/* ============================================================
   广东运天和工程有限公司 · 官网 V1.0
   视觉基准：《运天和公司画册_2026版》37 页
   母题：深藏蓝 / 暖白 / 金线 / 深度刻度 / 章节编号
   ============================================================ */
:root{
  --navy:#28244B;
  --navy-deep:#1B1838;
  --navy-soft:#3A355E;
  --navy-light:#4A4570;
  --paper:#FDFBFA;
  --paper-2:#F5F2EE;
  --gold:#E7B479;
  --gold-deep:#C0986F;
  --gold-pale:#F2DFC2;
  --ink:#25294A;
  --body:#4A4E63;
  --muted:#7C8095;
  --line:#E6E2E9;
  --line-dark:rgba(255,255,255,.16);
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --serif:"Source Han Serif SC","Noto Serif SC","Songti SC","STSong","SimSun",serif;
  --wrap:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);color:var(--body);background:var(--paper);line-height:1.85;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
table{border-collapse:collapse;width:100%}
::selection{background:var(--gold);color:var(--navy-deep)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 48px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 通用排版 ---------- */
.eyebrow{font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--gold-deep);font-weight:600}
.eyebrow--light{color:var(--gold)}
.sec-head{margin-bottom:56px;position:relative}
.sec-head__no{font-family:var(--serif);font-size:13px;letter-spacing:.2em;color:var(--gold-deep);display:flex;align-items:center;gap:16px;margin-bottom:22px}
.sec-head__no::after{content:"";height:1px;width:60px;background:var(--gold)}
.sec-head h2{font-family:var(--serif);font-size:clamp(30px,3.6vw,46px);line-height:1.35;color:var(--ink);font-weight:600;letter-spacing:.02em}
.sec-head p{margin-top:18px;max-width:760px;font-size:15.5px;color:var(--body)}
.sec-head--light h2{color:#fff}
.sec-head--light p{color:#C9C6DE}
.sec-head--light .sec-head__no{color:var(--gold)}
.gold-bar{width:44px;height:2px;background:var(--gold);margin:24px 0 0}
.section{padding:110px 0;position:relative}
.section--warm{background:var(--paper-2)}
.section--dark{background:var(--navy);color:#D5D2E4}
.section--dark::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 15%,rgba(231,180,121,.09),transparent 45%);pointer-events:none}
.section--dark .container{position:relative}
.section--tight{padding:76px 0}
.center{text-align:center}
.center .sec-head__no{justify-content:center}
.center .gold-bar{margin-left:auto;margin-right:auto}

/* 左金线装饰（画册母题） */
.edge-rule{position:absolute;left:0;top:0;bottom:0;width:1px;background:linear-gradient(to bottom,transparent,var(--gold) 18%,var(--gold) 82%,transparent);opacity:.55}

