/* ═══════════════════════════════════════════════
   聂昕 · 南闲 — Portfolio v3
   Light Theme · Warm Ivory · Gold Accent
   ═══════════════════════════════════════════════ */

:root {
  --bg:#f8f5ef;--bg-white:#ffffff;--bg-warm:#f1ece2;--bg-dark:#0e1820;--bg-dark-2:#13222a;--bg-card:#ffffff;
  --gold:#c9a24e;--gold-bright:#e8b94a;--gold-subtle:rgba(201,162,78,.1);--gold-line:rgba(201,162,78,.3);
  --teal:#267a6e;--teal-light:#3ba89a;--teal-bg:#1b5c54;
  --coral:#d4634e;
  --ink:#1a2024;--ink-2:#2e3d42;--text-sec:#5a6c6c;--text-ter:#8a9494;
  --text-on-dark:#eae6de;--text-on-dark-2:rgba(234,230,222,.65);--text-on-dark-3:rgba(234,230,222,.4);
  --border:#e5e0d6;--border-light:#ede9e0;--border-dark:rgba(255,255,255,.1);
  --max-w:1160px;--section-pad:clamp(80px,11vh,130px);
  --ease-out:cubic-bezier(.16,1,.3,1);--ease-spring:cubic-bezier(.34,1.56,.64,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px;-webkit-font-smoothing:antialiased}
body{font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei','Hiragino Sans GB','Segoe UI',Arial,sans-serif;font-size:16px;line-height:1.7;color:var(--ink);background:var(--bg);overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
a:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:2px}
.skip-link{position:fixed;left:16px;top:-80px;z-index:200;padding:10px 16px;background:var(--gold);color:#fff;border-radius:6px;font-weight:700;font-size:14px}
.skip-link:focus{top:16px}
.wrap{width:min(var(--max-w),calc(100% - 48px));margin-inline:auto}
.section{padding-block:var(--section-pad)}

/* Reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .65s var(--ease-out),transform .65s var(--ease-out)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-d1{transition-delay:.08s}.reveal-d2{transition-delay:.16s}.reveal-d3{transition-delay:.24s}.reveal-d4{transition-delay:.32s}.reveal-d5{transition-delay:.4s}

/* ── HEADER ── */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(248,245,239,.85);border-bottom:1px solid transparent;backdrop-filter:blur(18px) saturate(1.3);-webkit-backdrop-filter:blur(18px) saturate(1.3);transition:border-color .3s}
.site-header.scrolled{border-bottom-color:var(--border)}
.nav{position:relative;min-height:68px;display:flex;align-items:center;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:15px;white-space:nowrap}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;background:var(--bg-dark);color:var(--gold-bright);border-radius:7px;font-size:11px;font-weight:900}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav-links a{min-height:40px;display:inline-flex;align-items:center;padding:0 12px;color:var(--text-sec);font-size:13px;font-weight:500;border-radius:6px;transition:color .2s,background .2s}
.nav-links a:hover{color:var(--ink);background:rgba(0,0,0,.04)}
.nav-links a.active{color:var(--teal);font-weight:600}
.nav-resume{min-height:38px;display:inline-flex;align-items:center;padding:0 16px;margin-left:6px;background:var(--bg-dark);color:var(--text-on-dark);border-radius:7px;font-size:13px;font-weight:700;transition:transform .2s var(--ease-spring),box-shadow .2s}
.nav-resume:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(14,24,32,.2)}
.nav-menu-toggle{display:none;width:42px;height:42px;padding:0;border:1px solid var(--border);border-radius:7px;background:var(--bg-white);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.nav-menu-toggle span{display:block;width:17px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s,opacity .2s}
.nav-menu-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-menu-toggle.is-open span:nth-child(2){opacity:0}
.nav-menu-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ── HERO (Strict Top-Aligned 48:52 Ratio) ── */
.hero{position:relative;padding:120px 0 50px;background:var(--bg);overflow:hidden}
.hero::before{content:'';position:absolute;top:-200px;right:-100px;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(201,162,78,.07),transparent 70%);pointer-events:none}

.hero-layout{display:grid;grid-template-columns:48% 52%;gap:32px;align-items:start}
.hero-text{position:relative;z-index:2;padding-top:4px}

