:root{
  --bg:#10100f;
  --bg-2:#171715;
  --surface:#1e1e1b;
  --surface-2:#262622;
  --text:#f4f1e9;
  --muted:#aaa79d;
  --line:rgba(244,241,233,.14);
  --accent:#e9b96e;
  --accent-soft:#f2d6a6;
  --green:#9fc3a6;
  --radius:18px;
  --shadow:0 22px 60px rgba(0,0,0,.24);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-snap-type:y proximity}
section[id]{scroll-margin-top:86px}
body{margin:0;color:var(--text);background:var(--bg);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7}
a{color:inherit;text-decoration:none}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{line-height:1.2;letter-spacing:-.02em}
button,input,select,textarea{font:inherit}
.skip-link{position:fixed;left:18px;top:-60px;z-index:100;padding:10px 14px;border-radius:8px;background:var(--accent);color:#24190a;font-weight:700;transition:top .2s}
.skip-link:focus{top:18px}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

/* 顶部导航 */
.nav{position:sticky;top:0;z-index:50;background:rgba(16,16,15,.88);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1180px;margin:0 auto;padding:16px 26px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;min-width:max-content}
.brand-mark{width:39px;height:39px;display:grid;place-items:center;border:1px solid rgba(233,185,110,.55);border-radius:12px;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.08em}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text b{font-size:17px}
.brand-text small{margin-top:4px;color:var(--muted);font-size:10px;letter-spacing:.08em}
.nav-links{display:flex;align-items:center;gap:26px;color:var(--muted);font-size:14px}
.nav-links a:hover{color:var(--text)}
.nav-cta{padding:8px 16px;border:1px solid rgba(233,185,110,.62);border-radius:999px;color:var(--accent)!important}
.nav-cta:hover{background:rgba(233,185,110,.12)}

/* 页面章节导航 */
.page-rail{position:fixed;right:24px;top:50%;z-index:20;display:flex;flex-direction:column;gap:13px;transform:translateY(-50%)}
.page-rail a{display:flex;align-items:center;gap:8px;color:rgba(244,241,233,.35);font-size:10px;letter-spacing:.08em;transition:color .2s}
.page-rail a i{display:block;width:7px;height:7px;border:1px solid currentColor;border-radius:50%;transition:transform .2s,background .2s}
.page-rail a span{order:-1;opacity:0;transform:translateX(6px);transition:opacity .2s,transform .2s}
.page-rail a:hover,.page-rail a.is-active{color:var(--accent)}
.page-rail a.is-active i{background:currentColor;transform:scale(1.3)}
.page-rail a:hover span,.page-rail a.is-active span{opacity:1;transform:translateX(0)}

/* 主视觉 */
.hero{position:relative;min-height:650px;display:grid;place-items:center;overflow:hidden;border-bottom:1px solid var(--line);background:radial-gradient(circle at 74% 30%,rgba(233,185,110,.14),transparent 28%),radial-gradient(circle at 20% 80%,rgba(159,195,166,.08),transparent 27%)}
.hero-inner{position:relative;z-index:1;width:min(940px,100%);padding:112px 26px 96px}
.eyebrow{margin:0 0 18px;color:var(--accent);font-size:11px;font-weight:700;letter-spacing:.2em}
.hero h1{max-width:850px;font-size:clamp(40px,7vw,78px);font-weight:700}
.hero h1 span{color:var(--accent-soft)}
.hero-copy{max-width:650px;margin:24px 0 30px;color:var(--muted);font-size:17px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:11px 20px;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:transform .2s,background .2s,border-color .2s}
.button:hover{transform:translateY(-2px)}
.button-primary{background:var(--accent);color:#21190e;font-weight:700}
.button-primary:hover{background:var(--accent-soft)}
.button-quiet{border-color:var(--line);color:var(--text)}
.button-quiet:hover{border-color:var(--accent);color:var(--accent)}
.hero-points{display:flex;flex-wrap:wrap;gap:11px;margin-top:48px;color:var(--muted);font-size:12px}
.hero-points span{padding:7px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.025)}
.scroll-hint{display:inline-flex;align-items:center;gap:12px;position:absolute;bottom:28px;left:26px;color:var(--muted);font-size:11px;letter-spacing:.12em}
.scroll-hint i{position:relative;width:28px;height:1px;background:var(--accent)}
.scroll-hint i::after{content:"";position:absolute;right:0;top:-3px;width:6px;height:6px;border-right:1px solid var(--accent);border-bottom:1px solid var(--accent);transform:rotate(45deg)}
.scroll-panel{scroll-snap-align:start}
.hero-orbit{position:absolute;border:1px solid rgba(233,185,110,.2);border-radius:50%;pointer-events:none}
.orbit-one{width:460px;height:460px;right:-125px;top:-80px}
.orbit-two{width:700px;height:700px;right:-230px;top:-200px;border-color:rgba(233,185,110,.1)}