/* ---------- 导航 ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:60;height:84px;display:flex;align-items:center;transition:background .35s var(--ease),box-shadow .35s var(--ease),height .35s var(--ease);border-bottom:1px solid transparent}
.nav.is-solid{background:rgba(27,24,56,.96);box-shadow:0 8px 30px rgba(20,18,40,.18);height:72px;backdrop-filter:blur(10px)}
.nav__inner{max-width:var(--wrap);margin:0 auto;padding:0 48px;width:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:14px;color:#fff;flex-shrink:0}
.brand__mark{width:30px;height:32px;flex:none}
.brand__txt{display:flex;flex-direction:column;line-height:1.25}
.brand__cn{font-family:var(--serif);font-size:18px;letter-spacing:.08em;color:#fff;font-weight:600}
.brand__en{font-size:9px;letter-spacing:.22em;color:var(--gold);margin-top:3px}
.nav__menu{display:flex;align-items:center;gap:30px}
.nav__menu a{font-size:13.5px;color:rgba(255,255,255,.82);letter-spacing:.04em;position:relative;padding:8px 0;transition:color .25s}
.nav__menu a::after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:1px;background:var(--gold);transition:right .3s var(--ease)}
.nav__menu a:hover,.nav__menu a.is-active{color:var(--gold)}
.nav__menu a:hover::after,.nav__menu a.is-active::after{right:0}
.nav__tel{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--gold);border:1px solid rgba(231,180,121,.5);padding:9px 18px;letter-spacing:.05em;transition:background .25s,color .25s;white-space:nowrap}
.nav__tel:hover{background:var(--gold);color:var(--navy-deep)}
.nav__burger{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;gap:6px;padding:8px;margin-left:auto}
.nav__burger span{display:block;height:1.5px;background:#fff;transition:transform .3s,opacity .3s}
.nav.is-open .nav__burger span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav.is-open .nav__burger span:nth-child(2){opacity:0}
.nav.is-open .nav__burger span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:760px;display:flex;flex-direction:column;align-items:stretch;color:#fff;overflow:hidden;
  background:linear-gradient(105deg,rgba(27,24,56,.97) 0%,rgba(40,36,75,.92) 48%,rgba(40,36,75,.62) 100%),url('../img/hero-bg.jpg') center right/cover no-repeat}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(to bottom,rgba(27,24,56,.35),transparent 30%,rgba(27,24,56,.55));pointer-events:none}
.hero__inner{position:relative;z-index:2;width:100%;flex:1;display:flex;flex-direction:column;justify-content:center;padding-top:120px;padding-bottom:60px}
.hero__rule{position:absolute;left:24px;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,transparent,var(--gold) 12%,var(--gold) 88%,transparent);opacity:.95}
.hero__eyebrow{font-size:11px;letter-spacing:.34em;color:var(--gold);text-transform:uppercase;margin-bottom:38px}
.hero h1{font-family:var(--serif);font-size:clamp(46px,6.4vw,88px);line-height:1.26;font-weight:600;letter-spacing:.06em;color:#fff;text-shadow:0 4px 40px rgba(0,0,0,.25)}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero__sub{font-size:clamp(15px,1.5vw,19px);letter-spacing:.18em;color:#EDE7DA;margin-top:30px}
.hero__line{width:64px;height:2px;background:var(--gold);margin:38px 0 26px}
.hero__desc{max-width:560px;font-size:15px;color:#C6C2D8;line-height:2}
.hero__actions{display:flex;gap:16px;margin-top:44px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 30px;font-size:13.5px;letter-spacing:.08em;border:1px solid var(--gold);color:var(--gold);transition:background .28s,color .28s,transform .28s}
.btn:hover{background:var(--gold);color:var(--navy-deep);transform:translateY(-2px)}
.btn--gold{background:var(--gold);color:var(--navy-deep);font-weight:600}
.btn--gold:hover{background:#F0C895;color:var(--navy-deep)}
.btn--ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.1);color:#fff}
/* 深度刻度 */
.depth{position:absolute;right:48px;top:50%;transform:translateY(-50%);z-index:2;display:flex;flex-direction:column;gap:0;font-size:10px;letter-spacing:.16em;color:rgba(255,255,255,.42);text-align:right}
.depth span{height:46px;display:flex;align-items:center;justify-content:flex-end;gap:12px;position:relative}
.depth span::after{content:"";width:26px;height:1px;background:rgba(231,180,121,.45)}
.depth span:first-child{color:var(--gold)}
.depth__label{position:absolute;right:0;bottom:-32px;font-size:9px;letter-spacing:.22em;color:rgba(231,180,121,.75);white-space:nowrap}
/* Hero 底部数据条 */
.hero__stats{position:relative;left:auto;right:auto;bottom:auto;z-index:3;background:rgba(21,19,42,.72);backdrop-filter:blur(8px);border-top:1px solid rgba(231,180,121,.25)}
.hero__stats .wrap{display:grid;grid-template-columns:repeat(5,1fr)}
.hero__stat{padding:26px 18px;border-right:1px solid rgba(255,255,255,.09)}
.hero__stat:last-child{border-right:0}
.hero__stat b{font-family:var(--serif);font-size:29px;font-weight:600;color:var(--gold);line-height:1.2;display:block}
.hero__stat small{display:block;font-size:11.5px;letter-spacing:.1em;color:#B7B3CB;margin-top:7px}
.scroll-hint{position:absolute;bottom:150px;right:52px;z-index:3;writing-mode:vertical-rl;font-size:10px;letter-spacing:.3em;color:rgba(255,255,255,.55);display:flex;align-items:center;gap:12px}
.scroll-hint::after{content:"";width:1px;height:46px;background:rgba(231,180,121,.6)}