.kicker{margin:0 0 14px;font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}
.kicker-gold{color:var(--gold)}.kicker-teal{color:var(--teal)}.kicker-light{color:rgba(159,210,202,.85)}
.hero h1{margin:0;font-size:clamp(32px,3.8vw,54px);font-weight:900;line-height:1.1;letter-spacing:-.03em}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero-role{margin:16px 0 0;color:var(--ink);font-size:clamp(15px,1.6vw,18px);font-weight:800;letter-spacing:-.01em}
.hero-subrole{margin:6px 0 0;color:var(--text-sec);font-size:13px;font-weight:500}
.hero-proof-line{margin:16px 0 0;padding:2px 0 2px 10px;border-left:2px solid var(--gold);color:var(--text-sec);font-size:13px;font-weight:500;line-height:1.4}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

/* Hero image grid: 55% Baidu vs 45% Sub-cases, Height bounded to 360px */
.hero-visual{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:55% 45%;grid-template-rows:1fr 1fr;gap:10px;height:360px}
.hero-grid a{display:block;height:100%;text-decoration:none;color:inherit;outline:none}
.hero-fig-tall{grid-column:1;grid-row:1/3;margin:0;border-radius:12px;overflow:hidden;border:1px solid var(--border);position:relative;box-shadow:0 8px 24px rgba(0,0,0,.06);height:100%}
.hero-fig-square{grid-column:2;grid-row:1;margin:0;border-radius:12px;overflow:hidden;border:1px solid var(--border);position:relative;box-shadow:0 8px 24px rgba(0,0,0,.06);height:100%}
.hero-fig-wide{grid-column:2;grid-row:2;margin:0;border-radius:12px;overflow:hidden;border:1px solid var(--border);position:relative;box-shadow:0 8px 24px rgba(0,0,0,.06);height:100%}
.hero-grid figure{margin:0;width:100%;height:100%;position:relative;overflow:hidden}

.hero-grid img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease-out)}
.hero-grid a:hover img{transform:scale(1.05)}
.hero-fig-label{position:absolute;bottom:8px;left:8px;padding:3px 8px;background:rgba(14,24,32,.78);color:#fff;font-size:10px;font-weight:600;border-radius:4px;backdrop-filter:blur(4px);pointer-events:none;transition:background .3s}
.hero-grid a:hover .hero-fig-label{background:rgba(38,122,110,.9);color:#fff}

/* Buttons */
.button{min-height:46px;display:inline-flex;align-items:center;justify-content:center;padding:0 22px;border:1px solid transparent;border-radius:8px;font-weight:700;font-size:13px;cursor:pointer;transition:all .25s var(--ease-out)}
.button-primary{background:var(--bg-dark);color:var(--text-on-dark);box-shadow:0 2px 12px rgba(14,24,32,.15)}
.button-primary:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(14,24,32,.22)}
.button-ghost{border-color:var(--border);color:var(--ink)}
.button-ghost:hover{border-color:var(--ink);background:rgba(0,0,0,.03)}

/* ── PROOF STRIP ── */
.proof-strip{padding:26px 0 20px;background:var(--bg-white);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.proof-grid{display:grid;grid-template-columns:repeat(5,1fr)}
.proof-grid div{padding:4px 18px;border-left:1px solid var(--border)}
.proof-grid div:first-child{border-left:0;padding-left:0}
.proof-grid strong{display:block;font-size:clamp(22px,2.8vw,34px);font-weight:800;line-height:1;letter-spacing:-.02em;color:var(--ink);white-space:nowrap}
.proof-grid span{display:block;margin-top:4px;color:var(--text-sec);font-size:11px;font-weight:600}
.data-date{margin:12px auto 0;width:min(var(--max-w),calc(100% - 48px));color:var(--text-ter);font-size:10px;text-align:right}

/* ── SECTIONS COMMON ── */
.section-index{font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--coral);text-transform:uppercase}
.section-heading{max-width:800px}
.section-heading .section-index{margin-bottom:16px}
.section-heading h2,.intro h2,.case-copy h2,.contact-band h2{margin:0;font-size:clamp(30px,4.5vw,52px);font-weight:900;line-height:1.1;letter-spacing:-.025em}
.intro-copy p,.section-heading>p{max-width:680px;margin:20px 0 0;color:var(--text-sec);font-size:16px;line-height:1.75}