/* 通用区块 */
.section{max-width:1180px;margin:0 auto;padding:100px 26px}
.section-soft{max-width:none;padding-left:max(26px,calc((100% - 1180px)/2 + 26px));padding-right:max(26px,calc((100% - 1180px)/2 + 26px));background:var(--bg-2);border-top:1px solid rgba(244,241,233,.06);border-bottom:1px solid rgba(244,241,233,.06)}
.section-heading{max-width:650px;margin:0 auto 48px;text-align:center}
.section-heading h2,.details-grid h2,.about-card h2{font-size:clamp(30px,4vw,46px);margin-bottom:14px}
.section-heading>p:not(.scroll-caption),.muted-copy{color:var(--muted)}
.left-heading{text-align:left;margin-left:0;margin-right:0}
.scroll-caption{display:inline-flex;gap:9px;align-items:center;margin:18px 0 0!important;color:var(--accent)!important;font-size:11px!important;letter-spacing:.1em}

/* 滚动进入时的层次动画 */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.75,.25,1);transition-delay:var(--reveal-delay,0ms)}
.reveal.is-visible{opacity:1;transform:none}

/* 服务 */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service-card{min-height:340px;padding:28px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);transition:transform .2s,border-color .2s,background .2s}
.service-card:hover{transform:translateY(-5px);border-color:rgba(233,185,110,.62);background:var(--surface-2)}
.service-card-featured{background:linear-gradient(145deg,rgba(233,185,110,.17),var(--surface) 55%)}
.service-number{margin-bottom:46px;color:var(--accent);font-size:12px;letter-spacing:.16em}
.service-card h3{font-size:25px;margin-bottom:12px}
.service-card p{min-height:78px;color:var(--muted);font-size:14px}
.service-card ul{margin:22px 0 0;padding:18px 0 0;list-style:none;border-top:1px solid var(--line);color:var(--accent-soft);font-size:13px}
.service-card li{margin:7px 0}
.service-card li::before{content:"—";margin-right:8px;color:var(--accent)}

@media(min-width:841px){
  .service-grid{display:flex;overflow-x:auto;gap:18px;padding:3px 2px 18px;scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:rgba(233,185,110,.7) transparent}
  .service-card{flex:0 0 37%;scroll-snap-align:start}
  .service-grid::-webkit-scrollbar{height:5px}
  .service-grid::-webkit-scrollbar-track{background:transparent}
  .service-grid::-webkit-scrollbar-thumb{background:rgba(233,185,110,.65);border-radius:999px}
}

/* 作品说明 */
.portfolio-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;align-items:center}
.portfolio-layout h2{max-width:500px;font-size:clamp(30px,4vw,46px)}
.portfolio-layout .muted-copy{max-width:510px;font-size:15px}
.text-link{display:inline-flex;gap:9px;margin-top:14px;color:var(--accent);font-weight:700;font-size:14px}
.text-link:hover{text-decoration:underline;text-underline-offset:5px}
.sample-board{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:170px 170px;gap:12px}
.sample-tile{position:relative;display:flex;flex-direction:column;justify-content:flex-end;padding:20px;overflow:hidden;border-radius:15px}
.sample-tile::after{content:"";position:absolute;inset:20% -15% -30%;border:1px solid currentColor;border-radius:50%;opacity:.22;transform:rotate(-18deg)}
.sample-tile span{position:relative;z-index:1;font-size:10px;letter-spacing:.16em;opacity:.7}
.sample-tile b{position:relative;z-index:1;margin-top:6px;font-size:21px}
.tile-dark{color:#f7e8cb;background:linear-gradient(145deg,#35302a,#1f1d1a)}
.tile-light{color:#211c15;background:linear-gradient(145deg,#e7c795,#b98c53)}
.tile-line{grid-column:1 / -1;color:#d7e4d5;background:linear-gradient(145deg,#2c3930,#1a231d)}

