/* ====== 天与合美家 · 设计令牌（方案B 暖灰白） ====== */
:root{
  --bg:#F4F1EC; --surface:#FFFFFF; --line:#E4DED4;
  --ink:#221E1B; --t2:#6E6862; --t3:#9C948A;
  --red:#A21E26; --red-deep:#7E151C; --gold:#C9A063;
  --dark:#1D1917; --dark-line:#3A322B; --ondark:#F3EEE6; --ondark-dim:#A89F93;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.serif{font-family:var(--serif)}
.gold{color:var(--gold)}
.red{color:var(--red)}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:56px 0}
.section-alt{background:var(--surface)}
.dark{background:var(--dark);color:var(--ondark)}
.eyebrow{font-size:11px;font-weight:600;letter-spacing:3px;margin-bottom:10px}
.h1{font-family:var(--serif);font-size:30px;font-weight:600;line-height:1.4}
.h2{font-family:var(--serif);font-size:25px;font-weight:600;line-height:1.4;margin-bottom:8px}
.section-sub{font-size:13px;color:var(--t2);margin-bottom:26px}
.dark .section-sub{color:var(--ondark-dim)}
.body-text{font-size:13.5px;color:var(--t2);line-height:1.9}
.btn{display:inline-block;padding:13px 24px;font-size:13px;font-weight:500;border-radius:2px;border:none;cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,background .25s ease;will-change:transform}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-deep);box-shadow:0 8px 24px rgba(162,30,38,.35)}
.btn-ghost-w{border:1px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost-gold{border:1px solid var(--gold);color:var(--gold);background:transparent}
.btn-ghost-ink{border:1px solid var(--line);color:var(--ink);padding:9px 16px;font-size:12px}
.btn-block{width:100%}
.chip-gold{display:inline-block;border:1px solid var(--gold);color:var(--gold);padding:12px 20px;font-size:13px;letter-spacing:2px;border-radius:2px}
.ic{vertical-align:-3px}

/* ====== 顶栏 ====== */
.site-head{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:10px 20px;background:rgba(244,241,236,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.logo{display:flex;align-items:center;gap:10px}
.logo-img{height:36px;width:auto}
.logo-mark{position:relative;width:32px;height:32px;flex:none}
.logo-mark i{position:absolute;inset:4px;border:1.2px solid var(--gold);transform:rotate(45deg)}
.logo-mark b{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:13px;font-weight:600;color:var(--gold)}
.logo-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text strong{font-family:var(--serif);font-size:15px;letter-spacing:3px;font-weight:600}
.logo-text small{font-size:7px;letter-spacing:2.8px;color:var(--gold);font-weight:500}
.logo-text.on-dark strong{color:var(--ondark)}
.nav{display:none}
.head-right{display:flex;align-items:center;gap:16px}
.head-phone,.head-cta,.head-slogan{display:none}
.menu-btn{background:none;border:none;color:var(--ink);cursor:pointer;display:flex}
body.nav-open .nav{display:flex;position:fixed;inset:56px 0 auto 0;background:var(--bg);flex-direction:column;padding:16px 24px 24px;gap:0;border-bottom:1px solid var(--line);box-shadow:0 18px 40px rgba(30,20,10,.12)}
body.nav-open .nav a{padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}

/* ====== HERO ====== */
.hero{position:relative;height:88vh;min-height:560px;max-height:760px;overflow:hidden;display:flex;align-items:flex-end}
.hero-carousel{position:absolute;inset:0}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.1s ease}
.hero-slide.is-active{opacity:1}
.hero-slide-img{position:absolute;inset:-8% 0 0 0;height:116%;background-size:cover;background-position:center;transform:scale(1.06)}
.hero-slide.is-active .hero-slide-img{animation:heroZoom 6s ease-out forwards}
@keyframes heroZoom{from{transform:scale(1.12)}to{transform:scale(1)}}
.hero-dots{position:absolute;left:24px;bottom:26px;z-index:3;display:flex;gap:9px}
.hero-dots button{width:9px;height:9px;border-radius:50%;border:none;background:rgba(255,255,255,.45);cursor:pointer;padding:0;transition:all .3s}
.hero-dots button.is-active{background:var(--gold);width:22px;border-radius:5px}
.hero-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(29,25,23,.08) 30%,rgba(29,25,23,.88) 100%)}
.hero-content{position:relative;z-index:2;padding:0 24px 84px;width:100%}
.hero-title{font-family:var(--serif);font-size:31px;font-weight:600;color:#fff;line-height:1.5;margin:6px 0 12px}
.hero-title .ch{display:inline-block}
.hero-sub{font-size:13px;color:#E9E2D6;line-height:1.85;margin-bottom:22px}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap}
.hero-chip{display:none}
.glass{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(12px);border-radius:2px}
.scroll-hint{display:none}