/* ── INTRO / CAPABILITY (Fixed Breakpoint Font Sizes) ── */
.intro{display:grid;grid-template-columns:140px 1.2fr minmax(220px,.75fr);gap:36px;align-items:start}
.intro h2{margin:0;font-size:clamp(32px,4.5vw,56px);font-weight:900;line-height:1.1;letter-spacing:-.03em;word-break:keep-all}
.intro-copy p{max-width:640px;margin:20px 0 0;color:var(--ink-2);font-size:15px;line-height:1.75;font-weight:500}
.role-list{display:grid;border-top:1px solid var(--border)}
.role-list span{padding:13px 0;border-bottom:1px solid var(--border);color:var(--ink-2);font-weight:600;font-size:14px;transition:color .2s,padding-left .3s var(--ease-out)}
.role-list span:hover{color:var(--teal);padding-left:8px}

/* ── CASE DARK ── */
.case-dark{background:var(--bg-dark);color:var(--text-on-dark)}
.case-dark .section-index,.case-dark .kicker-gold{color:var(--gold-bright)}
.case-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.case-media video{width:100%;aspect-ratio:16/9;border-radius:10px;background:#000;box-shadow:0 20px 60px rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.08)}
.frame-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}
.frame-thumb{position:relative;padding:0;background:none;border:1px solid rgba(255,255,255,.12);border-radius:8px;overflow:hidden;cursor:pointer;outline:none;transition:border-color .25s,transform .25s var(--ease-out)}
.frame-thumb img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.78;transition:opacity .25s,transform .3s var(--ease-out)}
.frame-thumb:hover img,.frame-thumb.active img{opacity:1;transform:scale(1.04)}
.frame-thumb:hover,.frame-thumb.active{border-color:var(--gold-bright);box-shadow:0 4px 14px rgba(201,162,78,.25)}
.frame-label{position:absolute;bottom:6px;left:6px;padding:2px 7px;background:rgba(14,24,32,.85);color:#fff;font-size:10px;font-weight:600;border-radius:4px;backdrop-filter:blur(4px);pointer-events:none;transition:background .25s,color .25s}
.frame-thumb.active .frame-label,.frame-thumb:hover .frame-label{background:var(--gold-bright);color:#0e1820}

.case-copy{max-width:480px}
.case-copy h2{margin-top:4px}
.case-subtitle{margin:8px 0 0;color:var(--gold-bright);font-size:13px;font-weight:600;letter-spacing:-.01em}
.case-lead{margin:16px 0 0;font-size:15px;line-height:1.7}
.case-dark .case-lead{color:rgba(240,244,248,.88)}
.aura-copy .case-lead,.molink-case .case-lead{color:var(--text-sec)}

.detail-list{margin:20px 0 0;padding:0;list-style:none;border-top:1px solid rgba(255,255,255,.15)}
.detail-list li{position:relative;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.15);color:rgba(240,244,248,.88);font-size:14px;line-height:1.6}
.detail-list-story li{display:grid;grid-template-columns:84px 1fr;gap:12px;align-items:baseline;padding-left:0}
.detail-list-story li::before{display:none}
.story-label{font-size:12px;font-weight:700;color:var(--gold-bright);letter-spacing:.02em}
.story-text{font-size:13px;color:rgba(240,244,248,.92);line-height:1.5}

.detail-list-light{border-top-color:var(--border)}
.detail-list-light li{border-bottom-color:var(--border);color:var(--text-sec)}
.detail-list-light li:hover{color:var(--ink)}
.detail-list-light li::before{background:var(--teal)}
.tool-line{display:flex;flex-wrap:wrap;gap:7px;margin-top:20px}
.tool-line span{padding:4px 12px;border:1px solid rgba(255,255,255,.18);border-radius:999px;font-size:11px;font-weight:600;color:rgba(240,244,248,.9)}
.text-link{min-height:44px;display:inline-flex;align-items:center;gap:5px;margin-top:16px;font-weight:700;font-size:14px;transition:color .2s,gap .3s var(--ease-out)}
.text-link:hover{gap:9px}
.text-link-teal{color:var(--teal)}.text-link-teal:hover{color:var(--gold)}
.text-link-light{color:rgba(201,162,78,.9)}.text-link-light:hover{color:var(--gold-bright)}
.note{margin:14px 0 0;color:var(--text-ter);font-size:11px;font-style:italic}
.highlight-num{font-weight:800;color:var(--teal);font-size:15px;padding:0 2px}
.detail-list-light.detail-list-story .story-label{color:var(--teal);font-weight:800}
.detail-list-light.detail-list-story .story-text{color:var(--ink-2);font-weight:500}

/* ── AURA (Left Gallery, Right Copy - Prominent Molink-style Layout) ── */
.aura-section{background:var(--bg-warm);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.aura-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}

