,50px) 0;
  border-bottom:1px solid var(--line);
  scroll-margin-top:110px;
}
.svc-block:last-child{border-bottom:0;padding-bottom:0}
.svc-block.rev .svc-block-media{order:2}
.svc-block-media{position:relative;overflow:hidden;border-radius:3px;background:var(--paper)}
.svc-block-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:scale 1.1s var(--ease-out)}
.svc-block:hover .svc-block-media img{scale:1.03}
.svc-block-no{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.2em;
  color:var(--red);padding-bottom:6px;border-bottom:1px solid rgba(230,0,18,.3);
}
.svc-block-body h2{
  font-size:clamp(26px,3.1vw,42px);font-weight:700;line-height:1.22;
  letter-spacing:-.01em;margin:16px 0 18px;
}
.svc-block-lead{font-size:clamp(15.5px,1.25vw,17.5px);line-height:1.8;font-weight:600;color:var(--ink);margin-bottom:16px}
.svc-block-body > p{color:var(--muted);line-height:1.92;font-size:15.5px}

.tick-list{margin:20px 0 24px;display:grid;gap:11px}
.tick-list li{position:relative;padding-left:28px;font-size:14.5px;line-height:1.7;color:var(--ink)}
.tick-list li::before{
  content:"";position:absolute;left:0;top:8px;width:9px;height:9px;
  background:var(--blue);border-radius:1px;
  box-shadow:0 0 0 3px rgba(0,91,161,.1);
}

/* ---- 5. 卡片网格 ---- */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:clamp(16px,2vw,26px);margin-top:clamp(30px,4vw,52px)}
.card{
  background:#fff;padding:clamp(26px,3vw,38px);
  border:1px solid var(--line);border-radius:3px;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.card:hover{border-color:rgba(0,91,161,.28);box-shadow:0 18px 40px -28px rgba(4,16,31,.5)}
.card-ico{width:44px;height:44px;color:var(--blue);margin-bottom:20px}
.card-ico svg{width:100%;height:100%}
.card h3{font-size:17.5px;font-weight:700;line-height:1.4;margin-bottom:10px}
.card p{font-size:14.5px;line-height:1.85;color:var(--muted)}

/* ---- 6. 左图右文 ---- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,76px);align-items:center}
.split-media{position:relative}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:3px}
.split-media .why-badge{position:absolute;left:0;bottom:-22px;background:var(--blue);color:#fff;padding:18px 24px;display:flex;align-items:baseline;gap:12px}
.split-body h2{margin-bottom:18px}
.split-body p{color:var(--muted);line-height:1.92;font-size:15.5px;margin-bottom:14px}
.split-body .btn{margin-top:10px}

/* ---- 7. 数字行 ---- */
.num-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  margin-top:clamp(28px,3vw,44px);
  border-top:1px solid var(--line);
}
.num-cell{padding:30px 24px 0 0}
.num-cell strong{
  display:block;font-size:clamp(34px,4vw,58px);font-weight:700;
  line-height:1;letter-spacing:-.03em;color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.num-cell span{display:block;margin-top:12px;font-size:13px;color:var(--muted);letter-spacing:.02em}

/* ---- 8. 大图展示 ---- */
.showcase{position:relative;overflow:hidden;border-radius:3px;background:var(--navy)}
.showcase img{width:100%;aspect-ratio:21/9;object-fit:cover}
.showcase-cap{
  position:absolute;left:clamp(20px,3vw,36px);bottom:clamp(20px,3vw,32px);
  display:flex;align-items:center;gap:12px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:rgba(255,255,255,.78);
}
.showcase-cap b{
  background:var(--red);color:#fff;padding:5px 10px;border-radius:2px;
  font-size:11.5px;letter-spacing:.1em;font-weight:700;
}