/* ====== 跑马灯 ====== */
.marquee{display:none}

/* ====== 数字条 ====== */
.stats{padding:30px 0 26px;border-bottom:1px solid var(--line)}
.stats-row{display:grid;grid-template-columns:1fr 1fr;gap:22px 12px}
.stat-num{display:flex;align-items:flex-end;gap:3px}
.stat-num b{font-size:27px;font-weight:600;color:var(--red);line-height:1}
.stat-num span{font-size:11px;color:var(--t2);padding-bottom:3px}
.stat p{font-size:11px;color:var(--t3);margin-top:4px}

/* ====== 品牌故事 ====== */
.story-grid{display:flex;flex-direction:column;gap:26px}
.story-quote{font-size:15px;line-height:2;text-align:center;margin:22px 0 6px;position:relative}
.story-quote::before{content:"◆";display:block;color:var(--gold);font-size:9px;margin-bottom:10px}
.milestones{display:flex;justify-content:space-between;padding:12px 8px 0}
.milestone{display:flex;flex-direction:column;align-items:center;gap:2px}
.milestone b{font-size:17px;font-weight:600}
.milestone span{font-size:10px;color:var(--t3)}
.story-visual{position:relative;padding:0 0 20px 0}
.story-visual img{width:100%;height:250px;object-fit:cover}
.gold-frame{position:absolute;top:20px;left:20px;right:-0px;bottom:0;border:1px solid var(--gold);pointer-events:none}
.story-visual .gold-frame{top:16px;left:16px;right:-8px;bottom:4px}

/* ====== 业务 ====== */
.svc-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.svc-card{background:var(--bg);padding:20px 16px;display:flex;flex-direction:column;gap:9px}
.section-alt .svc-card{background:var(--bg)}
.svc-card h3{font-size:15px;font-weight:600}
.svc-card p{font-size:11px;color:var(--t2);line-height:1.7}

/* ====== 蜕变（移动端简版：显示大图+可点击步骤，不锁滚动） ====== */
.transform{position:relative;overflow:hidden;padding:52px 0}
.tf-deco{display:none}
.tf-head{margin-bottom:18px;padding:0 24px}
.tf-head .eyebrow{font-size:11px;font-weight:600;letter-spacing:3px;color:var(--gold);margin-bottom:10px}
.tf-head .h2{margin-bottom:8px}
.tf-wrap{display:flex;flex-direction:column;gap:18px;padding:0 24px}
.tf-visual{position:relative}
.tf-stage-imgs{position:relative;height:230px;overflow:hidden}
.tf-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .55s ease}
.tf-img.is-active{opacity:1}
.tf-visual .gold-frame{top:12px;left:12px;right:-6px;bottom:4px}
.tf-progress{display:none}
.tf-hint{display:none}
.tf-steps{display:flex;flex-direction:column}
.tf-step{display:flex;gap:14px;padding:15px 4px;border-bottom:1px solid var(--line);align-items:flex-start;transition:background .3s;cursor:pointer}
.tf-step b{font-size:15px;font-weight:600;color:var(--t3);transition:color .3s}
.tf-step h4{font-size:14px;font-weight:500;transition:color .3s}
.tf-step p{font-size:11.5px;color:var(--t2);line-height:1.7}
.tf-step.is-active b,.tf-step.is-active h4{color:var(--red)}
.tf-step-thumb{width:76px;height:56px;object-fit:cover;margin-left:auto;flex:none}
.tf-badge{position:absolute;top:12px;left:12px;z-index:2;display:block}
.tf-dots{display:none}
.dark-chip{background:var(--dark);color:var(--ondark);font-size:12px;letter-spacing:1px;padding:9px 14px}
.dark-chip b{color:var(--gold)}

