/* =========================================================
   海岳安装维修 · 官网样式
   设计令牌沿用小程序 DESIGN.md：主色 #0E7490 / 强调 #FF5A26
   ========================================================= */

:root{
  --ink:#06181F;
  --ink-2:#0A2A33;
  --teal:#0E7490;
  --teal-d:#0B5A70;
  --teal-l:#25A8C6;
  --accent:#FF5A26;
  --accent-l:#FF7A4D;
  --paper:#F4F7F9;
  --white:#fff;
  --text:#0F2027;
  --muted:#5D7180;
  --line:rgba(9,32,40,.10);
  --line-2:rgba(9,32,40,.06);
  --shadow-s:0 2px 8px rgba(9,32,40,.05);
  --shadow-m:0 18px 40px -20px rgba(9,32,40,.28);
  --shadow-l:0 40px 80px -40px rgba(9,32,40,.45);
  --r-s:12px;
  --r-m:18px;
  --r-l:26px;
  --wrap:1200px;
  --ease:cubic-bezier(.22,.68,0,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --f:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--f);color:var(--text);background:var(--white);
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.18;letter-spacing:-.01em;text-wrap:balance}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--teal);color:#fff}

.wrap{width:min(100% - 48px, var(--wrap));margin-inline:auto}
.skip{
  position:fixed;top:-100px;left:16px;z-index:999;background:var(--ink);color:#fff;
  padding:10px 18px;border-radius:0 0 10px 10px;transition:top .3s;
}
.skip:focus{top:0}

.ico{width:1.25em;height:1.25em;fill:none;stroke:currentColor;flex:none}

/* ---------- 顶部滚动进度 ---------- */
.scroll-progress{
  position:fixed;inset:0 auto auto 0;height:2px;width:0;z-index:120;
  background:linear-gradient(90deg,var(--teal),var(--accent));
  box-shadow:0 0 12px rgba(255,90,38,.5);
}

/* ---------- 光标光晕（桌面） ---------- */
.cursor{
  position:fixed;top:0;left:0;width:420px;height:420px;border-radius:50%;z-index:1;
  pointer-events:none;opacity:0;transition:opacity .5s;mix-blend-mode:screen;
  background:radial-gradient(circle,rgba(37,168,198,.16),rgba(37,168,198,0) 62%);
  transform:translate(-50%,-50%);
}

/* =========================================================
   导航
   ========================================================= */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background .45s var(--ease),backdrop-filter .45s,border-color .45s,box-shadow .45s;
  border-bottom:1px solid transparent;
}
.site-header.solid{
  background:rgba(6,24,31,.82);backdrop-filter:blur(18px) saturate(140%);
  border-bottom-color:rgba(255,255,255,.08);box-shadow:0 10px 40px -30px #000;
}
.header-inner{display:flex;align-items:center;gap:32px;height:78px;transition:height .4s var(--ease)}
.site-header.solid .header-inner{height:66px}

.brand{display:flex;align-items:center;gap:12px;color:#fff;margin-right:auto}
.brand img{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.9);padding:2px}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:1.02rem;letter-spacing:.02em}
.brand-text em{font-style:normal;font-size:.72rem;color:rgba(255,255,255,.62);letter-spacing:.08em}

.nav{display:flex;gap:30px}
.nav a{
  position:relative;color:rgba(255,255,255,.76);font-size:.92rem;padding:6px 0;
  transition:color .3s;
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:var(--accent);
  transform:scaleX(0);transform-origin:right;transition:transform .45s var(--ease-out);
}
.nav a:hover,.nav a.active{color:#fff}
.nav a:hover::after,.nav a.active::after{transform:scaleX(1);transform-origin:left}

.header-tel{
  display:inline-flex;align-items:center;gap:8px;color:#fff;font-weight:600;
  font-variant-numeric:tabular-nums;padding:10px 18px;border-radius:100px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);
  transition:background .3s,border-color .3s,transform .3s var(--ease);
}
.header-tel:hover{background:var(--accent);border-color:var(--accent);transform:translateY(-1px)}
.header-tel .ico{width:16px;height:16px}