.aura-visual{position:relative;z-index:2}
.aura-grid{display:grid;grid-template-columns:1.15fr 1fr;grid-template-rows:1fr 1fr;gap:10px;height:500px}
.aura-fig-tall{grid-column:1;grid-row:1/3;margin:0;border-radius:12px;overflow:hidden;border:1px solid var(--border);position:relative;box-shadow:0 12px 36px rgba(0,0,0,.08)}
.aura-fig-sub{margin:0;border-radius:12px;overflow:hidden;border:1px solid var(--border);position:relative;box-shadow:0 8px 24px rgba(0,0,0,.06)}

.aura-grid img,.aura-grid video{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s var(--ease-out)}
.aura-grid figure:hover img,.aura-grid figure:hover video{transform:scale(1.03)}

.badge-real-sub{position:absolute;bottom:10px;left:10px;padding:4px 8px;background:rgba(14,24,32,0.78);color:#fff;font-size:10px;font-weight:700;border-radius:4px;backdrop-filter:blur(6px)}
.badge-independent{display:inline-block;padding:3px 10px;background:rgba(201,162,78,0.12);color:var(--gold);font-size:12px;font-weight:800;border-radius:6px;border:1px solid rgba(201,162,78,0.3);margin-left:10px;vertical-align:middle}

.aura-specs{display:grid;grid-template-columns:1fr;gap:8px;margin-top:24px}
.aura-specs div{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--bg-white);border:1px solid var(--border);border-radius:8px;box-shadow:0 2px 6px rgba(0,0,0,0.02)}
.aura-specs dt{font-weight:700;color:var(--teal);font-size:11.5px;letter-spacing:.03em;margin:0}
.aura-specs dd{font-weight:700;color:var(--ink);font-size:12.5px;margin:0;text-align:right}

/* ── AI VIDEO (Left Copy, Right Grid - Alternating Rhythm) ── */
.video-layout{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.video-copy .case-lead{color:var(--text-sec)}

.video-grid{display:grid;grid-template-columns:1.1fr 1fr;grid-template-rows:1fr 1fr;gap:10px;height:380px}
.video-card-hover{display:block;height:100%;position:relative;outline:none;cursor:pointer}
.video-card-hover:nth-child(1){grid-column:1;grid-row:1/3}
.video-card-hover:nth-child(2){grid-column:2;grid-row:1}
.video-card-hover:nth-child(3){grid-column:2;grid-row:2}
.video-fig-tall,.video-fig-sub{margin:0;border-radius:12px;overflow:hidden;border:1px solid var(--border);position:relative;box-shadow:0 8px 24px rgba(0,0,0,.06);height:100%}
.video-grid img.preview-img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease-out),opacity .35s var(--ease-out)}
.preview-video{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;opacity:0;pointer-events:none;transition:opacity .35s var(--ease-out)}
.video-play-toggle{position:absolute;z-index:3;inset:0;width:100%;height:100%;padding:0;border:0;background:transparent;cursor:pointer;border-radius:12px}
.video-play-toggle:focus-visible{outline:3px solid var(--gold-bright);outline-offset:-4px}
.video-card-hover.is-playing .preview-video{opacity:1}
.video-card-hover:hover img.preview-img{transform:scale(1.05)}
.play-badge{position:absolute;top:10px;right:10px;padding:3px 8px;background:rgba(14,24,32,.78);color:var(--gold-bright);font-size:10px;font-weight:700;border-radius:5px;backdrop-filter:blur(4px);pointer-events:none;transition:opacity .3s}
.video-card-hover.is-playing .play-badge{opacity:0}
.video-fig-meta{position:absolute;bottom:8px;left:8px;right:8px;padding:6px 10px;background:rgba(14,24,32,.78);color:#fff;border-radius:6px;backdrop-filter:blur(4px);pointer-events:none;transition:opacity .3s var(--ease-out),background .25s;z-index:2}
.video-card-hover:hover .video-fig-meta{background:rgba(14,24,32,.92)}
.video-card-hover.is-playing .video-fig-meta{opacity:0;pointer-events:none}
.video-fig-meta strong{display:block;color:var(--gold-bright);font-size:11px;font-weight:700}
.video-fig-meta span{display:block;font-size:10px;color:rgba(255,255,255,.85);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ── MOLINK (Left Gallery, Right Copy) ── */
.molink-case{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.molink-visual{position:relative;z-index:2}
.molink-gallery{display:grid;grid-template-columns:1.22fr 1fr;grid-template-rows:1fr 1fr;gap:10px;height:440px}
.molink-main{grid-column:1;grid-row:1/3;margin:0;border-radius:12px;overflow:hidden;border:1px solid var(--border);position:relative;box-shadow:0 8px 24px rgba(0,0,0,.06)}
.molink-sub{margin:0;border-radius:12px;overflow:hidden;border:1px solid var(--border);position:relative;box-shadow:0 8px 24px rgba(0,0,0,.06)}
.molink-sub:nth-child(2){grid-column:2;grid-row:1}
.molink-sub:nth-child(3){grid-column:2;grid-row:2}
.molink-gallery figure{transition:transform .35s var(--ease-out),box-shadow .3s}
.molink-gallery figure:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,0,0,.08)}
.molink-gallery img{width:100%;height:100%;display:block;object-fit:cover;transition:transform .5s var(--ease-out)}
.molink-gallery figure:hover img{transform:scale(1.03)}
.badge-real{position:absolute;bottom:8px;left:8px;padding:3px 8px;background:rgba(38,122,110,.9);color:#fff;font-size:10px;font-weight:700;border-radius:4px;backdrop-filter:blur(4px);pointer-events:none}
.molink-caption{margin:12px 0 0;color:var(--text-ter);font-size:12px;font-weight:400;line-height:1.5}