/* ---------- 数据矩阵 ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:56px}
.stats-grid__cell{background:var(--paper);padding:30px 26px;transition:background .3s}
.stats-grid__cell:hover{background:#fff}
.stats-grid__cell b{font-family:var(--serif);font-size:36px;color:var(--ink);font-weight:600;letter-spacing:.01em;display:block;line-height:1.2}
.stats-grid__cell small{font-size:12px;color:var(--muted);letter-spacing:.08em;margin-top:8px;display:block}
.section--warm .stats-grid__cell{background:var(--paper-2)}
.section--warm .stats-grid__cell:hover{background:#fff}

/* ---------- 两栏 / 名片 ---------- */
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:start}
.prose p{font-size:15px;line-height:2.05;margin-bottom:20px;color:var(--body)}
.prose p strong{color:var(--ink);font-weight:600}
.prose .lead{font-family:var(--serif);font-size:19px;color:var(--ink);line-height:1.8;margin-bottom:28px}
.quote{margin-top:34px;padding:22px 28px;border-left:2px solid var(--gold);background:rgba(231,180,121,.09);font-family:var(--serif);font-size:17px;color:var(--ink);line-height:1.9}
.idcard{border:1px solid var(--line);background:#fff;box-shadow:0 18px 50px rgba(40,36,75,.06)}
.idcard__head{background:var(--navy);padding:26px 30px;display:flex;align-items:center;gap:16px}
.idcard__head img{width:28px;height:30px}
.idcard__head span{font-family:var(--serif);font-size:17px;color:#fff;letter-spacing:.08em}
.idcard__row{display:grid;grid-template-columns:100px 1fr;gap:16px;padding:15px 30px;border-bottom:1px solid var(--line);font-size:13.5px;align-items:baseline}
.idcard__row:last-child{border-bottom:0}
.idcard__row dt{color:var(--muted);letter-spacing:.05em;flex:none}
.idcard__row dd{color:var(--ink);line-height:1.75}
.idcard__foot{padding:14px 30px;background:var(--paper-2);font-size:11.5px;color:var(--muted);letter-spacing:.05em}

/* ---------- 文化三卡 ---------- */
.culture{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:64px}
.culture__card{border:1px solid var(--line);padding:36px 32px;background:#fff;position:relative;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.culture__card:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(40,36,75,.08)}
.culture__card::before{content:"";position:absolute;left:-1px;top:-1px;width:3px;height:52px;background:var(--gold)}
.culture__card h3{font-family:var(--serif);font-size:26px;color:var(--ink);font-weight:600;margin-bottom:16px;letter-spacing:.06em}
.culture__card p{font-size:13.5px;line-height:1.95;color:var(--body)}
.culture__card .en{font-size:10px;letter-spacing:.24em;color:var(--gold-deep);text-transform:uppercase;margin-bottom:16px;display:block}

/* ---------- 战略转身 ---------- */
.shift{display:grid;grid-template-columns:1fr 64px 1fr;gap:0;align-items:stretch;margin-top:58px}
.shift__box{border:1px solid var(--line);padding:34px 32px;background:#fff}
.shift__box--after{border-color:var(--gold);background:linear-gradient(160deg,#fff,#FBF5EC)}
.shift__arrow{display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:30px;color:var(--gold)}
.shift__yr{font-size:11px;letter-spacing:.24em;color:var(--gold-deep);margin-bottom:14px}
.shift__box h3{font-family:var(--serif);font-size:24px;color:var(--ink);margin-bottom:18px;font-weight:600}
.shift__box ul{list-style:none}
.shift__box li{font-size:13.5px;padding:7px 0 7px 18px;position:relative;color:var(--body)}
.shift__box li::before{content:"";position:absolute;left:0;top:16px;width:5px;height:5px;background:var(--gold);border-radius:50%}
.shift__note{margin-top:24px;font-size:13px;color:var(--muted);line-height:1.9}