.burger{display:none;width:42px;height:42px;flex-direction:column;justify-content:center;gap:5px;padding:0 9px}
.burger span{display:block;height:1.5px;background:#fff;border-radius:2px;transition:transform .35s var(--ease),opacity .3s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ---------- 右侧翻页指示器 ---------- */
.pager{
  position:fixed;right:26px;top:50%;transform:translateY(-50%);z-index:90;
  display:flex;flex-direction:column;gap:14px;
}
.pager a{
  display:flex;align-items:center;gap:10px;justify-content:flex-end;
  color:rgba(15,32,39,.35);transition:color .35s;
}
.pager i{
  font-style:normal;font-size:.66rem;letter-spacing:.1em;font-variant-numeric:tabular-nums;
  opacity:.75;transition:opacity .3s;
}
.pager a::before{
  content:"";width:14px;height:1px;background:currentColor;transition:width .4s var(--ease),background .3s;
}
.pager a::after{
  content:attr(data-label);position:absolute;right:46px;font-size:.72rem;white-space:nowrap;
  opacity:0;transform:translateX(6px);transition:opacity .3s,transform .3s;
  color:var(--text);
}
.pager a:hover,.pager a.active{color:var(--teal)}
.pager a.active::before{width:26px;background:var(--teal)}
.pager a:hover::after{opacity:1;transform:none}
.pager.dark a{color:rgba(255,255,255,.3)}
.pager.dark a:hover,.pager.dark a.active{color:#fff}

/* =========================================================
   首屏
   ========================================================= */
.scene{position:relative}
.hero{
  min-height:100svh;display:flex;align-items:center;
  padding:118px 0 64px;background:var(--ink);color:#fff;overflow:hidden;
  isolation:isolate;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:180px;z-index:3;
  background:linear-gradient(to bottom,rgba(6,24,31,0),var(--ink));
  pointer-events:none;
}
.aurora{position:absolute;inset:0;z-index:0;filter:blur(70px);opacity:.9}
.blob{position:absolute;border-radius:50%;mix-blend-mode:screen;will-change:transform}
.b1{width:52vw;height:52vw;left:-12vw;top:-16vw;background:radial-gradient(circle at 40% 40%,#0E7490,transparent 68%);animation:drift1 22s ease-in-out infinite}
.b2{width:44vw;height:44vw;right:-10vw;top:6vw;background:radial-gradient(circle at 50% 50%,#1C7E8E,transparent 66%);animation:drift2 26s ease-in-out infinite}
.b3{width:36vw;height:36vw;left:34vw;bottom:-16vw;background:radial-gradient(circle at 50% 50%,rgba(255,90,38,.55),transparent 70%);animation:drift3 30s ease-in-out infinite}
@keyframes drift1{0%,100%{transform:translate3d(0,0,0) scale(1)}50%{transform:translate3d(6vw,4vw,0) scale(1.12)}}
@keyframes drift2{0%,100%{transform:translate3d(0,0,0) scale(1.05)}50%{transform:translate3d(-5vw,6vw,0) scale(.94)}}
@keyframes drift3{0%,100%{transform:translate3d(0,0,0) scale(1)}50%{transform:translate3d(-8vw,-5vw,0) scale(1.15)}}

.grid-overlay{
  position:absolute;inset:0;z-index:1;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:76px 76px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 30%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 30%,#000 30%,transparent 78%);
}

.hero-grid{
  position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;
  gap:56px;align-items:center;
}

.eyebrow{
  display:inline-flex;align-items:center;gap:9px;font-size:.8rem;letter-spacing:.14em;
  color:var(--teal);text-transform:uppercase;margin-bottom:22px;
}
.hero .eyebrow{color:#8FD3E3}
.eyebrow .dot{
  width:7px;height:7px;border-radius:50%;background:currentColor;
  box-shadow:0 0 0 4px rgba(37,168,198,.18);animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(37,168,198,.16)}50%{box-shadow:0 0 0 9px rgba(37,168,198,0)}}