/* ====== 案例 ====== */
.section-head-row{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:22px;gap:16px}
.cases-more,.craft-sub{font-size:12px;color:var(--t3);flex:none}
.dark .craft-sub{color:var(--ondark-dim)}
.case-grid{display:grid;grid-template-columns:1fr;gap:26px}
.case-card{display:block}
.case-img{overflow:hidden}
.case-img img{width:100%;height:225px;object-fit:cover;transition:transform .7s cubic-bezier(.22,.61,.36,1)}
.case-card:hover .case-img img{transform:scale(1.06)}
.case-info{display:flex;justify-content:space-between;align-items:center;padding-top:12px}
.case-info h3{font-size:15px;font-weight:600}
.case-info p{font-size:11px;color:var(--t3);margin-top:2px}

/* ====== 工艺 ====== */
.craft-grid{display:flex;flex-direction:column}
.craft-item{padding:16px 0;border-top:1px solid var(--dark-line);display:grid;grid-template-columns:36px 1fr;gap:4px 14px}
.craft-item:first-child{border-top:none}
.craft-item b{font-size:15px;grid-row:span 2}
.craft-item h3{font-size:14px;font-weight:500;color:var(--ondark)}
.craft-item p{font-size:11.5px;color:var(--ondark-dim);line-height:1.7}
.craft-cta-row{display:flex;justify-content:center;padding-top:18px}

/* ====== 团队 ====== */
.team-sub{font-size:17px;font-weight:600;margin:26px 0 14px;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.pm-note{font-family:var(--sans);font-size:11px;color:var(--t3);font-weight:400}
.team-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 12px}
.team-photo{overflow:hidden;background:#DDD6CB}
.team-photo img{width:100%;aspect-ratio:4/5;object-fit:cover;transition:transform .6s ease}
.team-card:hover .team-photo img{transform:scale(1.04)}
.team-card h4{font-size:14px;font-weight:600;margin-top:10px}
.team-card h4 small{font-family:var(--sans);font-size:10.5px;color:var(--gold);font-weight:500;margin-left:4px}
.team-years{font-size:10.5px;color:var(--t3)}
.team-desc{font-size:11px;color:var(--t2);line-height:1.65;margin-top:3px}

/* ====== 流程 ====== */
.flow-row{display:flex;flex-direction:column}
.flow-step{padding:14px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:34px 1fr;gap:2px 14px}
.flow-step b{font-size:15px;grid-row:span 2}
.flow-step h4{font-size:14px;font-weight:500}
.flow-step p{font-size:11.5px;color:var(--t2);line-height:1.7}

/* ====== 见证 ====== */
.voice-grid{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}
.voice-card{background:var(--surface);padding:20px 18px}
.voice-card p{font-family:var(--serif);font-size:14px;line-height:2;margin:8px 0 10px}
.voice-card small{font-size:11px;color:var(--t3)}
.voice-photos{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.voice-photo img{width:100%;height:110px;object-fit:cover}
.voice-caption{text-align:center;font-size:10px;color:var(--t3);margin-top:10px}

/* ====== 开工墙（店内） ====== */
.ceremony-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ceremony-item{position:relative;overflow:hidden}
.ceremony-item img{width:100%;height:150px;object-fit:cover;transition:transform .6s}
.ceremony-item:hover img{transform:scale(1.05)}
.ceremony-item figcaption{position:absolute;left:0;bottom:0;right:0;padding:18px 10px 8px;font-size:10.5px;color:#fff;background:linear-gradient(transparent,rgba(29,25,23,.75))}