/* ---------- 工艺 / 能力卡 ---------- */
.crafts{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:12px}
.craft{border:1px solid var(--line);background:#fff;padding:40px 34px;position:relative;overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.craft:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(40,36,75,.09)}
.craft__no{font-family:var(--serif);font-size:44px;color:rgba(231,180,121,.35);line-height:1;position:absolute;right:26px;top:24px}
.craft h3{font-family:var(--serif);font-size:25px;color:var(--ink);font-weight:600;margin-bottom:8px}
.craft .en{font-size:10px;letter-spacing:.2em;color:var(--gold-deep);text-transform:uppercase;display:block;margin-bottom:22px}
.craft p{font-size:13.5px;line-height:1.95}
.craft__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.craft__tags span{font-size:11.5px;padding:5px 12px;border:1px solid var(--line);color:var(--muted);letter-spacing:.04em}

/* 地层剖面（画册 p28 母题） */
.strata-wrap{margin-top:56px;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.strata{border:1px solid var(--line-dark);padding:28px 26px;background:rgba(255,255,255,.035)}
.strata h4{font-family:var(--serif);font-size:19px;color:var(--gold);font-weight:600;margin-bottom:6px}
.strata .sub{font-size:11px;letter-spacing:.18em;color:#A9A5C4;margin-bottom:20px;text-transform:uppercase}
.strata p{font-size:13px;line-height:1.95;color:#C9C6DE;margin-bottom:22px;min-height:100px}
.strata__col{display:flex;gap:10px;align-items:flex-end;height:150px}
.strata__bars{flex:1;display:flex;flex-direction:column;height:100%}
.strata__bars i{display:block;flex:1;border-bottom:1px solid rgba(255,255,255,.12);font-style:normal}
.strata__bars i:nth-child(odd){background:rgba(231,180,121,.3)}
.strata__bars i:nth-child(even){background:rgba(120,140,180,.28)}
.strata__scale{display:flex;flex-direction:column;justify-content:space-between;font-size:10px;color:#8E8AA9;letter-spacing:.1em;height:100%;padding:0 0 2px}
.strata__legend{margin-top:14px;font-size:11px;color:#8E8AA9;line-height:1.8}
.strata-note{margin-top:22px;font-size:11.5px;color:#8E8AA9;text-align:right}

/* 流程链 */
.chain{display:flex;gap:0;margin-top:44px;flex-wrap:wrap;border:1px solid var(--line);background:#fff}
.chain__step{flex:1 1 12.5%;min-width:120px;padding:20px 14px;text-align:center;border-right:1px solid var(--line);position:relative}
.chain__step:last-child{border-right:0}
.chain__step small{display:block;font-size:10px;letter-spacing:.16em;color:var(--gold-deep);margin-bottom:8px}
.chain__step b{display:block;font-family:var(--serif);font-size:16px;color:var(--ink);font-weight:600}
.chain__step span{display:block;font-size:11px;color:var(--muted);margin-top:6px}

/* 表格 */
.table-scroll{overflow-x:auto;margin-top:36px;border:1px solid var(--line);background:#fff}
.dtable{min-width:640px;font-size:13.5px}
.dtable thead th{background:var(--navy);color:#F0E7D4;font-weight:500;text-align:left;padding:15px 20px;font-size:12.5px;letter-spacing:.08em;white-space:nowrap}
.dtable td{padding:14px 20px;border-bottom:1px solid var(--line);color:var(--body);vertical-align:top}
.dtable tbody tr:last-child td{border-bottom:0}
.dtable tbody tr:hover{background:#FBF8F2}
.dtable td:first-child{color:var(--ink);font-weight:500;min-width:180px}
.dtable .num{font-family:var(--serif);color:var(--gold-deep);font-size:15px;white-space:nowrap}
.dtable .dim{color:var(--muted)}
.dtable caption{caption-side:bottom;text-align:left;padding:14px 20px;font-size:11.5px;color:var(--muted);background:var(--paper-2);line-height:1.8}