.hero-title{font-size:clamp(2.5rem,5.6vw,4.9rem);font-weight:800;letter-spacing:-.02em;line-height:1.08}
.hero-title .line{display:block;overflow:hidden;padding-bottom:.06em}
.hero-title .line>span{
  display:block;transform:translateY(112%);
  animation:lineUp 1.05s var(--ease-out) forwards;
}
.hero-title .line:nth-child(1)>span{animation-delay:.15s}
.hero-title .line:nth-child(2)>span{animation-delay:.28s}
.hero-title .line:nth-child(3)>span{animation-delay:.41s}
@keyframes lineUp{to{transform:translateY(0)}}

.grad{
  background:linear-gradient(100deg,#fff 0%,#9BE3F2 42%,#FF8B62 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

.hero-sub{
  margin-top:26px;max-width:34em;color:rgba(255,255,255,.72);font-size:1.02rem;line-height:1.95;
}

.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}

.btn{
  display:inline-flex;align-items:center;gap:10px;height:54px;padding:0 28px;border-radius:100px;
  white-space:nowrap;
  font-weight:600;font-size:.98rem;letter-spacing:.01em;transition:transform .35s var(--ease),box-shadow .35s,background .35s,color .35s,border-color .35s;
  will-change:transform;
}
.btn .ico{width:19px;height:19px}
.btn-primary{
  background:linear-gradient(120deg,var(--accent),#FF7B3F);color:#fff;
  box-shadow:0 14px 34px -14px rgba(255,90,38,.75);
}
.btn-primary:hover{box-shadow:0 20px 44px -16px rgba(255,90,38,.85)}
.btn-ghost{
  border:1px solid rgba(255,255,255,.26);color:#fff;background:rgba(255,255,255,.05);
  backdrop-filter:blur(6px);
}
.btn-ghost:hover{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.4)}

.hero-facts{
  display:flex;flex-wrap:wrap;gap:8px 38px;margin-top:42px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.1);
}
.hero-facts li{display:flex;flex-direction:column;gap:2px}
.hero-facts strong{
  font-size:1.55rem;font-weight:750;font-variant-numeric:tabular-nums;letter-spacing:-.02em;
  background:linear-gradient(180deg,#fff,#9FD9E7);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-facts span{font-size:.78rem;color:rgba(255,255,255,.5);letter-spacing:.06em}

/* ---------- 首屏右侧：扫码卡 ---------- */
.hero-visual{position:relative;display:flex;justify-content:center;perspective:1200px}
.phone-card{
  position:relative;width:min(360px,100%);padding:24px 24px 18px;border-radius:30px;
  background:linear-gradient(160deg,rgba(255,255,255,.13),rgba(255,255,255,.04));
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 50px 90px -40px rgba(0,0,0,.85),inset 0 1px 0 rgba(255,255,255,.2);
  backdrop-filter:blur(18px);
  animation:floaty 7s ease-in-out infinite;
  transform-style:preserve-3d;
}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.phone-top{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.phone-top img{width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.92);padding:2px}
.phone-top b{display:block;font-size:.98rem}
.phone-top small{color:rgba(255,255,255,.6);font-size:.76rem;letter-spacing:.04em}
.qr-wrap{position:relative;border-radius:22px;overflow:hidden;background:#fff;padding:12px}
.qr-wrap img{width:100%;height:auto;border-radius:12px}
.qr-perk{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:14px;padding:10px 14px;border-radius:14px;
  background:linear-gradient(120deg,rgba(255,90,38,.22),rgba(255,90,38,.08));
  border:1px solid rgba(255,90,38,.35);
}
.qr-perk span{font-size:.82rem;color:#FFD9C9;white-space:nowrap}
.qr-perk b{font-size:1.06rem;color:#fff;letter-spacing:-.01em}
.qr-perk em{font-style:normal;font-size:.66rem;color:rgba(255,255,255,.6);text-align:right;line-height:1.4}
.phone-foot{margin-top:14px;text-align:center;font-size:.78rem;color:rgba(255,255,255,.62);letter-spacing:.05em}