/* ---- 9. 案例条目 ---- */
.case-block{
  display:grid;grid-template-columns:110px 1fr;gap:clamp(20px,3vw,44px);
  padding:clamp(34px,4.5vw,56px) 0;border-bottom:1px solid var(--line);
}
.case-block:first-child{padding-top:0}
.case-block:last-child{border-bottom:0}
.case-no{font-size:clamp(40px,5vw,72px);font-weight:700;line-height:.9;color:rgba(0,91,161,.12);letter-spacing:-.04em}
.case-head{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}
.case-industry{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--blue);background:rgba(0,91,161,.07);padding:5px 11px;border-radius:2px}
.case-cat{font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--muted);padding:5px 0}
.case-main h2{font-size:clamp(21px,2.3vw,29px);font-weight:700;line-height:1.35;margin-bottom:14px}
.case-main p{color:var(--muted);line-height:1.92;font-size:15px;max-width:76ch}

/* ---- 10. 联系卡片 ---- */
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,1.8vw,22px)}
.contact-card{
  border:1px solid var(--line);padding:clamp(24px,2.6vw,32px);
  display:flex;flex-direction:column;gap:8px;background:#fff;
  transition:border-color .3s var(--ease),translate .3s var(--ease);
}
.contact-card:hover{border-color:rgba(0,91,161,.3);translate:0 -3px}
.contact-ico{width:30px;height:30px;color:var(--blue);margin-bottom:10px}
.contact-ico svg{width:100%;height:100%}
.contact-card > span{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}
.contact-card a,.contact-card strong{font-size:16px;font-weight:700;line-height:1.5;color:var(--ink);word-break:break-word}
.contact-card a:hover{color:var(--blue)}
.contact-card em{font-style:normal;font-size:12.5px;color:var(--muted);margin-top:2px}

/* ---- 11. 法律文本 ---- */
.legal-wrap{max-width:820px}
.legal-meta{font-size:13px;color:var(--muted-2);padding-bottom:26px;border-bottom:1px solid var(--line)}
.legal-sec{margin-top:clamp(44px,5vw,68px)}
.legal-sec h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;margin-bottom:26px}
.legal-item{padding:20px 0;border-top:1px solid var(--line)}
.legal-item h3{font-size:15.5px;font-weight:700;margin-bottom:8px;color:var(--ink)}
.legal-item p{font-size:14.5px;line-height:1.92;color:var(--muted)}

/* ---- 12. 资讯 ---- */
.news-list{display:grid;gap:0}
.news-card{
  display:grid;grid-template-columns:150px 1fr;gap:clamp(18px,3vw,40px);
  padding:clamp(28px,3.6vw,44px) 0;border-bottom:1px solid var(--line);
  transition:padding-left .3s var(--ease);
}
.news-card:hover{padding-left:8px}
.news-date{font-size:13px;color:var(--muted-2);letter-spacing:.06em;font-variant-numeric:tabular-nums;padding-top:5px}
.news-tag{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.12em;color:var(--red);margin-bottom:10px}
.news-body h3{font-size:clamp(19px,2.1vw,25px);font-weight:700;line-height:1.4;margin-bottom:10px}
.news-card:hover h3{color:var(--blue)}
.news-body p{font-size:14.5px;line-height:1.85;color:var(--muted);max-width:70ch}
.news-more{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:13px;font-weight:600;color:var(--blue)}
.news-more svg{width:15px;height:15px}

