/* =========================================================
   卓成网络 · 站点主样式
   设计语言：深墨 + 亮蓝 + 细金；大留白、克制动效
   ========================================================= */

:root{
    --ink:#0A0F1A;
    --ink-2:#0E1523;
    --ink-3:#162033;
    --gold:#C8A96A;
    --gold-2:#E2CB9B;
    --blue:#2E6BFF;
    --blue-2:#5B8CFF;
    --paper:#fff;
    --soft:#F4F6FA;
    --soft-2:#EDF1F7;
    --line:#E5E9F0;
    --line-dark:rgba(255,255,255,.12);
    --text:#101623;
    --muted:#5D6678;
    --muted-dark:rgba(255,255,255,.62);
    --r:14px;
    --wrap:1280px;
    --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
    margin:0;color:var(--text);background:var(--paper);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;line-height:1.75;letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer}
::selection{background:var(--gold);color:#0A0F1A}

.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:9999;background:#fff;padding:8px 14px;border-radius:8px}

.wrap{width:min(var(--wrap),calc(100% - 64px));margin:0 auto}
.wrap--narrow{width:min(880px,calc(100% - 64px))}
.center{text-align:center}

/* ---------- 通用组件 ---------- */
.btn{
    display:inline-flex;align-items:center;gap:10px;
    padding:14px 26px;border-radius:999px;border:1px solid transparent;
    font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
    transition:transform .35s var(--ease),background .3s,border-color .3s,color .3s,box-shadow .35s;
}
.btn:hover{transform:translateY(-2px)}
.btn--sm{padding:11px 20px;font-size:14px}
.btn--lg{padding:17px 34px;font-size:16px}
.btn--gold{background:linear-gradient(120deg,var(--gold),var(--gold-2));color:#12160f;box-shadow:0 10px 30px rgba(200,169,106,.25)}
.btn--gold:hover{box-shadow:0 16px 40px rgba(200,169,106,.35)}
.btn--dark{background:var(--ink);color:#fff}
.btn--dark:hover{background:var(--ink-3)}
.btn--line{border-color:rgba(255,255,255,.28);color:#fff}
.btn--line:hover{border-color:var(--gold);color:var(--gold)}
.sec--paper .btn--line,.sec .btn--line{border-color:var(--line);color:var(--text)}
.sec .btn--line:hover{border-color:var(--ink);color:var(--ink)}
.btn--ghost{border-color:rgba(255,255,255,.3);color:#fff}
.btn--ghost:hover{border-color:#fff}

.arw{width:17px;height:17px;flex:none;position:relative;display:inline-block}
.arw::before,.arw::after{content:"";position:absolute;background:currentColor;transition:transform .35s var(--ease)}
.arw::before{left:0;top:8px;width:15px;height:1.5px}
.arw::after{right:2px;top:4px;width:8px;height:1.5px;transform:rotate(45deg);box-shadow:0 4px 0 currentColor}
a:hover .arw::before{width:19px}

.eyebrow,.sec__eyebrow{
    display:flex;align-items:center;gap:10px;
    font-size:12px;letter-spacing:.18em;text-transform:uppercase;
    color:var(--muted);font-weight:600;
}
.eyebrow i{width:26px;height:1px;background:var(--gold);display:inline-block}
.sec__eyebrow{color:var(--gold);margin-bottom:18px}
.sec__head{max-width:820px;margin-bottom:56px}
.sec__head h2{font-size:clamp(28px,3.4vw,44px);margin-bottom:18px}
.sec__head p{color:var(--muted);font-size:17px;line-height:1.85;max-width:680px}
.sec__head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec__head--center p{margin-left:auto;margin-right:auto}
.sec__head--center .sec__eyebrow{justify-content:center}
.sec__head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.sec__head--light h2,.sec__head--light p{color:#fff}
.sec__head--light p{color:var(--muted-dark)}
.h2-sub{font-size:clamp(22px,2.4vw,32px);margin-bottom:32px}
.h2-light{color:#fff;font-size:clamp(24px,2.8vw,38px);margin-bottom:14px}
.p-light{color:var(--muted-dark);margin-bottom:28px;max-width:600px;margin-left:auto;margin-right:auto}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:4px;white-space:nowrap}
.link-more:hover{color:var(--ink);border-color:var(--ink)}

.sec{padding:110px 0}
.sec--tight{padding:80px 0}
.sec--paper{background:var(--soft)}
.sec--soft{background:linear-gradient(180deg,#F7F9FC,#fff)}
.sec--ink{background:var(--ink);color:#fff}