.float-tag{
  position:absolute;padding:8px 15px;border-radius:100px;font-size:.76rem;letter-spacing:.04em;
  background:rgba(9,36,45,.72);border:1px solid rgba(255,255,255,.16);color:#D6F0F7;
  backdrop-filter:blur(10px);box-shadow:0 16px 30px -20px #000;
  animation:floaty 6s ease-in-out infinite;
}
.t1{left:-6%;top:12%;animation-delay:-1s}
.t2{right:-4%;top:44%;animation-delay:-2.5s}
.t3{left:2%;bottom:8%;animation-delay:-4s}

.scroll-cue{
  position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:4;
  display:flex;flex-direction:column;align-items:center;gap:10px;
  font-size:.68rem;letter-spacing:.24em;color:rgba(255,255,255,.4);text-transform:uppercase;
}
.scroll-cue i{
  width:1px;height:46px;background:linear-gradient(to bottom,rgba(255,255,255,.5),transparent);
  position:relative;overflow:hidden;
}
.scroll-cue i::after{
  content:"";position:absolute;top:-46px;left:0;width:1px;height:46px;
  background:linear-gradient(to bottom,transparent,#fff);
  animation:cue 2.2s var(--ease) infinite;
}
@keyframes cue{0%{top:-46px}70%,100%{top:46px}}

/* =========================================================
   跑马灯
   ========================================================= */
.marquee{
  background:var(--ink);border-block:1px solid rgba(255,255,255,.07);
  overflow:hidden;padding:18px 0;position:relative;z-index:5;
}
.marquee-track{
  display:flex;align-items:center;gap:34px;white-space:nowrap;width:max-content;
  animation:marquee 38s linear infinite;color:rgba(255,255,255,.42);
  font-size:.95rem;letter-spacing:.16em;
}
.marquee-track span:nth-child(2n){color:var(--accent);opacity:.8}
@keyframes marquee{to{transform:translateX(-50%)}}
.marquee:hover .marquee-track{animation-play-state:paused}

/* =========================================================
   通用区块
   ========================================================= */
.section{padding:clamp(84px,11vw,148px) 0;background:var(--white)}
.section.paper{background:var(--paper)}
.section.dark{background:var(--ink);color:#fff}
.section.dark::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(ellipse 60% 50% at 15% 0%,rgba(14,116,144,.35),transparent 70%),
             radial-gradient(ellipse 50% 40% at 90% 90%,rgba(255,90,38,.14),transparent 70%);
}
.section>.wrap{position:relative;z-index:1}

.sec-head{max-width:720px;margin-bottom:clamp(42px,6vw,68px)}
.sec-head.left{margin-bottom:44px}
.sec-title{font-size:clamp(1.9rem,3.7vw,3.1rem);font-weight:800;letter-spacing:-.025em;line-height:1.22}
.sec-title em{font-style:normal;color:var(--teal);position:relative}
.section.dark .sec-title em{color:#8FD3E3}
.sec-title em::after{
  content:"";position:absolute;left:0;right:0;bottom:.06em;height:.1em;z-index:-1;
  background:linear-gradient(90deg,rgba(255,90,38,.32),rgba(255,90,38,0));
  transform:scaleX(0);transform-origin:left;transition:transform .9s var(--ease-out) .3s;
}
.sec-title.in em::after{transform:scaleX(1)}
.sec-sub{margin-top:20px;color:var(--muted);font-size:1.02rem;line-height:1.95;max-width:38em}
.section.dark .sec-sub{color:rgba(255,255,255,.62)}