/* ---------- 资质证照 ---------- */
.certs{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:12px}
.cert{border:1px solid var(--line);background:#fff;display:flex;flex-direction:column;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.cert:hover{transform:translateY(-5px);box-shadow:0 20px 44px rgba(40,36,75,.09)}
.cert__img{height:230px;background:var(--paper-2);display:flex;align-items:center;justify-content:center;overflow:hidden;border-bottom:1px solid var(--line);cursor:zoom-in}
.cert__img:focus-visible{outline:3px solid var(--gold);outline-offset:-3px}
.cert__img img{width:100%;height:100%;object-fit:contain;transition:transform .4s var(--ease)}
.cert:hover .cert__img img{transform:scale(1.04)}
.cert__body{padding:26px 26px 30px;flex:1}
.cert__no{font-size:10px;letter-spacing:.22em;color:var(--gold-deep);text-transform:uppercase}
.cert h3{font-family:var(--serif);font-size:21px;color:var(--ink);font-weight:600;margin:12px 0 18px}
.cert dl{display:grid;grid-template-columns:74px 1fr;gap:9px 12px;font-size:12.5px;line-height:1.7}
.cert dt{color:var(--muted)}
.cert dd{color:var(--ink)}
.cert__valid{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:12px;color:var(--gold-deep);display:flex;align-items:center;gap:8px}
.cert__valid::before{content:"";width:6px;height:6px;background:var(--gold);border-radius:50%}

/* ---------- 时间轴 ---------- */
.timeline{margin-top:20px;position:relative;padding-left:0}
.timeline::before{content:"";position:absolute;left:112px;top:12px;bottom:12px;width:1px;background:linear-gradient(to bottom,var(--gold),var(--line) 85%)}
.tl{display:grid;grid-template-columns:112px 40px 1fr;padding:0 0 30px;position:relative}
.tl__yr{font-family:var(--serif);font-size:24px;color:var(--ink);font-weight:600;text-align:right;padding-right:24px;line-height:1.4}
.tl__dot{position:relative;display:flex;justify-content:center;padding-top:9px}
.tl__dot::after{content:"";width:9px;height:9px;border-radius:50%;background:var(--gold);border:2px solid var(--paper);box-shadow:0 0 0 3px rgba(231,180,121,.25)}
.section--warm .tl__dot::after{border-color:var(--paper-2)}
.tl__body{padding-left:8px;padding-bottom:8px}
.tl__body p{font-size:14px;line-height:1.85;color:var(--body)}
.tl__amt{font-family:var(--serif);font-size:15px;color:var(--gold-deep);margin-left:10px;white-space:nowrap}
.tl--key .tl__yr{color:var(--gold-deep)}
.tl--key .tl__body p{color:var(--ink);font-weight:500}
.timeline-note{margin-top:26px;padding:16px 20px;border-left:2px solid var(--gold);background:rgba(231,180,121,.09);font-size:12.5px;color:var(--body);line-height:1.9}

/* ---------- 团队 ---------- */
.founder{display:grid;grid-template-columns:420px 1fr;gap:0;border:1px solid var(--line);background:#fff;margin-bottom:28px}
.founder__img{min-height:340px;background:var(--navy);overflow:hidden}
.founder__img img{width:100%;height:100%;object-fit:cover;object-position:60% center}
.founder__body{padding:42px 46px}
.founder__body .role{font-size:11px;letter-spacing:.24em;color:var(--gold-deep);text-transform:uppercase;margin-bottom:14px}
.founder__body h3{font-family:var(--serif);font-size:34px;color:var(--ink);font-weight:600;letter-spacing:.1em;margin-bottom:6px}
.founder__body .certs-line{font-size:12.5px;color:var(--gold-deep);margin-bottom:24px;letter-spacing:.04em}
.founder__body p{font-size:13.5px;line-height:2;margin-bottom:14px}
.team-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.member{border:1px solid var(--line);background:#fff;display:grid;grid-template-columns:180px 1fr;overflow:hidden}
.member__img{background:var(--navy);overflow:hidden}
.member__img img{width:100%;height:100%;object-fit:cover;object-position:center 20%}
.member__body{padding:28px 30px}
.member__body .en{font-size:10px;letter-spacing:.2em;color:var(--gold-deep);text-transform:uppercase}
.member__body h3{font-family:var(--serif);font-size:26px;color:var(--ink);font-weight:600;margin:10px 0 4px}
.member__body .role{font-size:12.5px;color:var(--gold-deep);margin-bottom:16px}
.member__body p{font-size:12.8px;line-height:1.95;color:var(--body)}
.team-stats{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:34px}
.team-stats div{background:#fff;padding:20px 12px;text-align:center}
.team-stats b{font-family:var(--serif);font-size:24px;color:var(--ink);display:block}
.team-stats small{font-size:11.5px;color:var(--muted)}
.team-stats div:last-child{background:var(--navy)}
.team-stats div:last-child b{color:var(--gold)}
.team-stats div:last-child small{color:#C9C6DE}