/* ---------- 导航 ---------- */
.nav{
    position:fixed;inset:0 0 auto 0;z-index:100;
    transition:background .45s var(--ease),box-shadow .45s,backdrop-filter .3s;
}
.nav__in{
    width:min(var(--wrap),calc(100% - 64px));margin:0 auto;height:88px;
    display:flex;align-items:center;gap:26px;
    transition:height .35s var(--ease);
}
.nav.is-solid{background:rgba(10,15,26,.92);backdrop-filter:blur(14px);box-shadow:0 1px 0 rgba(255,255,255,.07)}
.nav.is-solid .nav__in{height:72px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;flex:none}
.brand__mark{width:38px;height:38px;border-radius:9px;flex:none;box-shadow:0 4px 14px rgba(0,0,0,.35)}
.brand__txt{font-size:20px;font-weight:700;letter-spacing:.04em}
.brand__txt em{font-style:normal;font-weight:400;color:rgba(255,255,255,.72);margin-left:2px}
.brand__sub{font-size:9px;letter-spacing:.28em;color:rgba(255,255,255,.4);margin-left:-2px;padding-top:6px}

.menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.menu__item{position:relative}
.menu__item>a{
    display:block;padding:10px 12px;border-radius:8px;
    color:rgba(255,255,255,.86);font-size:15px;font-weight:500;
    transition:color .25s,background .25s;
}
.menu__item>a:hover,.menu__item>a.is-active{color:#fff;background:rgba(255,255,255,.08)}
.mega{
    position:absolute;top:calc(100% + 12px);left:-24px;width:520px;
    background:#fff;color:var(--text);border-radius:16px;padding:14px;
    box-shadow:0 30px 80px rgba(8,12,22,.28);
    opacity:0;visibility:hidden;transform:translateY(8px);
    transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
}
.menu__item:hover .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega__grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.mega__card{padding:12px 14px;border-radius:10px;transition:background .2s}
.mega__card b{display:block;font-size:14.5px;margin-bottom:2px}
.mega__card span{font-size:12.5px;color:var(--muted)}
.mega__card:hover{background:var(--soft)}
.mega__card:hover b{color:var(--blue)}

.nav__right{display:flex;align-items:center;gap:18px;flex:none}
.nav__tel{display:flex;flex-direction:column;line-height:1.2;color:#fff}
.nav__tel span{font-size:11px;color:rgba(255,255,255,.5);letter-spacing:.08em}
.nav__tel b{font-size:17px;letter-spacing:.02em}
.burger{display:none;width:42px;height:42px;border:1px solid rgba(255,255,255,.22);border-radius:50%;background:none;position:relative}
.burger i{position:absolute;left:12px;width:18px;height:1.5px;background:#fff;transition:transform .3s,opacity .3s}
.burger i:nth-child(1){top:17px}
.burger i:nth-child(2){top:23px}
body.menu-open .burger i:nth-child(1){transform:translateY(3px) rotate(45deg)}
body.menu-open .burger i:nth-child(2){transform:translateY(-3px) rotate(-45deg)}

/* ---------- HERO ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;padding:150px 0 90px}
.hero__video{
    position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
    opacity:.09;mix-blend-mode:screen;filter:blur(3px) saturate(.9);pointer-events:none;
}
.hero__spot{
    position:absolute;inset:0;pointer-events:none;z-index:1;
    background:radial-gradient(620px circle at var(--mx,72%) var(--my,34%),rgba(46,107,255,.18),transparent 62%);
    transition:background .25s linear;
}
.hero::after{
    content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
    background:linear-gradient(180deg,rgba(10,15,26,.42) 0%,rgba(10,15,26,.58) 55%,rgba(10,15,26,.72) 100%);
}
.hero__in{z-index:2}
.hero__glow{
    position:absolute;width:1100px;height:1100px;right:-320px;top:-420px;border-radius:50%;
    background:radial-gradient(circle,rgba(46,107,255,.32),rgba(46,107,255,0) 62%);
    filter:blur(10px);
}
.hero__glow::after{
    content:"";position:absolute;left:-260px;top:520px;width:700px;height:700px;border-radius:50%;
    background:radial-gradient(circle,rgba(200,169,106,.20),rgba(200,169,106,0) 65%);
}
.hero__grid-lines{
    position:absolute;inset:0;
    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:88px 88px;
    mask-image:radial-gradient(circle at 60% 40%,#000 20%,transparent 78%);
}
.hero__in{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:center}
.hero h1{font-size:clamp(34px,4.6vw,66px);line-height:1.16;margin:22px 0 26px;letter-spacing:-.03em}
.hero__line{display:block}
.hero__line:nth-child(2){font-weight:300;color:rgba(255,255,255,.86)}
.hl{color:var(--gold);position:relative;white-space:nowrap}
.hl::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:linear-gradient(90deg,var(--gold),transparent)}
.hero__lead{max-width:520px;color:rgba(255,255,255,.72);font-size:17px;line-height:1.9}
.hero__btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero__stats{display:flex;gap:40px;margin-top:56px;padding-top:30px;border-top:1px solid rgba(255,255,255,.12);flex-wrap:wrap}
.hero__stats li{display:flex;flex-direction:column}
.hero__stats b{font-size:34px;font-weight:700;letter-spacing:-.02em;line-height:1}
.hero__stats i{font-style:normal;font-size:13px;color:var(--gold);margin-top:6px}
.hero__stats span{font-size:13px;color:rgba(255,255,255,.55);margin-top:2px}
.hero__stats-note{opacity:.9}