/* ── STYLE GALLERY ── */
.style-band{background:var(--bg-white);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.style-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:48px}
.style-grid figure{margin:0;border-radius:10px;overflow:hidden;border:1px solid var(--border);transition:transform .35s var(--ease-out),box-shadow .35s,border-color .3s;cursor:pointer}
.style-grid figure:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.1);border-color:var(--gold-line)}
.style-grid img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .5s var(--ease-out)}
.style-grid figure:hover img{transform:scale(1.06)}
.style-note{margin:22px 0 0;color:var(--text-ter);font-size:13px}
.style-note a{color:var(--teal);font-weight:700;transition:color .2s}
.style-note a:hover{color:var(--gold)}

/* ── PLATFORMS (unified covers) ── */
.platform-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:48px}
.platform-block{padding:28px;display:flex;flex-direction:column;border:1px solid var(--border);border-radius:14px;background:var(--bg-white);transition:border-color .3s,box-shadow .3s,transform .3s var(--ease-out)}
.platform-block:hover{border-color:var(--gold-line);box-shadow:0 8px 32px rgba(0,0,0,.06);transform:translateY(-3px)}
.platform-block header{display:flex;align-items:baseline;justify-content:space-between;gap:14px;padding-bottom:20px;border-bottom:1px solid var(--border)}
.platform-block header span{font-size:26px;font-weight:900;letter-spacing:-.02em}
.platform-block header strong{color:var(--text-ter);font-size:13px;font-weight:500}
.metric-table{display:grid;grid-template-columns:1fr 1fr;margin-top:18px}
.metric-table div{padding:14px 0;border-bottom:1px solid var(--border)}
.metric-table div:nth-child(odd){border-right:1px solid var(--border);padding-right:18px}
.metric-table div:nth-child(even){padding-left:18px}
.metric-table strong{display:block;font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1;letter-spacing:-.02em}
.metric-table span{display:block;margin-top:5px;color:var(--text-ter);font-size:11px;font-weight:500}
.featured-app{margin:22px 0}
.featured-app p{margin:0;color:var(--coral);font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}
.featured-app h3{margin:5px 0 3px;font-size:18px;font-weight:800}
.featured-app strong{color:var(--text-ter);font-size:13px;font-weight:500}

/* Unified covers layout for both platforms */
.platform-covers{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:22px}
.platform-covers img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:7px;border:1px solid var(--border);transition:transform .3s var(--ease-out),border-color .3s}
.platform-covers img:hover{transform:scale(1.06);border-color:var(--gold-line)}

.platform-block>a{min-height:40px;display:inline-flex;align-items:center;margin-top:auto;color:var(--teal);font-weight:700;font-size:14px;transition:color .2s}
.platform-block>a:hover{color:var(--gold)}

.civitai-block{background:var(--bg-dark);color:var(--text-on-dark);border-color:var(--bg-dark)}
.civitai-block:hover{border-color:rgba(201,162,78,.35)}
.civitai-block header,.civitai-block .metric-table div{border-color:rgba(255,255,255,.1)}
.civitai-block header strong,.civitai-block .metric-table span,.civitai-block .featured-app strong{color:var(--text-on-dark-2)}
.civitai-block .platform-covers img{border-color:rgba(255,255,255,.08)}
.civitai-block .platform-covers img:hover{border-color:var(--gold-line)}
.civitai-block>a{color:rgba(159,210,202,.85)}.civitai-block>a:hover{color:var(--gold-bright)}