/* 寄语 */
.message{margin-top:56px;background:var(--navy);color:#fff;padding:56px 64px;position:relative;overflow:hidden}
.message::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--gold)}
.message .eyebrow{margin-bottom:20px}
.message p{font-family:var(--serif);font-size:18px;line-height:2.1;color:#E5E1F0;max-width:940px}
.message__sign{margin-top:26px;display:flex;align-items:flex-end;gap:24px;flex-wrap:wrap}
.message__sign img{width:150px;opacity:.95}
.message__sign span{font-size:13px;color:#B7B3CB;letter-spacing:.1em}

/* ---------- 业绩 ---------- */
.perf-hero{background:var(--navy);color:#fff;position:relative;overflow:hidden;padding:88px 0}
.perf-hero::after{content:"";position:absolute;right:-120px;top:-120px;width:520px;height:520px;border:1px solid rgba(231,180,121,.14);border-radius:50%}
.perf-hero .wrap{position:relative;z-index:2}
.perf-hero .eyebrow{color:var(--gold)}
.perf-hero h2{font-family:var(--serif);font-size:clamp(28px,3.4vw,42px);font-weight:600;color:#fff;margin:18px 0 14px}
.perf-hero p{color:#C6C2D8;max-width:780px;font-size:14.5px}
.perf-nums{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.12);margin-top:44px;border:1px solid rgba(255,255,255,.12)}
.perf-nums div{background:var(--navy);padding:28px 22px}
.perf-nums b{font-family:var(--serif);font-size:34px;color:var(--gold);display:block;line-height:1.2}
.perf-nums small{font-size:12px;color:#B7B3CB;display:block;margin-top:8px}
.perf-split{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}
.perf-split__box{border:1px solid rgba(255,255,255,.14);padding:26px 30px;background:rgba(255,255,255,.035)}
.perf-split__box .lab{font-size:11px;letter-spacing:.2em;color:var(--gold);text-transform:uppercase}
.perf-split__box b{font-family:var(--serif);font-size:32px;color:#fff;display:block;margin:12px 0 6px}
.perf-split__box p{font-size:12.5px;color:#B7B3CB;line-height:1.85}
.perf-split__box--warn{border-color:rgba(231,180,121,.5);background:rgba(231,180,121,.07)}

.tabs{display:flex;gap:0;border-bottom:1px solid var(--line);margin:44px 0 0;overflow-x:auto}
.tab{padding:16px 28px;font-size:14px;color:var(--muted);white-space:nowrap;border-bottom:2px solid transparent;transition:color .25s,border-color .25s;letter-spacing:.04em}
.tab:hover{color:var(--ink)}
.tab.is-active{color:var(--ink);border-bottom-color:var(--gold);font-weight:600}
.tab-panel{display:none;padding-top:8px;animation:fade .4s var(--ease)}
.tab-panel.is-active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.tab-note{margin-top:18px;font-size:12.5px;color:var(--muted);line-height:1.9;padding:16px 20px;background:var(--paper-2);border-left:2px solid var(--gold)}
.tab-note strong{color:var(--ink)}