/* Hero 卡片堆叠 */
.hero__visual{position:relative;height:480px;perspective:1400px}
.deck{position:absolute;inset:0;transform-style:preserve-3d}
.deck__card{
    position:absolute;left:8%;top:6%;width:78%;margin:0;
    border-radius:16px;overflow:hidden;background:var(--ink-3);
    box-shadow:0 40px 80px rgba(0,0,0,.5);
    transition:transform .8s var(--ease),opacity .6s var(--ease);
    transform-origin:50% 100%;
}
.deck__card .deck__shot{height:230px;background-size:cover;background-position:top center}
.deck__card figcaption{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;font-size:14px;background:rgba(16,22,35,.96)}
.deck__card figcaption b{font-weight:600}
.deck__card figcaption span{color:var(--gold);font-size:12px}
.deck__badge{
    position:absolute;right:0;bottom:6%;background:rgba(255,255,255,.08);
    border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(8px);
    padding:12px 18px;border-radius:999px;font-size:13px;letter-spacing:.06em;
}
.hero__scroll{position:absolute;left:50%;bottom:34px;transform:translateX(-50%);width:1px;height:54px;background:rgba(255,255,255,.16);overflow:hidden}
.hero__scroll span{position:absolute;top:-54px;left:0;width:1px;height:54px;background:var(--gold);animation:scrollHint 2.4s infinite}
@keyframes scrollHint{0%{top:-54px}60%{top:54px}100%{top:54px}}

/* ---------- 客户带 ---------- */
.clients{background:var(--ink-2);color:#fff;padding:54px 0 60px;border-top:1px solid rgba(255,255,255,.06)}
.clients__label{font-size:13px;letter-spacing:.06em;color:rgba(255,255,255,.45);margin-bottom:28px}
.marquee{overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee__track{display:flex;gap:0;width:max-content;animation:marquee 42s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee__item{
    display:flex;align-items:center;padding:0 34px;height:44px;white-space:nowrap;
    font-size:17px;color:rgba(255,255,255,.62);border-right:1px solid rgba(255,255,255,.08);
    transition:color .3s;
}
.marquee__item:hover{color:#fff}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- BENTO ---------- */
.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;grid-auto-rows:1fr}
.bento__card{
    grid-column:span 1;background:#fff;border:1px solid var(--line);border-radius:var(--r);
    padding:30px;display:flex;flex-direction:column;min-height:250px;
    transition:transform .45s var(--ease),box-shadow .45s,border-color .3s;
    position:relative;overflow:hidden;
}
.bento__card::after{
    content:"";position:absolute;inset:auto 0 0 0;height:2px;
    background:linear-gradient(90deg,var(--gold),var(--blue));opacity:0;transition:opacity .4s;
}
.bento__card:hover{transform:translateY(-6px);box-shadow:0 26px 50px rgba(15,25,45,.10);border-color:transparent}
.bento__card:hover::after{opacity:1}
.bento__card--big{grid-column:span 2;grid-row:span 2;background:var(--ink);color:#fff;border-color:transparent;padding:38px}
.bento__card--big h3{font-size:30px}
.bento__card--big p{color:rgba(255,255,255,.68)}
.bento__card--big .bento__list li{color:rgba(255,255,255,.8);border-color:rgba(255,255,255,.12)}
.bento__card--big .bento__tag{background:rgba(200,169,106,.16);color:var(--gold-2)}
.bento__card--big .bento__more{color:var(--gold)}
.bento__wm{
    position:absolute;right:-10px;top:52px;font-size:78px;line-height:.9;font-weight:800;
    letter-spacing:-.04em;color:rgba(255,255,255,.045);pointer-events:none;user-select:none;
}
.bento__card--big::before{
    content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;
    background:radial-gradient(circle,rgba(200,169,106,.22),transparent 68%);pointer-events:none;
}
.bento__top{display:flex;justify-content:space-between;align-items:center;margin-bottom:auto}
.bento__tag{font-size:11px;letter-spacing:.1em;padding:5px 10px;border-radius:999px;background:var(--soft);color:var(--muted)}
.bento__en{font-size:10px;letter-spacing:.22em;color:#B7C0CF}
.bento__card h3{font-size:21px;margin:18px 0 10px}
.bento__card p{font-size:14.5px;color:var(--muted);line-height:1.8}
.bento__list{margin:16px 0 0;display:flex;flex-direction:column;gap:7px}
.bento__list li{font-size:13px;color:var(--muted);padding-left:14px;position:relative;border-bottom:1px solid var(--line);padding-bottom:7px}
.bento__list li:last-child{border-bottom:0}
.bento__list li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--gold)}
.bento__more{margin-top:18px;font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:8px;color:var(--ink)}
.bento--3{grid-template-columns:repeat(3,1fr)}