/* ── AI PRODUCTS & PROTOTYPES ── */
.product-band{background:var(--bg-white);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:44px}
.product-card{min-width:0;background:var(--bg);border:1px solid var(--border);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:transform .3s var(--ease-out),box-shadow .3s,border-color .3s}
.product-card:hover{transform:translateY(-5px);border-color:var(--gold-line);box-shadow:0 16px 44px rgba(14,24,32,.09)}
.product-card-media{margin:0;aspect-ratio:16/9;overflow:hidden;background:var(--bg-warm);border-bottom:1px solid var(--border)}
.product-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease-out)}
.product-card:hover .product-card-media img{transform:scale(1.03)}
.product-card-body{display:flex;flex:1;flex-direction:column;padding:20px 22px 22px}
.product-card-topline{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
.product-status{display:inline-flex;align-items:center;padding:4px 8px;background:var(--gold-subtle);color:var(--gold);border-radius:5px;font-size:11px;font-weight:800}
.product-status-teal{background:rgba(38,122,110,.1);color:var(--teal)}
.product-type{color:var(--text-ter);font-size:11px;font-weight:600}
.product-card-body h3{margin:0;font-size:19px;line-height:1.35;font-weight:800}
.product-card-body p{margin:10px 0 18px;color:var(--text-sec);font-size:13.5px;line-height:1.7;flex:1}
.product-card-actions{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--border-light);color:var(--text-ter);font-size:11px;line-height:1.45}
.product-card-actions>a{color:var(--teal);font-size:12px;font-weight:800;white-space:nowrap;transition:color .2s}
.product-card-actions>a:hover{color:var(--gold)}
.product-card-muted{color:var(--text-ter);font-weight:600;white-space:nowrap}

/* ── RAG CHATBOT ── */
.chat-window{border:1px solid var(--border);border-radius:14px;overflow:hidden;background:var(--bg);box-shadow:0 4px 24px rgba(0,0,0,.06)}
.chat-header{display:flex;align-items:center;gap:10px;padding:14px 18px;background:var(--bg-dark);color:var(--text-on-dark)}
.chat-dot{width:8px;height:8px;border-radius:50%;background:#4ade80;box-shadow:0 0 6px rgba(74,222,128,.5)}
.chat-title{font-size:13px;font-weight:600}
.chat-body{padding:18px;height:320px;overflow-y:auto;display:flex;flex-direction:column;gap:12px}
.chat-msg{max-width:88%;animation:msgIn .3s var(--ease-out)}
.chat-bot{align-self:flex-start}
.chat-user{align-self:flex-end}
.chat-msg p{margin:0;padding:10px 14px;border-radius:12px;font-size:13px;line-height:1.6}
.chat-bot p{background:var(--bg-white);border:1px solid var(--border);border-radius:12px 12px 12px 4px;color:var(--ink)}
.chat-bot p:has(+ p){border-bottom-left-radius:0;border-bottom-right-radius:0}
.chat-bot p + p{margin-top:-1px;border-top-left-radius:0;border-top-right-radius:0;border-top:none}
.chat-user p{background:var(--bg-dark);color:var(--text-on-dark);border-radius:12px 12px 4px 12px}
.chat-typing .dots{display:inline-block;animation:blink 1s steps(3) infinite}
@keyframes blink{0%{opacity:.2}50%{opacity:1}100%{opacity:.2}}
@keyframes msgIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

.chat-presets{padding:12px 18px 16px;border-top:1px solid var(--border);display:flex;flex-wrap:wrap;gap:6px}
.chat-presets button{padding:6px 14px;background:var(--bg-white);border:1px solid var(--border);border-radius:999px;font-size:12px;font-weight:500;color:var(--ink-2);cursor:pointer;transition:all .2s}
.chat-presets button:hover:not(:disabled){background:var(--gold-subtle);border-color:var(--gold-line);color:var(--gold)}
.chat-presets button:disabled{cursor:default}