/* 合作流程 */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.process-step{padding:26px 22px 10px;border-right:1px solid var(--line)}
.process-step:last-child{border-right:0}
.process-step>span{color:var(--accent);font-size:12px;letter-spacing:.14em}
.process-step h3{margin:26px 0 10px;font-size:20px}
.process-step p{margin:0;color:var(--muted);font-size:14px}

/* 项目说明 */
.details-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:start}
.notes-list{border-top:1px solid var(--line)}
.notes-list>div{display:grid;grid-template-columns:100px 1fr;gap:26px;padding:20px 0;border-bottom:1px solid var(--line)}
.notes-list b{color:var(--accent-soft)}
.notes-list p{margin:0;color:var(--muted);font-size:14px}

/* 关于 */
.about-card{display:grid;grid-template-columns:170px 1fr;gap:44px;align-items:start;padding:42px;background:linear-gradient(145deg,rgba(159,195,166,.12),var(--surface));border:1px solid var(--line);border-radius:var(--radius)}
.about-monogram{width:132px;height:132px;display:grid;place-items:center;border:1px solid rgba(233,185,110,.55);border-radius:50%;color:var(--accent);font-size:48px}
.about-card p{max-width:680px;color:var(--muted);font-size:15px}

/* 联系 */
.contact-section{padding-bottom:115px}
.contact-layout{display:grid;grid-template-columns:1fr .7fr;gap:60px;align-items:start}
.inquiry-form{display:flex;flex-direction:column;gap:16px;padding:28px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.inquiry-form label{display:flex;flex-direction:column;gap:7px;color:var(--muted);font-size:13px}
.inquiry-form input,.inquiry-form select,.inquiry-form textarea{width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:10px;background:#141412;color:var(--text);font-size:15px;resize:vertical}
.inquiry-form input::placeholder,.inquiry-form textarea::placeholder{color:#6f6d66}
.inquiry-form input:focus,.inquiry-form select:focus,.inquiry-form textarea:focus{outline:none;border-color:var(--accent)}
.inquiry-form select{appearance:auto}
.form-tip{min-height:22px;margin:0;color:var(--green);font-size:13px}
.contact-aside{padding-top:8px}
.contact-block{padding:0 0 19px;margin:0 0 19px;border-bottom:1px solid var(--line)}
.contact-block span{display:block;margin-bottom:6px;color:var(--muted);font-size:12px;letter-spacing:.08em}
.contact-block a{color:var(--accent-soft);font-size:18px}
.contact-block a:hover{text-decoration:underline;text-underline-offset:4px}
.contact-block p{margin:0;color:var(--text)}
.contact-callout{padding:20px;border-left:3px solid var(--accent);background:rgba(233,185,110,.08)}
.contact-callout b{color:var(--accent-soft)}
.contact-callout p{margin:8px 0 0;color:var(--muted);font-size:13px}

/* 服务详情页 */
.detail-page{max-width:900px;margin:0 auto;padding:70px 26px 110px}
.back-link{display:inline-block;margin-bottom:24px;color:var(--accent);font-size:14px}
.back-link:hover{text-decoration:underline;text-underline-offset:4px}
.detail-card{padding:46px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.detail-card h1{max-width:730px;font-size:clamp(36px,6vw,64px);margin-bottom:18px}
.detail-lead{max-width:700px;color:var(--muted);font-size:17px}
.detail-body{max-width:730px;margin:38px 0 34px;border-top:1px solid var(--line)}
.detail-body h2{margin:30px 0 10px;font-size:24px;color:var(--accent-soft)}
.detail-body p{color:var(--muted);font-size:15px}
.detail-body a{color:var(--accent-soft);text-decoration:underline;text-underline-offset:4px}
.detail-note{padding:16px 18px;border-left:3px solid var(--green);background:rgba(159,195,166,.08);color:var(--text)!important}