/* =========================================================
   服务卡片
   ========================================================= */
.cards{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.card{
  position:relative;padding:30px 26px 24px;border-radius:var(--r-l);
  background:var(--white);border:1px solid var(--line-2);
  box-shadow:var(--shadow-s);overflow:hidden;
  transition:transform .5s var(--ease),box-shadow .5s,border-color .4s;
  transform-style:preserve-3d;
  display:flex;flex-direction:column;
}
.card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;opacity:0;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(14,116,144,.09),transparent 60%);
  transition:opacity .5s;
}
.card::after{
  content:"";position:absolute;left:0;top:0;height:2px;width:100%;
  background:linear-gradient(90deg,var(--teal),var(--accent));
  transform:scaleX(0);transform-origin:left;transition:transform .55s var(--ease-out);
}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-m);border-color:rgba(14,116,144,.24)}
.card:hover::before{opacity:1}
.card:hover::after{transform:scaleX(1)}
.card-ico{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;margin-bottom:20px;
  background:linear-gradient(150deg,rgba(14,116,144,.12),rgba(14,116,144,.04));
  color:var(--teal);transition:transform .5s var(--ease),background .5s,color .4s;
}
.card:hover .card-ico{transform:translateY(-2px) scale(1.06);background:var(--teal);color:#fff}
.card-ico .ico{width:26px;height:26px}
.card h3{font-size:1.06rem;font-weight:700;letter-spacing:-.01em}
.card p{margin-top:10px;color:var(--muted);font-size:.9rem;line-height:1.8;min-height:3.6em}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:16px;border-top:1px dashed var(--line)}
.card p{flex:1}
.price{font-size:1.28rem;font-weight:750;color:var(--accent);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.price small{font-size:.68rem;color:var(--muted);font-weight:500;margin-left:3px}
.tag{
  font-size:.68rem;letter-spacing:.08em;color:var(--teal);
  background:rgba(14,116,144,.08);padding:3px 10px;border-radius:100px;
}
.cards-note{margin-top:34px;color:var(--muted);font-size:.88rem}

/* =========================================================
   服务流程
   ========================================================= */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;
  counter-reset:step;
}
.steps::before{
  content:"";position:absolute;left:0;right:0;top:46px;height:1px;
  background:rgba(255,255,255,.14);
}
.steps::after{
  content:"";position:absolute;left:0;top:46px;height:1px;width:100%;
  background:linear-gradient(90deg,var(--teal-l),var(--accent));
  transform:scaleX(var(--p,0));transform-origin:left;transition:transform .2s linear;
  box-shadow:0 0 14px rgba(37,168,198,.8);
}
.step{
  position:relative;padding:88px 22px 26px;border-radius:var(--r-m);
  background:linear-gradient(170deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  border:1px solid rgba(255,255,255,.08);
  transition:background .45s,border-color .45s,transform .45s var(--ease);
}
.step:hover{background:rgba(255,255,255,.075);border-color:rgba(255,255,255,.18);transform:translateY(-4px)}
.step-no{
  position:absolute;left:22px;top:20px;font-size:2.6rem;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.3);letter-spacing:-.04em;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:1.05rem;margin-top:6px}
.step p{margin-top:10px;color:rgba(255,255,255,.6);font-size:.9rem;line-height:1.85}
.step::before{
  content:"";position:absolute;left:26px;top:39px;width:15px;height:15px;border-radius:50%;
  background:var(--ink);border:2px solid var(--teal-l);z-index:2;
  box-shadow:0 0 0 6px rgba(37,168,198,.1);
  transition:background .4s,border-color .4s;
}
.step.in::before{background:var(--teal-l);border-color:#B8ECF7}

/* =========================================================
   为什么选我们
   ========================================================= */
.why-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}
.why-list{display:grid;gap:14px;margin-top:38px}
.why-item{
  display:flex;gap:18px;padding:22px 24px;border-radius:var(--r-m);
  border:1px solid var(--line-2);background:var(--white);
  transition:transform .45s var(--ease),box-shadow .45s,border-color .45s;
}
.why-item:hover{transform:translateX(6px);box-shadow:var(--shadow-m);border-color:rgba(14,116,144,.2)}
.why-ico{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;flex:none;
  background:rgba(255,90,38,.08);color:var(--accent);
}
.why-ico .ico{width:22px;height:22px}
.why-item h3{font-size:1rem}
.why-item p{margin-top:6px;color:var(--muted);font-size:.88rem;line-height:1.75}