/* ---------- 案例轨道 ---------- */
.cases-rail{
    display:flex;gap:22px;overflow-x:auto;padding:0 max(32px,calc((100vw - var(--wrap))/2)) 24px;
    scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.cases-rail::-webkit-scrollbar{height:4px}
.cases-rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.2);border-radius:4px}
.case-card{
    flex:0 0 420px;scroll-snap-align:start;background:rgba(255,255,255,.035);
    border:1px solid rgba(255,255,255,.09);border-radius:16px;overflow:hidden;
    transition:transform .5s var(--ease),background .4s,border-color .4s;
}
.case-card:hover{transform:translateY(-8px);background:rgba(255,255,255,.06);border-color:rgba(200,169,106,.4)}
.case-card__shot{height:250px;background-size:cover;background-position:top center;transition:transform .8s var(--ease)}
.case-card:hover .case-card__shot{transform:scale(1.04)}
.case-card__body{padding:24px 26px 28px}
.case-card__meta{display:flex;justify-content:space-between;font-size:12px;color:var(--gold);letter-spacing:.06em;margin-bottom:12px}
.case-card__body h3{font-size:20px;margin-bottom:8px}
.case-card__body p{font-size:13.5px;color:rgba(255,255,255,.6);line-height:1.8}
.case-card__tags{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}
.case-card__tags em{font-style:normal;font-size:11.5px;padding:4px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.72)}
.case-card--more{flex:0 0 300px;display:flex;align-items:center;justify-content:center;border-style:dashed}
.case-card--more div{text-align:center;display:flex;flex-direction:column;gap:8px;align-items:center}
.case-card--more b{font-size:17px;color:var(--gold)}
.case-card--more span{font-size:12.5px;color:rgba(255,255,255,.5)}

/* ---------- SPLIT / WHY ---------- */
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:start}
.split__left h2{font-size:clamp(28px,3.2vw,42px);margin-bottom:20px}
.split__lead{color:var(--muted);line-height:1.9;margin-bottom:30px}
.split__right{display:flex;flex-direction:column}
.why-item{display:flex;gap:24px;padding:26px 0;border-bottom:1px solid var(--line)}
.why-item:first-child{padding-top:0}
.why-item__no{font-size:12px;letter-spacing:.12em;color:var(--gold);padding-top:5px;flex:none}
.why-item h3{font-size:19px;margin-bottom:8px}
.why-item p{color:var(--muted);font-size:14.5px;line-height:1.85}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid var(--line)}
.flow__item{padding:34px 26px 8px;border-right:1px solid var(--line);position:relative}
.flow__item:last-child{border-right:0}
.flow__item::before{content:"";position:absolute;top:-4px;left:26px;width:7px;height:7px;border-radius:50%;background:var(--gold)}
.flow__no{font-size:12px;letter-spacing:.14em;color:var(--muted)}
.flow__item h3{font-size:18px;margin:12px 0 10px}
.flow__item p{font-size:13.5px;color:var(--muted);line-height:1.8}

/* ---------- 行业 ---------- */
.ind-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ind{
    display:block;padding:30px;border:1px solid var(--line);border-radius:var(--r);
    transition:border-color .35s,transform .45s var(--ease),box-shadow .4s;background:#fff;
}
.ind:hover{transform:translateY(-5px);border-color:var(--ink);box-shadow:0 22px 44px rgba(15,25,45,.08)}
.ind__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.ind__head h2,.ind__head h3{font-size:22px}
.ind p{font-size:14.5px;color:var(--muted);line-height:1.8}
.ind__pain{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted)}
.ind__pain b{display:block;font-size:11px;letter-spacing:.12em;color:var(--gold);margin-bottom:6px}
.ind-grid--wide{grid-template-columns:repeat(2,1fr);gap:24px}
.ind--wide{padding:38px}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item summary{
    display:flex;justify-content:space-between;align-items:center;gap:24px;
    padding:24px 0;cursor:pointer;list-style:none;font-size:17.5px;font-weight:600;
    transition:color .25s;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary:hover{color:var(--blue)}
.faq__item summary i{width:20px;height:20px;position:relative;flex:none}
.faq__item summary i::before,.faq__item summary i::after{content:"";position:absolute;background:var(--muted);transition:transform .3s,background .3s}
.faq__item summary i::before{left:0;top:9px;width:20px;height:1.5px}
.faq__item summary i::after{left:9px;top:0;width:1.5px;height:20px}
.faq__item[open] summary i::after{transform:rotate(90deg);opacity:0}
.faq__a{padding:0 40px 26px 0;color:var(--muted);font-size:15px;line-height:1.9;animation:fadeUp .4s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ---------- 新闻 ---------- */
.news-list{border-top:1px solid var(--line)}
.news-row{
    display:grid;grid-template-columns:120px 1fr 24px;gap:26px;align-items:start;
    padding:26px 0;border-bottom:1px solid var(--line);transition:padding .3s,background .3s;
}
.news-row:hover{padding-left:10px}
.news-row time{font-size:13px;color:var(--muted);letter-spacing:.04em;padding-top:4px}
.news-row em{font-style:normal;font-size:11.5px;letter-spacing:.1em;color:var(--gold)}
.news-row h2,.news-row h3{font-size:19px;margin:8px 0 6px;transition:color .25s}
.news-row:hover h2,.news-row:hover h3{color:var(--blue)}
.news-row p{font-size:14px;color:var(--muted);line-height:1.8}
.news-row .arw{margin-top:8px;color:var(--muted)}