/* 联系完成页 */
.thank-page{max-width:620px;margin:0 auto;padding:150px 26px;text-align:center}
.thank-mark{width:76px;height:76px;display:grid;place-items:center;margin:0 auto 24px;border:1px solid rgba(233,185,110,.65);border-radius:50%;color:var(--accent);font-size:34px}
.thank-page h1{font-size:clamp(36px,6vw,58px)}
.thank-page>p:not(.eyebrow){margin:18px auto 30px;color:var(--muted);font-size:16px}
.thank-page a:not(.button){color:var(--accent-soft);text-decoration:underline;text-underline-offset:4px}

/* 页脚 */
.footer{border-top:1px solid var(--line);background:#0c0c0b}
.footer-inner{max-width:1180px;margin:0 auto;padding:30px 26px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;color:var(--muted);font-size:12px}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700}
.footer-brand .brand-mark{width:30px;height:30px;border-radius:9px;font-size:9px}
.footer-inner p{margin:0;text-align:center}
.footer-links{display:flex;flex-wrap:wrap;gap:14px}
.footer-links a:hover{color:var(--accent)}
.footer-meta{display:flex;gap:16px;flex-wrap:wrap}
.filing-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px;color:var(--muted);font-size:11px;line-height:1.5}
.filing-links a{color:inherit;text-decoration:none}
.filing-links a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}

@media(max-width:840px){
  html{scroll-snap-type:none}
  .page-rail{display:none}
  .nav-inner{padding-left:18px;padding-right:18px}
  .nav-links{gap:13px}
  .nav-links a:not(.nav-cta){display:none}
  .section{padding-top:76px;padding-bottom:76px}
  .service-grid,.process-grid{grid-template-columns:1fr 1fr}
  .process-step:nth-child(2){border-right:0}
  .process-step:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .portfolio-layout,.details-grid,.contact-layout{grid-template-columns:1fr;gap:38px}
  .about-card{grid-template-columns:110px 1fr;gap:28px}
  .about-monogram{width:100px;height:100px;font-size:36px}
}
@media(max-width:560px){
  .hero-inner{padding-top:82px;padding-bottom:72px}
  .hero h1{font-size:42px}
  .hero-copy{font-size:15px}
  .service-grid,.process-grid{grid-template-columns:1fr}
  .process-step,.process-step:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}
  .process-step:last-child{border-bottom:0}
  .sample-board{grid-template-rows:140px 140px}
  .about-card{grid-template-columns:1fr}
  .about-monogram{width:86px;height:86px;font-size:30px}
  .notes-list>div{grid-template-columns:80px 1fr;gap:14px}
  .detail-card{padding:28px 22px}
  .footer-inner{align-items:flex-start;flex-direction:column}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .button,.service-card,.page-rail a i,.page-rail a span{transition:none}
}