.article{max-width:760px}
.article-meta{display:flex;gap:18px;font-size:13px;color:var(--muted-2);padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:32px;letter-spacing:.04em}
.article > p{font-size:16px;line-height:1.95;color:var(--ink);margin-bottom:20px}
.article-cover{margin:0 0 34px;overflow:hidden;border-radius:3px;background:var(--surface,#eef0f3)}
.article-cover img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.article h2{font-size:clamp(19px,2vw,23px);font-weight:700;line-height:1.5;margin:42px 0 14px;letter-spacing:-.01em}
.article h2:first-of-type{margin-top:8px}
.article h3{font-size:17px;font-weight:700;line-height:1.6;margin:28px 0 10px}
.article ul,.article ol{margin:0 0 22px;padding:0;list-style:none}
.article ul li,.article ol li{position:relative;font-size:16px;line-height:1.9;color:var(--ink);padding-left:20px;margin-bottom:8px}
.article ul li::before{content:"";position:absolute;left:2px;top:.78em;width:6px;height:6px;border-radius:50%;background:var(--blue)}
.article ol{counter-reset:li}
.article ol li{counter-increment:li;padding-left:28px}
.article ol li::before{content:counter(li) ".";position:absolute;left:0;font-weight:700;color:var(--blue)}
.article blockquote{margin:0 0 24px;padding:12px 0 12px 18px;border-left:2px solid var(--line);font-size:14px;line-height:1.85;color:var(--muted-2)}
.article strong{font-weight:700;color:var(--ink)}
.related{margin-top:56px;padding-top:30px;border-top:1px solid var(--line)}
.related h3{font-size:15px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);margin-bottom:16px}
.related li{margin-bottom:10px}
.related a{font-size:15px;color:var(--blue)}
.related a:hover{text-decoration:underline}

.empty{padding:clamp(50px,8vw,90px) 0;text-align:center;border:1px dashed var(--line);border-radius:3px}
.empty strong{display:block;font-size:19px;margin-bottom:8px}
.empty p{color:var(--muted);font-size:14.5px}

/* ---- 13. 表单增强 ---- */
.form-submit{display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.form-submit .btn{width:100%;justify-content:center}
.form-done{border:1px solid rgba(11,122,75,.3);background:rgba(11,122,75,.06);padding:26px;border-radius:3px}
.form-done strong{display:block;font-size:16px;color:#0B7A4B;margin-bottom:6px}
.form-done p{font-size:14px;color:var(--muted)}
.field-error{border-color:var(--red) !important;background:rgba(230,0,18,.03)}
.form-card .btn[disabled]{opacity:.6;cursor:wait}
.form-note a{color:var(--blue);text-decoration:underline}

/* ---- 14. 视频播放器（通栏影院，样式见 .film 区块） ---- */

/* ---- 15. 404 ---- */
.err-code{font-size:clamp(90px,14vw,160px);font-weight:700;line-height:.85;letter-spacing:-.05em;color:rgba(0,91,161,.14)}

/* ---- 16. 宽版优势列表 ---- */
.why-list.wide{display:grid;grid-template-columns:1fr 1fr;gap:0 clamp(32px,5vw,64px);margin-top:clamp(28px,4vw,48px)}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1180px){
  .film-stage{height:clamp(420px,56.25vw,760px)}
  .film-copy{max-width:min(520px,56vw)}
  .film-title{font-size:clamp(34px,5.1vw,56px)}
  .film-play{right:clamp(24px,5vw,56px)}
  .nev-grid{grid-template-columns:1fr;gap:40px}
  .nev-media{max-width:760px}
  .promise-grid{grid-template-columns:1fr 1fr}
  .qual-grid{grid-template-columns:1fr 1fr}
  .case-grid{grid-template-columns:1fr}
  .culture-grid{grid-template-columns:1fr}
  .culture-item{border-right:0;padding-right:0;border-bottom:1px solid var(--line);padding-bottom:26px}
  .culture-item:last-child{border-bottom:0}
  .vision-grid{grid-template-columns:1fr;gap:24px}
  .promise-item:nth-child(2n){border-right:0;padding-right:0}
  .promise-item:nth-child(1),.promise-item:nth-child(2){padding-bottom:clamp(24px,3vw,34px);border-bottom:1px solid var(--line)}
  .why-grid{grid-template-columns:1fr;gap:48px}
  .why-media{min-height:0;aspect-ratio:4/3}
  .why-badge{right:16px;bottom:-16px}
  .faq-grid{grid-template-columns:1fr;gap:40px}
  .footer-main{grid-template-columns:1.5fr 1fr 1fr;row-gap:40px}
  .f-brand{grid-column:1/-1}
  .f-contact{grid-column:auto}
}