/* ---------- 页头（内页） ---------- */
.phead{background:var(--ink);color:#fff;padding:150px 0 80px;position:relative;overflow:hidden}
.phead::before{
    content:"";position:absolute;right:-200px;top:-260px;width:760px;height:760px;border-radius:50%;
    background:radial-gradient(circle,rgba(46,107,255,.22),transparent 62%);
}
.phead .wrap{position:relative}
.phead h1{font-size:clamp(30px,4vw,54px);line-height:1.2;margin:18px 0 20px}
.phead__lead{max-width:680px;color:rgba(255,255,255,.7);font-size:16.5px;line-height:1.9}
.phead__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.phead__points{padding:26px;border:1px solid rgba(255,255,255,.14);border-radius:14px;background:rgba(255,255,255,.03)}
.phead__points li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:14.5px;color:rgba(255,255,255,.82)}
.phead__points li:last-child{border-bottom:0}
.phead__points li::before{content:"—";color:var(--gold);margin-right:10px}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.5);margin-bottom:10px}
.crumb a:hover{color:var(--gold)}
.crumb em{font-style:normal;color:rgba(255,255,255,.8)}
.phead__shot{height:280px;border-radius:14px;background-size:cover;background-position:top center;border:1px solid rgba(255,255,255,.14)}
.phead__pain{padding:26px;border:1px solid rgba(255,255,255,.14);border-radius:14px;background:rgba(255,255,255,.03)}
.phead__pain b{display:block;font-size:11.5px;letter-spacing:.12em;color:var(--gold);margin-bottom:10px}
.phead__pain p{font-size:14.5px;color:rgba(255,255,255,.8)}
.case-tags{display:flex;gap:8px;margin-top:22px;flex-wrap:wrap}
.case-tags em{font-style:normal;font-size:12px;padding:5px 12px;border-radius:999px;border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.8)}
.area-kw{display:flex;flex-wrap:wrap;gap:10px}
.area-kw li{font-size:13px;padding:8px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.78)}

/* ---------- 服务列表 ---------- */
.svc-list{border-top:1px solid var(--line)}
.svc-row{display:grid;grid-template-columns:70px 1fr 24px;gap:26px;padding:38px 0;border-bottom:1px solid var(--line);transition:padding .35s,background .3s;align-items:start}
.svc-row:hover{padding-left:12px}
.svc-row__no{font-size:12px;letter-spacing:.14em;color:var(--gold);padding-top:8px}
.svc-row__title{display:flex;align-items:baseline;gap:14px;margin-bottom:10px}
.svc-row__title h2{font-size:26px}
.svc-row__title em{font-style:normal;font-size:11px;letter-spacing:.2em;color:#AEB7C6}
.svc-row p{color:var(--muted);font-size:15px;line-height:1.85;max-width:780px}
.svc-row ul{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.svc-row ul li{font-size:12.5px;padding:5px 12px;border-radius:999px;background:var(--soft);color:var(--muted)}
.svc-row:hover .arw{color:var(--ink)}

/* ---------- 案例网格 ---------- */
.filter{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px}
.filter__btn{padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13.5px;color:var(--muted);transition:all .25s}
.filter__btn:hover{border-color:var(--ink);color:var(--ink)}
.filter__btn.is-on{background:var(--ink);border-color:var(--ink);color:#fff}
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.case-grid--full{grid-template-columns:repeat(3,1fr);gap:28px}
.case-mini{display:block;transition:transform .45s var(--ease)}
.case-mini:hover{transform:translateY(-6px)}
.case-mini__shot{height:250px;border-radius:12px;background-size:cover;background-position:top center;border:1px solid var(--line);position:relative;overflow:hidden}
.case-mini__shot::after{content:"";position:absolute;inset:0;background:rgba(10,15,26,0);transition:background .4s}
.case-mini:hover .case-mini__shot::after{background:rgba(10,15,26,.12)}
.case-mini__year{position:absolute;left:12px;bottom:12px;font-size:11px;color:#fff;background:rgba(10,15,26,.6);padding:3px 9px;border-radius:999px;backdrop-filter:blur(6px)}
.case-mini__body{padding:18px 2px 0}
.case-mini em{font-style:normal;font-size:11.5px;letter-spacing:.1em;color:var(--gold)}
.case-mini h3{font-size:19px;margin:8px 0 6px}
.case-mini p{font-size:13.5px;color:var(--muted);line-height:1.8}