/* ====== 表单 ====== */
.red-band{background:var(--red);color:#fff}
.lead-grid{display:flex;flex-direction:column;gap:22px}
.lead-text p{font-size:12.5px;color:#F3DCD4;line-height:1.8}
.lead-contact{margin-top:14px;display:flex;flex-direction:column;gap:7px}
.lead-contact p{display:flex;align-items:center;gap:8px;font-size:12px;color:#F3DCD4}
.lead-card{background:#fff;padding:20px 18px;display:flex;flex-direction:column;gap:12px;border-radius:2px;color:var(--ink)}
.lead-card input{border:1px solid #E5DFD6;border-radius:2px;padding:12px 14px;font-size:13px;font-family:var(--sans);outline:none;transition:border-color .25s}
.lead-card input:focus{border-color:var(--gold)}
.lead-privacy{font-size:10px;color:var(--t3);text-align:center}
.lead-msg{font-size:12px;text-align:center;color:var(--red);min-height:1em}
.lead-msg.ok{color:#2E7D32}
.hp{position:absolute;left:-9999px;opacity:0;height:0;border:none}

/* ====== 页脚 ====== */
.site-foot{padding:40px 0 16px}
.foot-top{display:flex;flex-direction:column;gap:22px;padding-bottom:24px}
.foot-brand{display:flex;flex-direction:column;gap:8px}
.foot-brand .logo-mark{width:34px;height:34px}
.foot-slogan{font-size:12px;letter-spacing:2px;color:var(--ondark-dim)}
.foot-contact{display:flex;flex-direction:column;gap:8px}
.foot-contact p{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--ondark-dim)}
.foot-contact .ic{color:var(--gold)}
.foot-qr{display:flex;gap:14px;align-items:center}
.foot-qr img{width:76px;height:76px;background:#fff}
.foot-qr b{display:block;font-size:12px;font-weight:500;color:var(--ondark)}
.foot-qr span{font-size:10px;color:var(--ondark-dim)}
.foot-store-line{font-size:13px;letter-spacing:2px;color:var(--ondark-dim)}
.foot-bottom{border-top:1px solid var(--dark-line);padding-top:14px;display:flex;justify-content:space-between;gap:10px;font-size:9.5px;color:var(--ondark-dim);flex-wrap:wrap}
.foot-admin{opacity:.55}

/* ====== 悬浮条 ====== */
.floatbar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;gap:10px;align-items:center;background:#fff;padding:10px 12px calc(10px + env(safe-area-inset-bottom));box-shadow:0 -3px 14px rgba(0,0,0,.14)}
.fb-item{display:flex;flex-direction:column;align-items:center;gap:2px;width:58px;color:var(--ink);font-size:10px}
.fb-item .ic{color:var(--red)}
.fb-main{flex:1;text-align:center;background:var(--red);color:#fff;padding:12px 0;font-size:13px;font-weight:500;border-radius:2px}
body[data-mode="lead"]{padding-bottom:64px}
body[data-mode="lead"].case-page{padding-bottom:0}

/* ====== 案例详情 ====== */
.case-detail{padding:36px 24px 56px}
.case-meta{font-size:12px;color:var(--t3);margin:6px 0 14px}
.case-desc{max-width:720px;margin-bottom:26px}
.case-gallery{display:flex;flex-direction:column;gap:14px}
.case-others-title{margin:46px 0 18px}

/* ====== 动效初始态（JS 启用后） ====== */
body.gsap-on [data-reveal]{opacity:0;transform:translateY(28px)}
body.gsap-on [data-stagger]>*{opacity:0;transform:translateY(30px)}
body.gsap-on .hero-title .ch{opacity:0;transform:translateY(40px)}
body.gsap-on [data-clip]{clip-path:inset(100% 0 0 0)}
@media (prefers-reduced-motion:reduce){
  body.gsap-on [data-reveal],body.gsap-on [data-stagger]>*,body.gsap-on .hero-title .ch{opacity:1;transform:none}
  body.gsap-on [data-clip]{clip-path:none}
}

/* ================================================================
   桌面端 ≥1024px —— 单独布局
================================================================ */
@media (min-width:1024px){
  .section{padding:96px 0}
  .container{padding:0 60px}
  .h1{font-size:44px}
  .h2{font-size:33px}
  .eyebrow{font-size:12px;letter-spacing:4px}
  .section-sub{font-size:14px;margin-bottom:40px}
  .body-text{font-size:14.5px}