/* 案例 */
.cases{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-top:12px}
.case{border:1px solid var(--line);background:#fff;overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.case:hover{transform:translateY(-5px);box-shadow:0 20px 44px rgba(40,36,75,.09)}
.case__img{height:220px;overflow:hidden;background:var(--paper-2)}
.case__img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.case:hover .case__img img{transform:scale(1.05)}
.case__body{padding:28px 30px 32px}
.case__body h3{font-family:var(--serif);font-size:21px;color:var(--ink);font-weight:600;margin-bottom:12px}
.case__meta{font-size:12px;color:var(--muted);line-height:1.9;border-top:1px solid var(--line);padding-top:14px;margin-top:14px}
.case__meta b{color:var(--gold-deep);font-weight:600}
.case__body p{font-size:13px;line-height:1.95;color:var(--body)}

/* 合作伙伴 */
.partners{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:12px}
.partner{background:#fff;padding:26px 24px;transition:background .25s}
.partner:hover{background:#FBF8F2}
.partner h4{font-size:14.5px;color:var(--ink);font-weight:600;margin-bottom:8px;line-height:1.6}
.partner p{font-size:12.5px;color:var(--muted);line-height:1.8;min-height:44px}
.partner .status{display:inline-block;margin-top:12px;font-size:11px;padding:3px 10px;border:1px solid var(--gold);color:var(--gold-deep);letter-spacing:.06em}

/* ---------- 联系 / 页脚 ---------- */
.contact{background:var(--navy-deep);color:#fff;position:relative;overflow:hidden;padding:100px 0 0}
.contact::before{content:"";position:absolute;right:-10%;top:-40%;width:60%;height:180%;background:radial-gradient(ellipse,rgba(231,180,121,.09),transparent 60%);pointer-events:none}
.contact .wrap{position:relative;z-index:2}
.contact .sec-head h2{color:#fff}
.contact__grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;margin-top:10px}
.contact__slogan{font-family:var(--serif);font-size:clamp(28px,3.6vw,46px);line-height:1.6;color:var(--gold);letter-spacing:.12em;margin-bottom:24px}
.contact__slogan small{display:block;font-size:14px;letter-spacing:.3em;color:#B7B3CB;font-family:var(--sans);margin-top:18px}
.contact__list{margin-top:10px}
.contact__row{display:grid;grid-template-columns:76px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line-dark);font-size:14px;align-items:baseline}
.contact__row dt{color:var(--gold);font-size:11px;letter-spacing:.18em;text-transform:uppercase}
.contact__row dd{color:#E5E1F0;line-height:1.8}
.contact__row a:hover{color:var(--gold)}
.contact__end{margin-top:70px;padding:36px 0;border-top:1px solid var(--line-dark);display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;font-size:12px;color:#9995B4;letter-spacing:.06em}
.contact__end .gold{color:var(--gold);font-family:var(--serif);font-size:16px;letter-spacing:.16em}
.footer{background:#141227;padding:30px 0;color:#8C88A8;font-size:11.5px}
.footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
.footer a:hover{color:var(--gold)}
.footer__icp:empty{display:none}
.footer__icp{width:100%;padding-top:12px;margin-top:4px;border-top:1px solid rgba(255,255,255,.07);font-size:11px;letter-spacing:.04em}
.footer__icp a{color:#A9A5C4;margin-right:18px;white-space:nowrap}
.footer__icp a:hover{color:var(--gold)}
.totop{position:fixed;right:26px;bottom:26px;z-index:50;width:44px;height:44px;background:var(--navy);color:var(--gold);border:1px solid rgba(231,180,121,.5);display:flex;align-items:center;justify-content:center;font-size:18px;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s}
.totop.is-show{opacity:1;pointer-events:auto}
.totop:hover{transform:translateY(-3px);background:var(--gold);color:var(--navy)}

/* 灯箱 */
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(15,13,32,.94);display:none;align-items:center;justify-content:center;padding:40px;cursor:zoom-out}
.lightbox.is-open{display:flex}
.lightbox img{max-width:min(100%,1000px);max-height:88vh;object-fit:contain;box-shadow:0 20px 80px rgba(0,0,0,.5)}
.lightbox__close{position:absolute;top:24px;right:32px;color:#fff;font-size:30px;line-height:1}
.lightbox__tip{position:absolute;bottom:22px;left:0;right:0;text-align:center;color:#B7B3CB;font-size:12px;letter-spacing:.1em}