/* ---------- 关于 ---------- */
.about-nums{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14);border-radius:14px;overflow:hidden}
.about-nums li{background:var(--ink);padding:26px;display:flex;flex-direction:column;gap:4px}
.about-nums b{font-size:32px;color:var(--gold)}
.about-nums span{font-size:12.5px;color:rgba(255,255,255,.6)}
.about-logo{margin:0 0 44px;padding:26px 30px;border:1px solid var(--line);border-radius:14px;background:#fff;display:inline-block}
.about-logo img{max-width:320px;height:auto}
.about-block{margin-bottom:52px}
.about-block h2{font-size:26px;margin-bottom:20px;padding-left:16px;border-left:2px solid var(--gold)}
.about-block p{color:var(--muted);font-size:16px;line-height:2;margin-bottom:18px}
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.1)}
.values__item{background:var(--ink);padding:34px 28px}
.values__k{font-size:40px;font-weight:700;color:rgba(200,169,106,.35);line-height:1;display:block;margin-bottom:18px}
.values__item h3{font-size:19px;margin-bottom:10px}
.values__item p{font-size:13.5px;color:rgba(255,255,255,.6);line-height:1.85}
.client-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.client-grid span{background:#fff;padding:26px 20px;text-align:center;font-size:14.5px;color:var(--muted);transition:color .3s,background .3s}
.client-grid span:hover{background:var(--ink);color:#fff}

/* ---------- 正文 ---------- */
.prose{font-size:16.5px;line-height:2;color:#2A3242}
.prose p{margin-bottom:22px}
.prose h2{font-size:24px;margin:40px 0 18px;padding-left:14px;border-left:2px solid var(--gold)}
.prose h3{font-size:19px;margin:30px 0 14px}
.prose a{color:var(--blue);border-bottom:1px solid rgba(46,107,255,.3)}
.prose ul{margin:0 0 24px;padding-left:0}
.prose li{padding-left:18px;position:relative;margin-bottom:10px}
.prose li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--gold)}
.prose img{border-radius:10px;margin:24px 0}

/* ---------- 文章 ---------- */
.article{padding:130px 0 100px}
.article__head{margin:20px 0 44px;padding-bottom:32px;border-bottom:1px solid var(--line)}
.article__meta{display:flex;gap:16px;align-items:center;font-size:12.5px;color:var(--muted);margin-bottom:18px}
.article__meta em{font-style:normal;color:var(--gold);letter-spacing:.1em}
.article__head h1{font-size:clamp(26px,3.4vw,40px);line-height:1.3}
.article__sum{margin-top:18px;font-size:16.5px;color:var(--muted);line-height:1.9;padding-left:16px;border-left:2px solid var(--line)}
.article__foot{display:flex;gap:14px;margin-top:50px;flex-wrap:wrap}

/* ---------- 案例详情 ---------- */
.case-result{background:var(--soft);border-radius:14px;padding:36px;margin-bottom:32px}
.case-result h2{font-size:18px;margin-bottom:12px;color:var(--gold);letter-spacing:.04em}
.case-result p{font-size:16.5px;line-height:1.9}
.case-next{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:50px;align-items:start}
.form{background:var(--soft);border-radius:16px;padding:38px}
.form h2{font-size:22px;margin-bottom:26px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form label{display:block;font-size:13px;color:var(--muted);margin-bottom:16px}
.form label.full{grid-column:1/-1}
.form input,.form select,.form textarea{
    width:100%;margin-top:8px;padding:13px 14px;border:1px solid var(--line);border-radius:10px;
    background:#fff;font-size:15px;color:var(--text);transition:border-color .25s,box-shadow .25s;
    font-family:inherit;
}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(46,107,255,.12)}
.form textarea{resize:vertical}
.form .btn{margin-top:8px}
.form__tip{font-size:12px;color:#98A1B0;margin-top:14px}
.form__ok{margin-top:16px;padding:12px 16px;border-radius:10px;background:rgba(46,107,255,.08);color:var(--blue);font-size:14px}
.contact-side{display:flex;flex-direction:column;gap:16px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}
.contact-card h3{font-size:12px;letter-spacing:.14em;color:var(--gold);margin-bottom:10px;font-weight:600}
.contact-card h3.mt{margin-top:20px}
.contact-card p{font-size:14px;color:var(--muted);line-height:1.85}
.contact-card p a:hover{color:var(--blue)}
.contact-tel{display:block;font-size:26px;font-weight:700;letter-spacing:.01em;margin-bottom:10px}
.contact-tel:hover{color:var(--blue)}

/* ---------- 地域页 ---------- */
.area-links{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.area-links a{display:grid;grid-template-columns:1fr auto;gap:4px 16px;padding:22px 24px;border:1px solid var(--line);border-radius:12px;transition:border-color .3s,transform .35s}
.area-links a:hover{border-color:var(--ink);transform:translateY(-3px)}
.area-links b{font-size:17px}
.area-links span{grid-column:1;font-size:13px;color:var(--muted)}
.area-links .arw{grid-row:1/3;align-self:center;color:var(--muted)}