@media (max-width:1024px){
  .nav-menu{display:none}
  .burger{display:block}
  .nav-actions .nav-tel{display:none}
  .svc-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .svc{aspect-ratio:4/3}
  .case-row{grid-template-columns:44px 1fr 44px;gap:16px}
  .case-desc,.case-tag{display:none}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .topbar-item.opt{display:none}
  .proc-grid{grid-template-columns:1fr 1fr;gap:28px 24px}
  .proc-grid::before{display:none}
}

@media (max-width:768px){
  .topbar{font-size:12px}
  .topbar .container{height:36px}
  .topbar-left{gap:16px}
  .nav{top:36px}
  .nav .container{height:68px}
  .brand-logo{height:33px}
  .nav .btn{height:38px;padding:0 14px;font-size:13px}

  .hero{min-height:auto;padding:98px 0 62px}
  .hero-title{font-size:clamp(30px,8.4vw,44px);line-height:1.24}
  .hero-desc{font-size:14.5px;line-height:1.85;margin-top:22px;padding-left:16px}
  .hero-actions{flex-direction:column;gap:12px;margin-top:32px}
  .hero-actions .btn{width:100%}
  .hero-side{display:none}

  .stats-bar{grid-template-columns:1fr 1fr}
  .stat{padding:18px 16px}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid rgba(255,255,255,.11)}
  .stat-num{font-size:26px}

  .trust .container{flex-direction:column;align-items:flex-start;gap:18px}
  .trust-label{border-right:0;padding-right:0;border-bottom:1px solid var(--line);padding-bottom:14px;width:100%}
  .trust-list{gap:20px 28px}

  .sec{padding:30px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:26px}

  .svc-grid{grid-template-columns:1fr;gap:10px}
  .svc{aspect-ratio:16/10}
  .svc-inner{padding:16px 14px}
  .svc-ico{width:30px;height:30px;margin-bottom:10px}
  .svc-ico svg{width:15px;height:15px}
  .svc h3{font-size:15px}
  .svc p{font-size:13px;line-height:1.7;margin-top:8px}
  .svc-more{font-size:11.5px;margin-top:12px}

  /* 宣传片：手机改为「画面在上、文字在下」，播放键居中 */
  .film-stage{height:auto}
  .film-media{position:relative;aspect-ratio:16/9}
  .film-inner{position:relative;inset:auto;display:block;padding:34px 0 44px}
  .film-copy{max-width:none}
  .film-title{margin-top:14px;font-size:clamp(30px,7.4vw,40px)}
  .film-desc{margin-top:16px;font-size:14px;line-height:1.82}
  .film-note{margin-top:14px}
  .film-scrim{background:linear-gradient(180deg,rgba(4,16,31,.18),rgba(4,16,31,.42))}
  .film-play{
    left:50%;right:auto;top:50%;
    width:74px;height:74px;
    transform:translate(-50%,-50%);
  }
  .film-play:hover{transform:translate(-50%,-50%) scale(1.06)}
  .film-play b{display:none}
  /* 手机端文字在画面下方而非叠加，播放时若淡出会留下一整块空白 —— 保持可见 */
  .film-stage.is-playing .film-inner{opacity:1;pointer-events:auto}
  /* 手机全屏按钮交给浏览器原生控件，画面区不再拦截点击 */
  .film-stage.is-playing{cursor:default}

  .why-list{margin-top:28px}
  .why-item{padding:20px 0;gap:14px}
  .why-no{width:30px;font-size:11px}

  .case-row{padding:18px 0;grid-template-columns:36px 1fr 34px;gap:12px}
  .case-title{font-size:14.5px}

  .faq-help{padding:20px}

  .proc-grid{grid-template-columns:1fr 1fr;gap:26px 20px}
  .proc-dot{width:52px;height:52px;font-size:16px;margin-bottom:18px}
  .proc h4{font-size:15px}
  .proc p{font-size:12.5px;padding-right:0;line-height:1.7}
  .proc-tag{display:none}