/* ===== 全屏幻灯片式首页 ===== */
.slide-body{height:100vh;overflow:hidden;background:#0b1228;--bg:#0b1228;--bg-2:#111b3a;--surface:rgba(9,18,43,.72);--surface-2:rgba(18,32,67,.78);--text:#f7f9ff;--muted:rgba(235,241,255,.76);--line:rgba(255,255,255,.2);--accent:#ffd166;--accent-soft:#ffe7a6;--green:#a9f0d0}
.slide-body .skip-link{z-index:90}
.deck-topbar{position:fixed;top:0;left:0;right:0;z-index:60;display:flex;align-items:center;justify-content:space-between;padding:20px max(26px,calc((100% - 1240px)/2 + 26px));pointer-events:none;background:linear-gradient(180deg,rgba(16,16,15,.92),rgba(16,16,15,0))}
.deck-topbar>*{pointer-events:auto}
.deck-brand{display:flex;align-items:center;gap:11px;color:var(--text)}
.deck-brand>span:last-child{display:flex;flex-direction:column;line-height:1.1}
.deck-brand b{font-size:16px}
.deck-brand small{margin-top:4px;color:var(--muted);font-size:9px;letter-spacing:.16em}
.deck-mark{width:38px;height:38px;display:grid;place-items:center;border:1px solid rgba(233,185,110,.65);border-radius:12px;color:var(--accent);font-size:11px;font-weight:800;letter-spacing:.1em}
.deck-counter{display:flex;align-items:baseline;gap:5px;margin-left:auto;margin-right:26px;color:var(--muted);font-size:12px}
.deck-counter b{color:var(--accent);font-size:19px}
.deck-actions{display:flex;gap:6px}
.deck-actions button{width:38px;height:34px;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.04);color:var(--text);font-size:18px;cursor:pointer;transition:.2s}
.deck-actions button:hover{border-color:var(--accent);color:var(--accent)}
.deck-dots{position:fixed;right:26px;top:50%;z-index:55;display:flex;flex-direction:column;gap:15px;transform:translateY(-50%)}
.deck-dots button{display:flex;align-items:center;gap:9px;padding:0;border:0;background:none;color:rgba(244,241,233,.35);cursor:pointer;font-size:10px;letter-spacing:.1em}
.deck-dots button span{order:-1;opacity:0;transform:translateX(5px);transition:.2s}
.deck-dots button i{display:block;width:8px;height:8px;border:1px solid currentColor;border-radius:50%;transition:.2s}
.deck-dots button:hover,.deck-dots button.is-active{color:var(--accent)}
.deck-dots button:hover span,.deck-dots button.is-active span{opacity:1;transform:none}
.deck-dots button.is-active i{background:currentColor;transform:scale(1.35)}
.slide-deck{height:100vh;overflow-y:auto;overflow-x:hidden;scroll-snap-type:y mandatory;scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:rgba(233,185,110,.7) transparent}
.slide-deck:focus{outline:none}
.slide-deck::-webkit-scrollbar{width:6px}
.slide-deck::-webkit-scrollbar-track{background:transparent}
.slide-deck::-webkit-scrollbar-thumb{background:rgba(233,185,110,.65);border-radius:999px}
.slide{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;padding:104px max(70px,calc((100% - 1240px)/2 + 70px)) 72px;overflow:hidden;scroll-snap-align:start;scroll-snap-stop:always}
.slide::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);background-size:80px 80px;mask-image:linear-gradient(90deg,#000,transparent 76%);opacity:.46}
.slide::after{content:"";position:absolute;inset:-12%;pointer-events:none;z-index:0;filter:blur(18px);opacity:.82;mix-blend-mode:screen}
.slide:nth-child(even){background:#141412}
.slide:nth-child(odd){background:#10100f}
.slide-intro{background:radial-gradient(circle at 84% 18%,rgba(255,78,172,.5),transparent 27%),radial-gradient(circle at 16% 82%,rgba(26,211,255,.32),transparent 29%),linear-gradient(135deg,#101b45 0%,#25124d 54%,#0b2741 100%)}
.slide-intro::after{background:radial-gradient(circle at 70% 70%,rgba(255,196,91,.28),transparent 21%),radial-gradient(circle at 20% 15%,rgba(111,75,255,.42),transparent 28%)}
.slide-photo{background:radial-gradient(circle at 14% 22%,rgba(24,222,205,.4),transparent 25%),radial-gradient(circle at 89% 79%,rgba(56,116,255,.44),transparent 31%),linear-gradient(135deg,#082f42 0%,#102052 58%,#24134b 100%)}
.slide-photo::after{background:radial-gradient(circle at 78% 18%,rgba(255,103,176,.34),transparent 22%),radial-gradient(circle at 36% 82%,rgba(255,205,85,.23),transparent 18%)}
.slide-design{background:radial-gradient(circle at 83% 20%,rgba(255,76,132,.46),transparent 27%),radial-gradient(circle at 16% 86%,rgba(143,88,255,.42),transparent 30%),linear-gradient(135deg,#311443 0%,#271b58 58%,#0f3160 100%)}
.slide-design::after{background:radial-gradient(circle at 55% 46%,rgba(255,191,87,.22),transparent 23%),radial-gradient(circle at 93% 88%,rgba(22,215,210,.28),transparent 20%)}
.slide-fit{background:radial-gradient(circle at 13% 21%,rgba(50,226,168,.35),transparent 27%),radial-gradient(circle at 86% 82%,rgba(39,131,255,.4),transparent 31%),linear-gradient(135deg,#082c3b 0%,#102a4e 56%,#172044 100%)}
.slide-fit::after{background:radial-gradient(circle at 73% 18%,rgba(255,206,88,.3),transparent 22%),radial-gradient(circle at 24% 82%,rgba(218,70,255,.26),transparent 20%)}
.slide-process{background:radial-gradient(circle at 84% 17%,rgba(102,91,255,.52),transparent 29%),radial-gradient(circle at 15% 88%,rgba(19,207,226,.3),transparent 29%),linear-gradient(135deg,#111a4c 0%,#1b1858 53%,#0c3c5b 100%)}
.slide-process::after{background:radial-gradient(circle at 56% 62%,rgba(255,95,161,.26),transparent 21%),radial-gradient(circle at 94% 86%,rgba(255,207,88,.24),transparent 18%)}
.slide-contact{background:radial-gradient(circle at 16% 18%,rgba(255,114,163,.4),transparent 26%),radial-gradient(circle at 88% 82%,rgba(38,207,231,.38),transparent 31%),linear-gradient(135deg,#2b1645 0%,#10234d 57%,#073c50 100%)}
.slide-contact::after{background:radial-gradient(circle at 78% 17%,rgba(255,204,91,.3),transparent 20%),radial-gradient(circle at 32% 80%,rgba(126,86,255,.33),transparent 25%)}
.slide-inner{position:relative;z-index:1;width:min(1080px,100%);margin:0 auto}
.intro-layout,.split-layout,.fit-layout,.process-layout,.contact-slide-layout{display:grid;grid-template-columns:1fr 1fr;gap:82px;align-items:center}
.slide-copy{max-width:520px}
.slide-kicker{margin:0 0 24px;color:var(--accent);font-size:11px;font-weight:700;letter-spacing:.2em}
.slide h1,.slide h2{margin:0 0 22px;color:var(--text);font-size:clamp(44px,6.7vw,84px);font-weight:700;line-height:1.03;letter-spacing:-.055em}
.slide h2{font-size:clamp(40px,5.5vw,70px)}
.slide h1 em,.slide h2 em{color:var(--accent-soft);font-style:normal}
.slide-lead{max-width:520px;margin:0;color:var(--muted);font-size:16px;line-height:1.85}
.slide-link{display:inline-flex;gap:10px;align-items:center;margin-top:32px;padding:0;border:0;background:none;color:var(--accent-soft);font-weight:700;cursor:pointer;font-size:14px}
.slide-link span{transition:transform .2s}
.slide-link:hover span{transform:translate(4px,-3px)}
.slide-list{display:grid;gap:9px;margin:27px 0 0;padding:20px 0 0;border-top:1px solid var(--line);list-style:none;color:var(--accent-soft);font-size:14px}
.slide-list li::before{content:"—";margin-right:9px;color:var(--accent)}
.slide-footnote{position:absolute;left:max(26px,calc((100% - 1240px)/2 + 26px));bottom:27px;color:var(--muted);font-size:10px;letter-spacing:.13em}