/* ---------- 404 ---------- */
.phead--404{padding:200px 0 140px}
.err-code{font-size:clamp(80px,14vw,160px);font-weight:800;line-height:1;letter-spacing:-.04em;
    background:linear-gradient(120deg,var(--gold),rgba(255,255,255,.25));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- 页脚 ---------- */
.foot{background:var(--ink);color:#fff}
.foot__cta{background:linear-gradient(110deg,#111A2B,#0A0F1A 60%);border-bottom:1px solid rgba(255,255,255,.08)}
.foot__cta-in{display:flex;justify-content:space-between;align-items:center;gap:40px;padding:64px 0}
.foot__cta h2{font-size:clamp(22px,2.6vw,34px);margin-bottom:10px}
.foot__cta p{color:rgba(255,255,255,.55);font-size:14.5px}
.foot__cta-btns{display:flex;gap:12px;flex:none;flex-wrap:wrap}
.foot__main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:50px;padding:70px 0 54px}
.foot__logo{display:flex;align-items:center;gap:12px;font-size:24px;font-weight:700;letter-spacing:.03em;margin-bottom:12px}
.foot__logo img{border-radius:9px;flex:none}
.foot__logo span{color:var(--gold);font-weight:400}
.foot__slogan{font-size:13px;letter-spacing:.24em;color:var(--gold);margin-bottom:18px}
.foot__desc{font-size:13.5px;color:rgba(255,255,255,.5);line-height:1.9}
.foot__tel{margin-top:26px}
.foot__tel span{display:block;font-size:11px;letter-spacing:.14em;color:rgba(255,255,255,.4);margin-bottom:6px}
.foot__tel b{font-size:24px;letter-spacing:.02em}
.foot__col h3{font-size:12px;letter-spacing:.16em;color:rgba(255,255,255,.4);margin-bottom:18px;font-weight:600}
.foot__col h3.mt{margin-top:26px}
.foot__col a{display:block;font-size:14px;color:rgba(255,255,255,.72);padding:6px 0;transition:color .25s,padding-left .25s}
.foot__col a:hover{color:var(--gold);padding-left:4px}
.foot__col--contact p{font-size:13px;color:rgba(255,255,255,.6);line-height:1.7;margin-bottom:14px}
.foot__col--contact p b{display:block;font-size:11px;letter-spacing:.12em;color:rgba(255,255,255,.35);margin-bottom:3px}
.foot__bar{border-top:1px solid rgba(255,255,255,.08)}
.foot__bar-in{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 0;font-size:12.5px;color:rgba(255,255,255,.4);flex-wrap:wrap}
.foot__lic,.foot__links{display:flex;gap:18px}
.foot__bar-in a:hover{color:#fff}

/* ---------- 浮动 CTA ---------- */
.float-cta{
    position:fixed;right:22px;bottom:26px;z-index:90;
    background:linear-gradient(120deg,var(--gold),var(--gold-2));color:#12160f;
    padding:13px 20px;border-radius:999px;font-size:14px;font-weight:600;
    box-shadow:0 14px 34px rgba(0,0,0,.22);transition:transform .35s var(--ease);
}
.float-cta:hover{transform:translateY(-3px)}

/* ---------- 案例封面（排版卡，非截图） ---------- */
.tone-1{--a:#0C1730;--b:#2E6BFF}
.tone-2{--a:#1B1230;--b:#7A4BFF}
.tone-3{--a:#08262B;--b:#0FA3A3}
.tone-4{--a:#2A1B10;--b:#C8A96A}
.tone-5{--a:#141B26;--b:#5B8CFF}
.tone-6{--a:#241428;--b:#A855F7}
.case-card__shot,.case-mini__shot,.phead__shot,.deck__shot{
    position:relative;overflow:hidden;
    background:linear-gradient(135deg,var(--a,#101826) 0%,var(--b,#2E6BFF) 130%);
}
.case-card__shot::before,.case-mini__shot::before,.phead__shot::before,.deck__shot::before{
    content:"";position:absolute;inset:0;
    background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
    background-size:46px 46px;opacity:.7;
    mask-image:radial-gradient(circle at 70% 20%,#000,transparent 78%);
}
.mono{
    position:absolute;left:20px;bottom:8px;line-height:.9;
    font-size:58px;font-weight:800;letter-spacing:-.04em;text-transform:uppercase;
    color:rgba(255,255,255,.22);
}
.mono--lg{font-size:110px;bottom:10px;left:auto;right:24px;color:rgba(255,255,255,.16)}
.shot__label{position:absolute;right:16px;top:16px;font-size:11px;letter-spacing:.12em;color:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.22);padding:4px 10px;border-radius:999px;background:rgba(0,0,0,.16)}