/* 滚动入场 */
/* 无 JS / 搜索引擎爬虫 / 打印 / 脚本报错时内容必须完全可见；
   仅当 <head> 内联脚本成功加上 html.js 后才启用入场动画 */
.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .reveal.is-in{opacity:1;transform:none}
.js .reveal[data-delay="1"]{transition-delay:.1s}
.js .reveal[data-delay="2"]{transition-delay:.2s}
.js .reveal[data-delay="3"]{transition-delay:.3s}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .nav__menu{gap:18px}
  .nav__menu a{font-size:12.5px}
  .nav__tel{display:none}
  .founder{grid-template-columns:340px 1fr}
  .founder__body{padding:34px}
  .split{gap:40px}
}
@media (max-width:900px){
  .wrap{padding:0 28px}
  .nav__inner{padding:0 28px}
  .nav__burger{display:flex}
  .nav__menu{position:absolute;top:100%;left:0;right:0;background:rgba(27,24,56,.98);flex-direction:column;align-items:stretch;gap:0;padding:12px 28px 24px;border-top:1px solid var(--line-dark);display:none}
  .nav.is-open .nav__menu{display:flex}
  .nav__menu a{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:14px}
  .nav__menu a::after{display:none}
  .depth,.scroll-hint{display:none}
  .hero{min-height:700px}
  .hero__inner{padding-top:110px;padding-bottom:40px}
  .hero__stats .wrap{grid-template-columns:repeat(3,1fr)}
  .hero__stat{border-bottom:1px solid rgba(255,255,255,.09)}
  .hero__stat:nth-child(3){border-right:0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .split,.founder,.contact__grid{grid-template-columns:1fr}
  .founder__img{min-height:280px;max-height:340px}
  .founder__body{padding:34px 28px}
  .culture,.crafts,.certs,.strata-wrap,.cases,.partners{grid-template-columns:1fr 1fr}
  .team-grid,.perf-split{grid-template-columns:1fr}
  .perf-nums{grid-template-columns:repeat(2,1fr)}
  .shift{grid-template-columns:1fr;gap:14px}
  .shift__arrow{transform:rotate(90deg);height:40px}
  .section{padding:80px 0}
  .team-stats{grid-template-columns:repeat(3,1fr)}
  .message{padding:40px 30px}
}
@media (max-width:640px){
  .wrap{padding:0 20px}
  .nav__inner{padding:0 20px}
  .brand__cn{font-size:16px}
  .brand__en{font-size:8px}
  .hero__inner{padding-top:100px;padding-bottom:34px}
  .hero__eyebrow{font-size:9px;letter-spacing:.14em;white-space:normal;margin-bottom:26px}
  .hero h1{font-size:34px;letter-spacing:.02em}
  .hero__sub{font-size:13px;letter-spacing:.1em}
  .hero__stats .wrap{grid-template-columns:repeat(2,1fr)}
  .hero__stat{padding:18px 12px}
  .hero__stat b{font-size:23px}
  .hero__stat:nth-child(2),.hero__stat:nth-child(4){border-right:0}
  .culture,.crafts,.certs,.strata-wrap,.cases,.partners,.team-grid,.perf-split{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid__cell{padding:22px 18px}
  .stats-grid__cell b{font-size:27px}
  .member{grid-template-columns:120px 1fr}
  .member__body{padding:20px}
  .member__body h3{font-size:22px}
  .chain__step{flex:1 1 25%;border-bottom:1px solid var(--line)}
  .tl{grid-template-columns:70px 28px 1fr}
  .timeline::before{left:70px}
  .tl__yr{font-size:18px;padding-right:12px}
  .perf-nums{grid-template-columns:repeat(2,1fr)}
  .tab{padding:13px 16px;font-size:13px}
  .contact{padding-top:72px}
  .contact__row{grid-template-columns:64px 1fr;gap:12px}
  .footer .wrap{flex-direction:column;align-items:flex-start}
  .section{padding:64px 0}
}

/* 备案信息两条链接之间的间距（公安备案启用后生效） */
.footer__icp a + a { margin-left: 12px; }