/* 幻灯片视觉构成：抽象图形只用于页面视觉，不冒充客户作品 */
.art{position:relative;min-height:480px}
.art-label{position:absolute;color:var(--muted);font-size:10px;letter-spacing:.18em}
.art-intro{display:grid;place-items:center}
.art-circle{position:absolute;width:min(37vw,400px);height:min(37vw,400px);border-radius:50%;background:radial-gradient(circle at 34% 30%,#eacb93,#a36e3e 42%,#37302a 72%,transparent 73%);filter:saturate(.75)}
.art-frame{position:relative;width:62%;height:70%;display:grid;place-items:center;border:1px solid rgba(244,241,233,.65);background:rgba(16,16,15,.16);transform:rotate(7deg)}
.art-frame::before{content:"";position:absolute;inset:16px;border:1px solid rgba(244,241,233,.25)}
.art-frame span{position:relative;color:var(--text);font-size:clamp(22px,3vw,40px);font-weight:700;line-height:1.02;letter-spacing:.08em}
.label-top{top:41px;right:5px}.label-bottom{bottom:45px;left:10px;color:var(--accent)}
.art-photo{min-height:470px;background:linear-gradient(130deg,rgba(233,185,110,.12),transparent 35%)}
.photo-grid-lines{position:absolute;inset:8% 6%;background-image:linear-gradient(rgba(244,241,233,.13) 1px,transparent 1px),linear-gradient(90deg,rgba(244,241,233,.13) 1px,transparent 1px);background-size:33.333% 33.333%;border:1px solid var(--line)}
.photo-shadow{position:absolute;width:63%;height:24%;left:17%;bottom:17%;border-radius:50%;background:rgba(0,0,0,.45);filter:blur(18px);transform:rotate(-12deg)}
.photo-object{position:absolute;left:27%;top:24%;width:42%;height:44%;display:grid;place-items:center;background:linear-gradient(145deg,#e6c187,#9c6737);box-shadow:20px 28px 0 rgba(0,0,0,.17);transform:rotate(-9deg)}
.photo-object::before{content:"";position:absolute;inset:14px;border:1px solid rgba(33,25,14,.48)}
.photo-object span{position:relative;color:#271d12;font-size:18px;font-weight:700;line-height:1.05;letter-spacing:.08em}
.photo-orb{position:absolute;right:9%;top:15%;width:78px;height:78px;border-radius:50%;border:1px solid var(--accent);background:rgba(233,185,110,.12)}
.photo-label{right:9%;bottom:8%;color:var(--accent)}