  .site-head{padding:16px 60px}
  .logo-text strong{font-size:17px}
  .logo-text small{font-size:8px}
  .nav{display:flex;gap:34px}
  .nav a{font-size:13px;color:var(--t2);transition:color .25s}
  .nav a:hover{color:var(--red)}
  .head-phone{display:block;font-family:var(--serif);font-size:15px;font-weight:600}
  .head-cta{display:inline-block;padding:11px 20px}
  .head-slogan{display:block;font-family:var(--serif);font-size:13px;letter-spacing:2px;color:var(--gold)}
  .menu-btn{display:none}

  .hero{height:92vh;max-height:860px}
  .hero-content{padding:0 80px 110px;max-width:820px}
  .hero-title{font-size:54px;line-height:1.35}
  .hero-sub{font-size:15px}
  .hero-chip{display:flex;flex-direction:column;gap:5px;position:absolute;right:80px;bottom:110px;z-index:2;padding:20px 24px;color:#fff}
  .hero-chip strong{font-family:var(--serif);font-size:20px;font-weight:600}
  .hero-chip span{font-size:11px;color:#E9E2D6}
  .scroll-hint{display:flex;flex-direction:column;align-items:center;gap:8px;position:absolute;left:50%;transform:translateX(-50%);bottom:26px;z-index:2}
  .scroll-hint span{font-size:9px;letter-spacing:4px;color:var(--gold);font-weight:600}
  .scroll-hint i{width:1px;height:34px;background:var(--gold);animation:hint 2s ease-in-out infinite}
  @keyframes hint{0%,100%{transform:scaleY(.4);opacity:.4}50%{transform:scaleY(1);opacity:1}}

  .marquee{display:block;overflow:hidden;padding:26px 0;border-bottom:1px solid var(--line);white-space:nowrap}
  .marquee-track{display:inline-flex;will-change:transform}
  .mq-seg{display:inline-flex;align-items:center;gap:44px;padding-right:44px}
  .mq-seg em{font-family:var(--serif);font-style:normal;font-size:26px;font-weight:600;letter-spacing:3px;color:rgba(34,30,27,.08)}
  .mq-seg b{font-size:11px;color:rgba(201,160,99,.35)}

  .stats{padding:46px 0}
  .stats-row{display:flex;gap:0}
  .stat{flex:1;display:flex;flex-direction:column;align-items:center;border-left:1px solid var(--line)}
  .stat:first-child{border-left:none}
  .stat-num b{font-size:34px}
  .stat p{font-size:12px}

  .story-grid{flex-direction:row;gap:72px;align-items:center}
  .story-text{flex:1}
  .story-quote{text-align:left;font-size:16px}
  .story-quote::before{margin-bottom:8px}
  .milestones{justify-content:flex-start;gap:48px}
  .milestone{align-items:flex-start}
  .milestone b{font-size:20px}
  .story-visual{flex:none;width:46%;padding:0 24px 24px 0}
  .story-visual img{height:430px}
  .story-visual .gold-frame{top:24px;left:24px;right:0;bottom:0}

  .svc-grid{grid-template-columns:repeat(4,1fr);gap:16px}
  .svc-card{padding:30px 24px;gap:12px}
  .svc-card h3{font-size:17px}
  .svc-card p{font-size:12px;line-height:1.8}

  /* 蜕变桌面：pin 锁滚动，样式见文件末尾装饰块的 @media */
  .tf-step-thumb{display:none}

  .case-grid{grid-template-columns:repeat(3,1fr);gap:18px;align-items:start}
  .case-img img{height:300px}
  .case-card:nth-child(3n+1) .case-img img{height:340px}
  .case-card:nth-child(3n+2){margin-top:40px}
  .case-info h3{font-size:16px}
  .case-info p{font-size:12px}

  .craft-grid{flex-direction:row;gap:0}
  .craft-item{flex:1;display:flex;flex-direction:column;gap:12px;padding:8px 28px;border-top:none;border-left:1px solid var(--dark-line)}
  .craft-item:first-child{border-left:none;padding-left:0}
  .craft-item b{font-size:17px}
  .craft-item h3{font-size:16px}
  .craft-item p{font-size:12.5px;line-height:1.8}
  .craft-cta-row{padding-top:44px}