/* ── WEB DEV ── */
.webdev-band{padding-block:clamp(64px,8vh,90px);background:var(--bg-warm);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.webdev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.webdev-card{background:var(--bg-white);border:1px solid var(--border);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;transition:transform .3s var(--ease-out),box-shadow .3s}
.webdev-card:hover{transform:translateY(-5px);box-shadow:0 16px 44px rgba(0,0,0,.08)}
.webdev-card figure{margin:0;aspect-ratio:16/10;overflow:hidden;border-bottom:1px solid var(--border);background:var(--bg)}
.webdev-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease-out)}
.webdev-card:hover figure img{transform:scale(1.04)}
.webdev-card-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.webdev-card-body h3{font-size:16px;font-weight:700;margin:0}
.webdev-card-body p{margin:6px 0 16px;color:var(--text-sec);font-size:13px;line-height:1.55;flex:1}
.webdev-card-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--border-light)}
.webdev-btn{min-height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;background:var(--bg-dark);color:var(--text-on-dark);border-radius:6px;font-size:12px;font-weight:600;transition:all .2s;white-space:nowrap}
.webdev-btn:hover{background:var(--teal);transform:translateY(-1px)}
.webdev-btn-muted{background:transparent;color:var(--text-sec);border:1px solid var(--border);cursor:default}
.webdev-btn-muted:hover{background:transparent;color:var(--text-sec);transform:none}
.webdev-tag{display:inline-block;padding:3px 8px;background:var(--gold-subtle);color:var(--gold);font-size:11px;font-weight:600;border-radius:4px}

/* ── EXPERIENCE ── */
.experience{display:grid;grid-template-columns:minmax(250px,.55fr) minmax(0,1.45fr);gap:44px 64px}
.experience .section-heading h2{font-size:clamp(34px,5vw,50px)}
.experience .section-heading>p{font-size:15px}
.timeline{border-top:1px solid var(--border)}
.timeline article{display:grid;grid-template-columns:135px 1fr;gap:22px;padding:20px 0;border-bottom:1px solid var(--border);transition:background .2s}
.timeline article:hover{background:var(--bg-white);margin-inline:-10px;padding-inline:10px;border-radius:6px}
.timeline time{color:var(--coral);font-size:12px;font-weight:700;padding-top:2px}
.timeline h3{margin:0;font-size:15px;font-weight:700}
.timeline p{margin:5px 0 0;color:var(--text-sec);font-size:14px;line-height:1.65}

/* ── CONTACT ── */
.contact-band{position:relative;padding-block:96px;background:var(--bg-dark);color:var(--text-on-dark);overflow:hidden}
.contact-band::before{content:'';position:absolute;inset:0;background:radial-gradient(600px 350px at 80% 20%,rgba(201,162,78,.06),transparent);pointer-events:none}
.contact-layout{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:end}
.contact-band h2{font-size:clamp(32px,5vw,52px)}
.contact-avatar{width:76px;height:76px;margin-bottom:22px;border-radius:50%;object-fit:cover;border:2px solid rgba(255,255,255,.15)}
.contact-links{border-top:1px solid rgba(255,255,255,.1)}
.contact-links a,.contact-link-button{width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:0 4px;border:0;border-bottom:1px solid rgba(255,255,255,.1);background:transparent;color:inherit;font:inherit;text-align:left;cursor:pointer;transition:all .25s var(--ease-out)}
.contact-links a:hover,.contact-link-button:hover{color:var(--gold-bright);padding-left:8px;background:rgba(201,162,78,.06)}
.contact-link-button:focus-visible{outline:2px solid var(--gold-bright);outline-offset:3px}
.contact-links span{color:var(--text-on-dark-3);font-size:12px;font-weight:500;letter-spacing:.03em;text-transform:uppercase}
.contact-links strong{text-align:right;font-weight:600;font-size:14px}
.contact-links strong b{font:inherit}