.design-layout{grid-template-columns:1.06fr .94fr}
.art-design{min-height:470px}
.design-sheet{position:absolute;display:flex;flex-direction:column;padding:22px;color:#1e1911;box-shadow:15px 22px 35px rgba(0,0,0,.2)}
.sheet-back{left:7%;top:11%;width:56%;height:71%;justify-content:flex-start;background:#b9cebc;transform:rotate(-9deg);font-size:16px;line-height:1.15;letter-spacing:.18em}
.sheet-front{right:9%;top:18%;width:59%;height:68%;justify-content:space-between;background:#e2ba7a;transform:rotate(7deg)}
.sheet-front small{font-size:10px;letter-spacing:.15em}.sheet-front b{font-size:clamp(32px,4.4vw,60px);line-height:.88;letter-spacing:-.06em}.sheet-front i{width:55%;height:8px;background:#1e1911}
.design-chip{position:absolute;left:12%;bottom:10%;padding:11px 14px;background:#1e1911;color:var(--accent-soft);font-size:12px;letter-spacing:.16em;transform:rotate(-5deg)}

.fit-layout{grid-template-columns:.9fr 1.1fr}
.fit-stack{position:relative;min-height:450px}
.fit-card{position:absolute;width:67%;min-height:165px;padding:23px 25px;border:1px solid var(--line);border-radius:13px;background:var(--surface);box-shadow:18px 20px 38px rgba(0,0,0,.2)}
.fit-card span{color:var(--accent);font-size:11px;letter-spacing:.15em}.fit-card b{display:block;margin-top:19px;color:var(--text);font-size:21px}.fit-card p{margin:4px 0 0;color:var(--muted);font-size:13px}
.fit-card-a{top:2%;left:2%;transform:rotate(-6deg);background:#29241d}.fit-card-b{top:29%;right:0;transform:rotate(5deg);background:#d7b173;color:#20170e}.fit-card-b b{color:#20170e}.fit-card-b p{color:#5c4426}.fit-card-c{bottom:1%;left:9%;transform:rotate(-2deg);background:#253128}.fit-card-c b{color:#dcebdc}

.process-layout{grid-template-columns:.9fr 1.1fr}
.process-list{border-top:1px solid var(--line)}
.process-list>div{display:grid;grid-template-columns:54px 1fr;column-gap:14px;padding:21px 0;border-bottom:1px solid var(--line)}
.process-list span{grid-row:span 2;color:var(--accent);font-size:11px;letter-spacing:.1em}.process-list b{font-size:19px}.process-list p{margin:4px 0 0;color:var(--muted);font-size:13px}