  .team-sub{font-size:20px;margin:40px 0 20px}
  .team-grid.designers{grid-template-columns:repeat(4,1fr);gap:20px}
  .team-grid.pms{grid-template-columns:repeat(5,1fr);gap:16px}
  .team-card h4{font-size:15px}
  .team-card.pm h4{font-size:14px}
  .team-desc{font-size:11.5px}

  .flow-row{flex-direction:row;gap:14px}
  .flow-step{flex:1;display:flex;flex-direction:column;gap:8px;border-bottom:none;border-top:1px solid var(--line);padding:20px 6px 0}
  .flow-step b{font-size:17px}
  .flow-step h4{font-size:15px}
  .flow-step p{font-size:12px}

  .voice-grid{flex-direction:row;gap:16px}
  .voice-card{flex:1;padding:28px 26px}
  .voice-card p{font-size:15px}
  .voice-photos{gap:16px}
  .voice-photo img{height:210px}
  .voice-caption{font-size:11px;margin-top:14px}

  .ceremony-grid{grid-template-columns:repeat(4,1fr);gap:16px}
  .ceremony-item img{height:230px}

  .lead-grid{flex-direction:row;gap:80px;align-items:center}
  .lead-text{flex:1}
  .lead-text p{font-size:13.5px}
  .lead-card{flex:none;width:520px;padding:26px 24px}
  .site-foot{padding:60px 0 22px}
  .foot-top{flex-direction:row;justify-content:space-between;align-items:flex-start;padding-bottom:36px}
  .foot-bottom{font-size:10.5px}
  .floatbar{display:none}
  body[data-mode="lead"]{padding-bottom:0}
  .case-detail{padding:60px 60px 90px}
  .case-gallery{display:grid;grid-template-columns:1fr 1fr;gap:18px}
}

/* ============================================================
   新增：loading / 装饰层 / pin蜕变 / 精选案例 / 轮播 / 更多案例
   装饰纹理均来自 transparenttextures.com 素材（非手绘）
============================================================ */
/* ---- 全局 Loading ---- */
.page-loader{position:fixed;inset:0;z-index:9999;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;transition:opacity .6s ease,visibility .6s}
.page-loader.hide{opacity:0;visibility:hidden}
.loader-mark{position:relative;width:66px;height:66px}
.loader-ring{position:absolute;inset:0;width:100%;height:100%;animation:loaderSpin 1s linear infinite}
.loader-ring circle{stroke:var(--gold);stroke-linecap:round;stroke-dasharray:80 160}
@keyframes loaderSpin{to{transform:rotate(360deg)}}
.loader-diamond{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.loader-diamond i{position:absolute;width:26px;height:26px;border:1px solid var(--gold);transform:rotate(45deg)}
.loader-diamond b{font-family:var(--serif);font-size:17px;color:var(--gold)}
.loader-text{font-family:var(--serif);font-size:12px;letter-spacing:6px;color:var(--t2)}

/* ---- 案例精选大卡 ---- */
.cases{position:relative;overflow:hidden}
.cases .container{position:relative;z-index:1}
.cases-deco{position:absolute;inset:0;overflow:hidden;z-index:0;pointer-events:none}
.cases-deco-pattern{position:absolute;inset:0;background-image:url('/assets/textures/diagmonds-light.png');opacity:.5}
.case-feature-row{display:flex;flex-direction:column;gap:14px;margin-bottom:14px}
.case-feature{position:relative;display:block;overflow:hidden}
.case-feature-img{overflow:hidden;height:280px}
.case-feature-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.22,.61,.36,1)}
.case-feature:hover .case-feature-img img{transform:scale(1.05)}
.case-tag{position:absolute;top:14px;left:14px;z-index:2;background:var(--red);color:#fff;font-size:11px;padding:5px 12px;letter-spacing:1px}
.case-feature-info{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:42px 20px 18px;background:linear-gradient(transparent,rgba(29,25,23,.85));color:#fff}
.case-feature-info h3{font-size:19px;font-weight:600}
.case-feature-info p{font-size:12px;color:#E9E2D6;margin:3px 0 9px}
.case-more-link{font-size:12px;display:inline-flex;align-items:center;gap:5px}
.case-more-link .ic{vertical-align:middle}