  .qual-grid{grid-template-columns:1fr}
  .culture-team .lbl{border-right:0;padding-right:0;border-bottom:1px solid var(--line);padding-bottom:12px;width:100%}
  .cert-note{gap:10px}
  .cert-note span{height:auto;padding:8px 14px;font-size:12px}

  .ticker-track span{height:48px;padding:0 18px;font-size:11px}
  .ticker-track span b{font-size:12px}

  .form-grid{grid-template-columns:1fr}
  .cta-contacts{gap:24px}

  .footer-main{grid-template-columns:1fr 1fr;gap:32px 20px;padding:48px 0 36px}
  .f-brand{grid-column:1/-1}
  .f-contact{grid-column:1/-1}
  .footer-bot{flex-direction:column;align-items:flex-start;gap:12px;font-size:12px}
}

@media (max-width:480px){
  .nav-actions .btn{display:none}
  .nav .container{gap:10px}
  .brand-logo{height:30px}
}

@media (max-width:420px){
  .svc{aspect-ratio:4/3}
  .svc-ico{display:none}
  .nev-facts{grid-template-columns:1fr;gap:20px}
  .nev-fact{border-right:0;padding-right:0;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:18px}
  .nev-fact:last-child{border-bottom:0;padding-bottom:0}
  .promise-grid{grid-template-columns:1fr}
  .promise-item{border-right:0;padding-right:0;border-bottom:1px solid var(--line);padding-bottom:24px}
  .promise-item:last-child{border-bottom:0}
  .footer-main{grid-template-columns:1fr}
}

/* ==========================================================================
   内页响应式
   ========================================================================== */
@media (max-width:1180px){
  .svc-block{gap:40px}
  .contact-grid{grid-template-columns:repeat(2,1fr)}
  .num-row{grid-template-columns:repeat(2,1fr);gap:0 24px}
  .num-cell{padding:26px 0 0}
  .num-cell:nth-child(n+3){border-top:1px solid var(--line);margin-top:26px}
}

@media (max-width:1024px){
  .svc-block{grid-template-columns:1fr;gap:22px;padding:clamp(26px,4vw,40px) 0}
  .svc-block.rev .svc-block-media{order:0}
  .svc-block-media img{aspect-ratio:16/9}
  .split{grid-template-columns:1fr;gap:40px}
  .split-media{order:-1}
  .split-media .why-badge{bottom:-16px;padding:14px 20px}
  .why-list.wide{grid-template-columns:1fr}
  .showcase img{aspect-ratio:16/9}
}

@media (max-width:768px){
  .page-hero{padding:clamp(106px,24vw,120px) 0 clamp(30px,5vw,40px)}
  .page-title{font-size:clamp(30px,7.6vw,46px);line-height:1.16}
  html[lang="en"] .page-title{font-size:clamp(28px,6.6vw,40px)}
  .page-lead{font-size:14.5px;margin-top:18px}
  .crumb{font-size:11.5px;margin-bottom:16px}

  .svc-nav a{padding:16px 14px;font-size:13px}
  .svc-block-media img{aspect-ratio:3/2}
  .svc-block{padding:24px 0;gap:16px}
  .tick-list{margin:15px 0 17px;gap:9px}
  .svc-block-body .btn{height:46px;padding:0 22px;font-size:14px}
  .svc-block-body h2{font-size:clamp(23px,5.6vw,30px)}
  .svc-block-lead{font-size:15px}
  .svc-block-body > p{font-size:14.5px}

  .card-grid{grid-template-columns:1fr;gap:14px}
  .card{padding:24px 22px}
  .card-ico{width:36px;height:36px;margin-bottom:14px}

  .num-row{grid-template-columns:1fr 1fr;gap:0 16px;margin-top:40px}
  .num-cell strong{font-size:clamp(30px,9vw,42px)}
  .num-cell span{font-size:12px;margin-top:8px}