.contact-slide-layout{grid-template-columns:.9fr 1.1fr}
.contact-direct{display:grid;gap:5px;margin-top:29px}.contact-direct a{color:var(--accent-soft);font-size:17px}.contact-direct a:hover{text-decoration:underline;text-underline-offset:4px}
.legal-links{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px;color:var(--muted);font-size:12px}.legal-links a:hover{color:var(--accent)}
.slide-form{display:flex;flex-direction:column;gap:13px;padding:26px;background:rgba(7,16,40,.74);border:1px solid rgba(255,255,255,.28);border-radius:16px;box-shadow:0 24px 70px rgba(1,8,30,.28);backdrop-filter:blur(16px)}
.slide-form label{display:flex;flex-direction:column;gap:5px;color:var(--muted);font-size:12px}.slide-form input,.slide-form select,.slide-form textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:8px;background:rgba(10,25,56,.82);color:var(--text);font-size:14px}.slide-form input:focus,.slide-form select:focus,.slide-form textarea:focus{outline:none;border-color:var(--accent)}.slide-form textarea{resize:vertical}.slide-form input::placeholder,.slide-form textarea::placeholder{color:rgba(235,241,255,.48)}
.slide-submit{min-height:46px;margin-top:3px;border:0;border-radius:999px;background:var(--accent);color:#21190e;font-weight:700;cursor:pointer;transition:.2s}.slide-submit:hover{background:var(--accent-soft);transform:translateY(-2px)}
.slide-form .form-tip{min-height:20px;margin:0;color:var(--green);font-size:12px}

.slide.is-current .slide-copy{animation:deck-copy-in .7s both}.slide.is-current .art,.slide.is-current .fit-stack,.slide.is-current .process-list,.slide.is-current .slide-form{animation:deck-art-in .85s .08s both}
@keyframes deck-copy-in{from{opacity:.2;transform:translateY(22px)}to{opacity:1;transform:none}}
@keyframes deck-art-in{from{opacity:.2;transform:translateX(24px)}to{opacity:1;transform:none}}

@media(max-width:900px){
  .slide{padding-left:32px;padding-right:70px}
  .intro-layout,.split-layout,.fit-layout,.process-layout,.contact-slide-layout{gap:38px}
  .art{min-height:380px}.art-circle{width:330px;height:330px}
  .deck-dots{right:14px}
}
@media(max-width:680px){
  .slide-body{overflow:hidden}
  .deck-topbar{padding:15px 17px}.deck-counter{margin-right:10px}.deck-actions{display:none}.deck-brand small{display:none}.deck-mark{width:33px;height:33px}
  .slide{display:block;padding:94px 48px 50px 22px;overflow-y:auto}
  .slide-inner{min-height:calc(100svh - 144px);display:flex;flex-direction:column;justify-content:center}
  .intro-layout,.split-layout,.fit-layout,.process-layout,.contact-slide-layout{display:flex;flex-direction:column;gap:28px;align-items:stretch}
  .slide h1,.slide h2{font-size:48px}.slide-lead{font-size:14px}.slide-copy{max-width:none}.art,.art-photo,.art-design,.fit-stack{min-height:290px}.art-circle{width:240px;height:240px}.art-frame{height:85%;width:55%}.photo-object{top:17%;height:52%}.fit-stack{width:100%}.fit-card{min-height:120px;width:72%;padding:17px}.fit-card b{margin-top:9px;font-size:17px}.fit-card p{font-size:12px}.process-list{margin-top:0}.slide-form{padding:19px}.slide-footnote{display:none}.deck-dots{right:12px;gap:11px}.deck-dots button span{display:none}.deck-dots button i{width:6px;height:6px}
}
@media(prefers-reduced-motion:reduce){
  .slide-deck{scroll-behavior:auto}.slide.is-current .slide-copy,.slide.is-current .art,.slide.is-current .fit-stack,.slide.is-current .process-list,.slide.is-current .slide-form{animation:none}
}