/* ---- 案例详情轮播 ---- */
.case-detail-page{padding-bottom:10px}
.case-carousel{position:relative;overflow:hidden;background:#1a1613}
.case-carousel-track{position:relative;height:300px}
.case-slide{position:absolute;inset:0;opacity:0;transition:opacity .55s ease}
.case-slide.is-active{opacity:1}
.case-slide img{width:100%;height:100%;object-fit:contain}
.carousel-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:40px;height:40px;border:none;background:rgba(0,0,0,.4);color:#fff;font-size:22px;line-height:1;cursor:pointer;border-radius:50%;transition:background .25s}
.carousel-arrow:hover{background:var(--red)}
.carousel-arrow.prev{left:10px}
.carousel-arrow.next{right:10px}
.case-thumbs{display:flex;gap:8px;padding:12px 4px;overflow-x:auto}
.case-thumb{flex:none;width:62px;height:46px;border:2px solid transparent;padding:0;cursor:pointer;background:none;overflow:hidden;border-radius:2px}
.case-thumb.is-active{border-color:var(--gold)}
.case-thumb img{width:100%;height:100%;object-fit:cover}

/* ---- 更多案例区隔 ---- */
.more-cases{position:relative;overflow:hidden;background:var(--surface);border-top:1px solid var(--line);margin-top:38px}
.more-cases .container{position:relative;z-index:1}
.more-cases-head{text-align:center;margin-bottom:28px}
.more-cases-line{display:block;width:1px;height:36px;background:var(--gold);margin:0 auto 18px}
.more-cases-cta{text-align:center;margin-top:28px}

/* ---- 蜕变装饰层（移动隐藏，桌面视差） ---- */
.tf-deco-layer,.tf-deco-diamond,.tf-deco-ring{position:absolute;will-change:transform;pointer-events:none}