.why-stat{
  padding:36px 30px;border-radius:var(--r-l);text-align:center;
  background:linear-gradient(165deg,#0B2C36,#061A22);color:#fff;
  box-shadow:var(--shadow-l);position:relative;overflow:hidden;
}
.why-stat::after{
  content:"";position:absolute;width:280px;height:280px;border-radius:50%;right:-90px;top:-90px;
  background:radial-gradient(circle,rgba(255,90,38,.32),transparent 70%);filter:blur(10px);
}
.stat-ring{position:relative;width:190px;height:190px;margin:0 auto 26px}
.stat-ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring-bg{fill:none;stroke:rgba(255,255,255,.1);stroke-width:6}
.ring-fg{
  fill:none;stroke:url(#none);stroke:#25A8C6;stroke-width:6;stroke-linecap:round;
  stroke-dasharray:327;stroke-dashoffset:327;
  transition:stroke-dashoffset 1.8s var(--ease-out);
  filter:drop-shadow(0 0 6px rgba(37,168,198,.8));
}
.why-stat.in .ring-fg{stroke-dashoffset:60}
.stat-core{position:absolute;inset:0;display:grid;place-content:center;gap:4px}
.stat-core strong{font-size:1.9rem;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.stat-core span{font-size:.74rem;color:rgba(255,255,255,.55);letter-spacing:.08em}
.stat-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.stat-list li{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.07);
  border-radius:14px;padding:14px 12px;font-size:.78rem;color:rgba(255,255,255,.55);
  display:flex;flex-direction:column;gap:2px;
}
.stat-list b{font-size:1.15rem;color:#fff;font-weight:700;font-variant-numeric:tabular-nums}

/* =========================================================
   覆盖区域
   ========================================================= */
.zones{display:grid;grid-template-columns:1fr 1fr;gap:10px 44px}
.zone{
  display:grid;grid-template-columns:104px 1fr 58px;align-items:center;gap:14px;
  padding:11px 0;border-bottom:1px solid var(--line-2);
}
.zone span{font-size:.92rem;color:var(--text)}
.zone b{font-variant-numeric:tabular-nums;color:var(--muted);font-size:.86rem;font-weight:600}
.zone::before{
  content:"";grid-column:2;grid-row:1;height:4px;border-radius:4px;
  background:linear-gradient(90deg,var(--teal),rgba(37,168,198,.25));
  width:calc(var(--w) / 1076 * 100%);
  transform:scaleX(0);transform-origin:left;
  transition:transform 1.1s var(--ease-out);
}
.zones.in .zone::before{transform:scaleX(1)}
.zones.in .zone:nth-child(2)::before{transition-delay:.05s}
.zones.in .zone:nth-child(3)::before{transition-delay:.1s}
.zones.in .zone:nth-child(4)::before{transition-delay:.15s}
.zones.in .zone:nth-child(5)::before{transition-delay:.2s}
.zones.in .zone:nth-child(6)::before{transition-delay:.25s}
.zones.in .zone:nth-child(7)::before{transition-delay:.3s}
.zones.in .zone:nth-child(8)::before{transition-delay:.35s}
.zones.in .zone:nth-child(9)::before{transition-delay:.4s}
.zones.in .zone:nth-child(10)::before{transition-delay:.45s}
.zones.in .zone:nth-child(11)::before{transition-delay:.5s}
.zones.in .zone:nth-child(12)::before{transition-delay:.55s}
.zones.in .zone:nth-child(13)::before{transition-delay:.6s}
.zones.in .zone:nth-child(14)::before{transition-delay:.65s}
.zones-note{margin-top:30px;color:var(--muted);font-size:.88rem}

/* =========================================================
   小程序区
   ========================================================= */
.mp{
  background:
    radial-gradient(ellipse 70% 60% at 20% 20%,#0B3A47,transparent 60%),
    radial-gradient(ellipse 60% 60% at 85% 80%,#2A1409,transparent 60%),
    #06181F;
  color:#fff;overflow:hidden;
}
.mp-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.mp .eyebrow{color:#8FD3E3}
.mp-list{display:grid;gap:14px;margin-top:34px}
.mp-list li{display:flex;gap:12px;align-items:flex-start;color:rgba(255,255,255,.76);font-size:.95rem}
.mp-list .ico{width:18px;height:18px;color:#25A8C6;margin-top:4px}
.mp-actions{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap}