/* ---------- 滚动入场 ---------- */
html.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
html.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none;transition:none}
    .marquee__track,.hero__scroll span{animation:none}
}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width:1400px){
    .nav__tel{display:none}
}
@media (max-width:1180px){
    .hero__in{gap:36px}
    .bento{grid-template-columns:repeat(2,1fr)}
    .bento__card--big{grid-column:span 2;grid-row:auto}
    .split{grid-template-columns:1fr;gap:44px}
    .foot__main{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
    .foot__col--contact{grid-column:1/-1}
}
@media (max-width:1024px){
    .wrap,.wrap--narrow{width:calc(100% - 48px)}
    .nav__in{width:calc(100% - 48px)}
    .menu,.nav__tel{display:none}
    .burger{display:block}
    body.menu-open{overflow:hidden}
    body.menu-open .menu{
        display:flex;flex-direction:column;align-items:stretch;gap:0;
        position:fixed;inset:72px 0 0 0;background:#0A0F1A;
        padding:24px;overflow-y:auto;z-index:99;
    }
    body.menu-open .menu__item>a{padding:15px 6px;font-size:17px;border-bottom:1px solid rgba(255,255,255,.08)}
    body.menu-open .mega{position:static;width:auto;opacity:1;visibility:visible;transform:none;background:none;box-shadow:none;padding:0 0 12px}
    body.menu-open .mega__grid{grid-template-columns:1fr}
    body.menu-open .mega__card{padding:10px 6px}
    body.menu-open .mega__card b{color:#fff;font-weight:500;font-size:15px}
    body.menu-open .mega__card span{color:rgba(255,255,255,.45)}
    .hero{padding:120px 0 70px}
    .hero__in{grid-template-columns:1fr}
    .hero__visual{height:380px;margin-top:20px}
    .deck__card{left:0;width:88%}
    .phead__grid{grid-template-columns:1fr;gap:32px}
    .flow{grid-template-columns:repeat(2,1fr)}
    .flow__item{border-bottom:1px solid var(--line)}
    .ind-grid,.case-grid,.case-grid--full{grid-template-columns:repeat(2,1fr)}
    .contact-grid{grid-template-columns:1fr}
    .values{grid-template-columns:repeat(2,1fr)}
    .client-grid{grid-template-columns:repeat(3,1fr)}
    .sec{padding:80px 0}
    .foot__cta-in{flex-direction:column;align-items:flex-start;padding:48px 0}
}
@media (max-width:768px){
    body{font-size:15.5px}
    .hero__video{display:none}
    .wrap,.wrap--narrow{width:calc(100% - 36px)}
    .nav__in{width:calc(100% - 36px);height:70px}
    .brand__sub{display:none}
    .brand__txt{font-size:18px}
    .nav__right .btn{display:none}
    .hero h1{font-size:clamp(30px,8vw,42px)}
    .hero__lead{font-size:15.5px}
    .hero__stats{gap:24px;margin-top:36px}
    .hero__stats b{font-size:26px}
    .hero__visual{height:330px}
    .deck__card .deck__shot{height:180px}
    .sec__head--row{flex-direction:column;align-items:flex-start}
    .sec__head{margin-bottom:36px}
    .bento,.bento--3{grid-template-columns:1fr}
    .bento__card--big{grid-column:auto;padding:28px}
    .bento__card--big h3{font-size:24px}
    .cases-rail{padding:0 18px 18px;gap:16px}
    .case-card{flex:0 0 84%}
    .case-card__shot{height:190px}
    .phead{padding:110px 0 60px}
    .phead h1{font-size:clamp(26px,7vw,36px)}
    .flow{grid-template-columns:1fr}
    .flow__item{border-right:0;padding:24px 0}
    .flow__item::before{left:0}
    .flow__item{padding-left:20px}
    .ind-grid,.ind-grid--wide,.case-grid,.case-grid--full,.area-links{grid-template-columns:1fr}
    .values{grid-template-columns:1fr}
    .client-grid{grid-template-columns:repeat(2,1fr)}
    .form{padding:24px}
    .form__row{grid-template-columns:1fr}
    .news-row{grid-template-columns:1fr;gap:8px}
    .news-row time{order:-1}
    .news-row .arw{display:none}
    .svc-row{grid-template-columns:1fr;gap:10px}
    .svc-row__no{padding-top:0}
    .svc-row .arw{display:none}
    .foot__main{grid-template-columns:1fr 1fr;gap:30px;padding:48px 0 36px}
    .foot__col--brand{grid-column:1/-1}
    .foot__bar-in{flex-direction:column;align-items:flex-start;gap:8px}
    .article{padding:100px 0 70px}
    .float-cta{right:14px;bottom:14px;padding:11px 16px;font-size:13px}
}
@media (max-width:480px){
    .hero__btns .btn{flex:1;justify-content:center}
    .foot__cta-btns{width:100%}
    .foot__cta-btns .btn{flex:1;justify-content:center}
    .about-nums{grid-template-columns:1fr}
    .case-tags em{font-size:11px}
}