/* ============================================================
   桌面端 ≥1024px：pin 锁滚动蜕变 + 装饰视差 + 精选双卡
============================================================ */
@media (min-width:1024px){
  /* 蜕变：pin */
  .transform{padding:0;position:relative;overflow:hidden}
  .tf-deco{display:block;position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}
  .tf-deco-paper{position:absolute;inset:-10% 0;background-image:url('/assets/textures/natural-paper.png');opacity:.55}
  .tf-deco-arabesque{position:absolute;top:-120px;right:-140px;width:520px;height:520px;background-image:url('/assets/textures/arabesque.png');opacity:.5;-webkit-mask:radial-gradient(circle,#000 32%,transparent 68%);mask:radial-gradient(circle,#000 32%,transparent 68%)}
  .tf-deco-diamond{background-image:url('/assets/textures/diagmonds-light.png')}
  .tf-deco-diamond-a{top:12%;left:-90px;width:300px;height:300px;opacity:.6;-webkit-mask:radial-gradient(circle,#000 40%,transparent 72%);mask:radial-gradient(circle,#000 40%,transparent 72%)}
  .tf-deco-diamond-b{bottom:6%;right:8%;width:220px;height:220px;opacity:.5;-webkit-mask:radial-gradient(circle,#000 40%,transparent 72%);mask:radial-gradient(circle,#000 40%,transparent 72%)}
  .tf-deco-ring{bottom:-120px;left:14%;width:360px;height:360px;background-image:url('/assets/textures/flowers.png');opacity:.42;-webkit-mask:radial-gradient(circle,transparent 38%,#000 50%,transparent 74%);mask:radial-gradient(circle,transparent 38%,#000 50%,transparent 74%)}
  .tf-pin{position:relative;z-index:1}
  .tf-pin-inner{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:92px 0 46px}
  .tf-pin-inner .container{width:100%}
  .tf-head{text-align:center;margin-bottom:34px;padding:0}
  .tf-head .eyebrow{font-size:12px;letter-spacing:4px;margin-bottom:10px}
  .tf-wrap{flex-direction:row;gap:60px;align-items:center;padding:0}
  .tf-visual{display:block;position:relative;flex:none;width:52%;padding:0 24px 24px 0}
  .tf-stage-imgs{position:relative;height:460px;overflow:hidden}
  .tf-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .55s ease}
  .tf-img.is-active{opacity:1}
  .tf-visual .gold-frame{top:24px;left:24px;right:0;bottom:0}
  .tf-badge{display:block;position:absolute;top:20px;left:20px;z-index:2}
  .tf-progress{position:absolute;left:24px;right:0;bottom:2px;height:2px;background:rgba(34,30,27,.1);z-index:2}
  .tf-progress span{display:block;height:100%;width:0;background:var(--red);transition:width .3s ease}
  .tf-steps{flex:1;padding-top:4px}
  .tf-step{padding:20px 18px;border-bottom:1px solid var(--line);cursor:pointer;transition:background .3s,padding-left .3s}
  .tf-step.is-active{background:var(--surface)}
  .tf-step.is-active{padding-left:24px}
  .tf-step b{font-size:17px}
  .tf-step h4{font-size:16px}
  .tf-step p{font-size:12.5px}
  .tf-hint{display:block;text-align:center;margin-top:30px;font-size:11px;letter-spacing:3px;color:var(--t3);transition:opacity .4s}
  .tf-hint.done{opacity:0}
  /* 精选双卡并排 */
  .case-feature-row{flex-direction:row;gap:18px;margin-bottom:18px}
  .case-feature{flex:1}
  .case-feature-img{height:400px}
  .case-feature-info{padding:52px 26px 22px}
  .case-feature-info h3{font-size:22px}
  .case-feature-info p{font-size:13px}
  .cases-deco-pattern{opacity:.4}
  /* hero 圆点桌面位置 */
  .hero-dots{left:80px;bottom:34px}
  /* 案例详情桌面 */
  .case-carousel-track{height:540px}
  .case-thumb{width:88px;height:60px}
  .carousel-arrow{width:48px;height:48px;font-size:26px}
  .more-cases-head{margin-bottom:34px}
}

/* ============================================================
   品牌露出强化：照片水印 / Hero角标 / 眉标品牌符号
   （占位用矢量标；真实logo回图后替换 partials/wm.ejs 与 favicon 即可）
============================================================ */
.case-img,.voice-photo,.case-slide{position:relative}
.brand-wm{position:absolute;right:10px;bottom:10px;z-index:2;display:flex;align-items:center;gap:6px;pointer-events:none;opacity:.78;filter:drop-shadow(0 1px 5px rgba(0,0,0,.55))}
.brand-wm .wm-mark{position:relative;width:16px;height:16px;flex:none;display:block}
.brand-wm .wm-mark::before{content:"";position:absolute;inset:2px;border:1px solid #fff;transform:rotate(45deg)}
.brand-wm .wm-mark b{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:8px;color:#fff;font-weight:600}
.brand-wm em{font-style:normal;font-size:9.5px;letter-spacing:1.5px;color:#fff;white-space:nowrap}
.ceremony-item .brand-wm{bottom:34px}
.case-feature .brand-wm{right:14px;bottom:14px}
.case-feature-img{position:relative}
.case-feature .brand-wm{z-index:3}

.hero-wm{position:absolute;top:76px;right:22px;z-index:2;width:34px;height:34px;opacity:.5;pointer-events:none}
.hero-wm i{position:absolute;inset:4px;border:1px solid #fff;transform:rotate(45deg);display:block}
.hero-wm b{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:13px;color:#fff;font-weight:600}

.eyebrow{display:flex;align-items:center;gap:7px}
.eyebrow::before{content:"";width:6px;height:6px;background:var(--gold);transform:rotate(45deg);flex:none;opacity:.85}
.story-quote::before{content:"◆"}
@media (min-width:1024px){
  .hero-wm{top:auto;bottom:34px;right:80px;width:40px;height:40px}
  .hero-chip{bottom:150px}
  .brand-wm em{font-size:10.5px}
  .brand-wm .wm-mark{width:18px;height:18px}
}