.mp-card{
  position:relative;justify-self:center;padding:26px;border-radius:32px;text-align:center;
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(14px);box-shadow:0 60px 100px -50px #000;
}
.mp-glow{
  position:absolute;inset:-40% -20% auto -20%;height:300px;z-index:-1;
  background:radial-gradient(ellipse at center,rgba(255,90,38,.35),transparent 65%);filter:blur(30px);
}
.mp-card img{width:min(300px,72vw);border-radius:18px;background:#fff;padding:10px}
.mp-card p{margin-top:16px;font-size:.82rem;color:rgba(255,255,255,.6);letter-spacing:.06em}
.coupon{
  display:inline-block;margin-top:14px;padding:9px 18px;border-radius:100px;
  background:linear-gradient(120deg,var(--accent),#FF8A5B);font-weight:700;font-size:.92rem;
  box-shadow:0 16px 30px -16px rgba(255,90,38,.9);
}
.coupon small{display:block;font-weight:400;font-size:.66rem;opacity:.85;letter-spacing:.06em}

/* =========================================================
   联系
   ========================================================= */
.contact-main{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:44px 48px;border-radius:var(--r-l);color:#fff;
  background:linear-gradient(150deg,#0E7490,#0B4A5C 60%,#08222A);
  box-shadow:var(--shadow-l);position:relative;overflow:hidden;
  transition:transform .5s var(--ease),box-shadow .5s;
}
.cm-body{display:flex;flex-direction:column;gap:10px;position:relative;z-index:1}
.cm-cta{
  display:inline-flex;align-items:center;gap:10px;flex:none;position:relative;z-index:1;
  height:52px;padding:0 26px;border-radius:100px;font-weight:700;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  transition:background .35s,transform .35s var(--ease),border-color .35s;
}
.cm-cta .ico{width:18px;height:18px;transition:transform .35s var(--ease)}
.contact-main:hover .cm-cta{background:var(--accent);border-color:var(--accent)}
.contact-main:hover .cm-cta .ico{transform:translateX(4px)}
.contact-main::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,38,.45),transparent 68%);filter:blur(14px);
}
.contact-main:hover{transform:translateY(-4px);box-shadow:0 50px 90px -40px rgba(8,34,42,.85)}
.cm-label{font-size:.78rem;letter-spacing:.14em;color:rgba(255,255,255,.6)}
.cm-tel{
  font-size:clamp(1.9rem,3.6vw,2.9rem);font-weight:800;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.cm-hint{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;color:rgba(255,255,255,.6)}
.cm-hint .ico{width:15px;height:15px}

.contact-side{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.contact-item{
  padding:24px 26px;border-radius:var(--r-m);border:1px solid var(--line-2);background:var(--white);
  transition:border-color .4s,box-shadow .4s,transform .4s var(--ease);
}
.contact-item:hover{border-color:rgba(14,116,144,.22);box-shadow:var(--shadow-m);transform:translateY(-2px)}
.ci-label{font-size:.74rem;letter-spacing:.14em;color:var(--teal);text-transform:uppercase}
.ci-value{display:block;font-size:1.16rem;font-weight:700;margin-top:6px;letter-spacing:-.01em}
.contact-item p{margin-top:8px;color:var(--muted);font-size:.85rem;line-height:1.75}
.contact-item a:hover{color:var(--teal)}
.todo{color:var(--accent);border-bottom:1px dashed currentColor;font-size:.9em}

/* =========================================================
   页脚
   ========================================================= */
.site-footer{background:var(--ink);color:rgba(255,255,255,.55);padding:56px 0 44px;font-size:.84rem}
.footer-inner{display:grid;grid-template-columns:1fr auto;gap:32px 48px;align-items:start}
.footer-brand{display:flex;gap:14px;align-items:center}
.footer-brand img{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.9);padding:2px}
.footer-brand strong{color:#fff;font-size:.98rem}
.footer-brand p{margin-top:4px;font-size:.78rem;color:rgba(255,255,255,.42)}
.footer-nav{display:flex;gap:24px;flex-wrap:wrap}
.footer-nav a{transition:color .3s}
.footer-nav a:hover{color:#fff}
.footer-legal{grid-column:1/-1;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.08);font-size:.76rem;color:rgba(255,255,255,.34)}
.footer-legal .todo{color:rgba(255,90,38,.9)}
.footer-legal .icp a:hover{color:#fff}