  .case-block{grid-template-columns:1fr;gap:10px;padding:32px 0}
  .case-no{font-size:38px;color:rgba(0,91,161,.18)}
  .case-main h2{font-size:20px}

  .contact-grid{grid-template-columns:1fr 1fr;gap:12px}
  .contact-card{padding:20px 18px}
  .contact-card a,.contact-card strong{font-size:14.5px}
  .contact-ico{width:26px;height:26px;margin-bottom:6px}

  .news-card{grid-template-columns:1fr;gap:8px}
  .news-date{padding-top:0;font-size:12px}
  .article > p{font-size:15px;line-height:1.9}
  .article ul li,.article ol li{font-size:15px;line-height:1.88}
  .article h2{font-size:18px;margin:32px 0 12px}

  .legal-item p{font-size:14px}

  .empty{padding:44px 20px}
  .showcase-cap{left:16px;bottom:16px;font-size:11.5px}
}

@media (max-width:480px){
  .contact-grid{grid-template-columns:1fr}
  .num-row{grid-template-columns:1fr 1fr}
  .page-hero{padding-top:96px}
  .skip:focus{left:8px;top:8px}
}

/* ==========================================================================
   移动端抽屉菜单
   ========================================================================== */
@media (max-width:1024px){
  body.menu-open{overflow:hidden}
  .nav.menu-open{
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:120;
    background:var(--navy);overflow-y:auto;
    animation:menuIn .32s var(--ease-out) both;
  }
  .nav.menu-open .container{
    flex-wrap:wrap;height:auto;align-content:flex-start;
    padding-top:6px;padding-bottom:36px;gap:0;
  }
  .nav.menu-open .brand{height:72px}
  .nav.menu-open .nav-actions{height:72px;margin-left:auto}
  .nav.menu-open .nav-actions .btn,
  .nav.menu-open .nav-actions .nav-tel{display:none}
  .nav.menu-open .brand-logo.light{opacity:1}
  .nav.menu-open .brand-logo.dark{opacity:0}
  .nav.menu-open .burger i{background:#fff}
  .nav.menu-open .burger i:nth-child(1){top:21px;transform:rotate(45deg)}
  .nav.menu-open .burger i:nth-child(2){opacity:0;transform:scaleX(0)}
  .nav.menu-open .burger i:nth-child(3){top:21px;transform:rotate(-45deg)}

  .nav.menu-open .container > nav{flex-basis:100%;margin:14px 0 0}
  .nav.menu-open .nav-menu{display:block;width:100%}
  .nav.menu-open .nav-menu > li{border-bottom:1px solid rgba(255,255,255,.09)}
  .nav.menu-open .nav-menu > li > a{
    padding:17px 2px;font-size:18px;font-weight:600;color:#fff;letter-spacing:.02em;
  }
  .nav.menu-open .nav-menu > li > a::after{display:none}
  .nav.menu-open .nav-menu > li.current > a{color:#66BBEF}
  body.menu-open::after{
    content:"";position:fixed;inset:0;background:rgba(2,6,23,.6);
    z-index:110;pointer-events:none;
  }
}
@keyframes menuIn{from{opacity:0;translate:0 -12px}to{opacity:1;translate:0 0}}

/* ==========================================================================
   资质墙 / 合作伙伴：窄屏适配（后置，覆盖上方通用断点）
   ========================================================================== */
@media (max-width:1024px){
  .cert-wall{grid-template-columns:1fr 1fr}
  .cert-card:first-child{grid-column:1 / -1}
  .cert-plate{height:clamp(200px,30vw,280px)}
}
@media (max-width:640px){
  .cert-wall{grid-template-columns:1fr;gap:14px}
  .cert-card:first-child{grid-column:auto}
  .cert-plate{height:clamp(180px,54vw,250px)}
  .cert-card{padding:12px}
  .partners-row{gap:20px 28px}
  .partner img{height:22px;max-width:110px}
  .partner i{font-size:10.5px}
}