/* =========================================================
   滚动入场动画（仅在 JS 可用时隐藏内容，避免脚本失效白屏）
   ========================================================= */
.reveal{
  transition:opacity .85s var(--ease-out),transform .85s var(--ease-out);
  transition-delay:calc(var(--d,0) * 90ms);
}
.js .reveal{opacity:0;transform:translateY(26px)}
.js .reveal.in{opacity:1;transform:none}

/* 翻页感：区块标题带轻微 3D 翻起 */
.sec-head .sec-title{transform-origin:50% 100%}
.js .sec-head .sec-title.reveal{transform:translateY(30px) rotateX(6deg);opacity:0}
.js .sec-head .sec-title.reveal.in{transform:none;opacity:1}

/* =========================================================
   响应式
   ========================================================= */
/* 窄一点的桌面：页码会压到内容，直接收起来 */
@media (max-width:1439px){
  .pager,.float-tag{display:none}
}

/* 笔记本矮屏：首屏整体收紧，保证一屏放得下 */
@media (min-width:1101px) and (max-height:850px){
  .hero{padding-top:104px;padding-bottom:44px}
  .hero-title{font-size:clamp(2.2rem,4.3vw,3.7rem)}
  .hero-sub{margin-top:18px;font-size:.96rem;line-height:1.85}
  .hero-actions{margin-top:26px}
  .hero-facts{margin-top:30px;padding-top:20px}
  .hero-facts strong{font-size:1.34rem}
  .scroll-cue{display:none}
  .phone-card{padding:20px 20px 14px}
  .phone-top{margin-bottom:14px}
}

@media (max-width:1100px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr;gap:52px}
  .hero-visual{order:2}
  .why-grid,.mp-grid{grid-template-columns:1fr;gap:48px}
  .contact-side{grid-template-columns:1fr 1fr}
  .contact-main{flex-direction:column;align-items:flex-start;gap:22px}
  .zones{grid-template-columns:1fr}
  .pager{display:none}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps::before,.steps::after{display:none}
  .step{padding-top:78px}
}
@media (max-width:860px){
  .wrap{width:min(100% - 36px,var(--wrap))}
  .nav{
    position:fixed;inset:66px 0 auto 0;flex-direction:column;gap:0;
    background:rgba(6,24,31,.97);backdrop-filter:blur(20px);
    padding:8px 24px 26px;border-bottom:1px solid rgba(255,255,255,.1);
    transform:translateY(-12px);opacity:0;visibility:hidden;transition:.35s var(--ease);
  }
  .nav.open{transform:none;opacity:1;visibility:visible}
  .nav a{padding:15px 0;border-bottom:1px solid rgba(255,255,255,.07);font-size:1rem}
  .nav a::after{display:none}
  .burger{display:flex}
  .header-tel span{display:none}
  .header-tel{padding:10px;border-radius:50%;width:42px;height:42px;justify-content:center}
  .hero{padding-top:112px}
  .hero-facts{gap:12px 26px}
  .float-tag{display:none}
  .footer-inner{grid-template-columns:1fr}
  .contact-main{padding:34px 26px}
  .contact-side{grid-template-columns:1fr}
  .cm-tel{font-size:2rem}
  .marquee-track{font-size:.82rem;gap:24px}
}
@media (max-width:620px){
  .cards{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .hero-title{font-size:clamp(2.1rem,9vw,3rem)}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{justify-content:center;padding:0 18px}
  .stat-list{grid-template-columns:1fr 1fr}
  .section{padding:72px 0}
}

/* 减弱动效偏好 */
@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}
  .hero-title .line>span{transform:none}
}