/* ── WECHAT CONTACT DIALOG ── */
body.modal-open{overflow:hidden}
.wechat-modal-backdrop{position:fixed;inset:0;z-index:10000;display:flex;align-items:center;justify-content:center;padding:24px;background:rgba(14,24,32,.8);backdrop-filter:blur(10px);opacity:0;pointer-events:none;transition:opacity .28s var(--ease-out)}
.wechat-modal-backdrop.is-open{opacity:1;pointer-events:auto}
.wechat-modal-dialog{position:relative;width:min(390px,100%);padding:32px;background:var(--bg-white);border:1px solid rgba(201,162,78,.25);border-radius:14px;box-shadow:0 30px 80px rgba(0,0,0,.34);text-align:center;transform:translateY(12px) scale(.97);transition:transform .28s var(--ease-out)}
.wechat-modal-backdrop.is-open .wechat-modal-dialog{transform:translateY(0) scale(1)}
.wechat-modal-dialog .kicker{margin:0 0 7px}
.wechat-modal-dialog h2{margin:0;color:var(--ink);font-size:26px;line-height:1.2}
.wechat-modal-dialog>p:not(.kicker){margin:9px 0 20px;color:var(--text-sec);font-size:13px;line-height:1.65}
.wechat-modal-dialog img{display:block;width:min(300px,100%);height:auto;margin:0 auto;padding:10px;background:#fff;border:1px solid var(--border);border-radius:10px}
.wechat-modal-close{position:absolute;top:14px;right:14px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:50%;background:var(--bg-warm);color:var(--ink);font-size:18px;line-height:1;cursor:pointer;transition:background .2s,color .2s,transform .2s}
.wechat-modal-close:hover{background:var(--teal);border-color:var(--teal);color:#fff;transform:rotate(90deg)}
.wechat-modal-close:focus-visible{outline:2px solid var(--teal);outline-offset:3px}

/* ── FOOTER ── */
.footer{padding-block:22px;background:var(--bg);border-top:1px solid var(--border);color:var(--text-ter);font-size:12px}
.footer .wrap{display:flex;justify-content:space-between;gap:20px}

/* ── RESPONSIVE ── */
@media(max-width:1199px){
  .intro{grid-template-columns:1.3fr minmax(220px,1fr);gap:28px}
  .intro .section-index{grid-column:1/-1;margin-bottom:0}
  .intro h2{font-size:56px;line-height:1.12}
}
@media(max-width:920px){
  .nav-menu-toggle{display:flex;margin-left:auto}
  .nav-resume{margin-left:0}
  .nav-links{display:none;position:absolute;top:calc(100% + 8px);left:0;right:0;padding:8px;background:rgba(255,255,255,.98);border:1px solid var(--border);border-radius:8px;box-shadow:0 16px 40px rgba(14,24,32,.14);grid-template-columns:repeat(2,minmax(0,1fr));gap:2px}
  .nav-links.is-open{display:grid}
  .nav-links a{min-height:44px;padding-inline:14px}
  .hero-layout{grid-template-columns:1fr;gap:36px}
  .hero-grid,.aura-grid,.video-grid,.molink-gallery{max-width:500px;height:380px}
  .hero-proof-grid{grid-template-columns:repeat(2,1fr)}
  .proof-grid{grid-template-columns:repeat(3,1fr);gap:14px 0}
  .proof-grid div:nth-child(4){border-left:0;padding-left:0}
  .case-layout,.molink-case,.aura-layout,.video-layout,.experience,.contact-layout{grid-template-columns:1fr}
  .case-layout,.molink-case,.aura-layout,.video-layout{gap:40px}
  .experience{gap:36px}
  .style-grid{grid-template-columns:repeat(3,1fr)}
  .platform-grid{grid-template-columns:1fr}
  .product-grid{grid-template-columns:1fr}
  .webdev-grid{grid-template-columns:1fr}
  .timeline article{grid-template-columns:120px 1fr}
}
@media(max-width:767px){
  .intro{grid-template-columns:1fr;gap:24px}
  .intro h2{font-size:40px;line-height:1.15}
}
@media(max-width:600px){
  .wrap{width:min(100% - 28px,var(--max-w))}
  .nav{min-height:58px}.brand>span:last-child{display:none}
  .hero{padding:110px 0 50px}.hero h1{font-size:34px}
  .hero-grid,.aura-grid,.video-grid,.molink-gallery{grid-template-columns:1fr;grid-template-rows:auto;height:auto}
  .hero-fig-tall,.hero-fig-square,.hero-fig-wide,.aura-fig-tall,.aura-fig-sub,.video-fig-tall,.video-fig-sub,.molink-main,.molink-sub,.video-card-hover{grid-column:auto;grid-row:auto;aspect-ratio:4/3}
  .video-card-hover:nth-child(1),.video-card-hover:nth-child(2),.video-card-hover:nth-child(3){grid-column:auto;grid-row:auto;width:100%;min-width:0}
  .play-badge{font-size:0}
  .play-badge::after{content:'▶ 点击播放';font-size:10px}
  .hero-proof-grid{grid-template-columns:1fr}
  .proof-grid{grid-template-columns:1fr 1fr}
  .proof-grid div{padding-inline:12px}
  .proof-grid div:nth-child(odd){border-left:0;padding-left:0}
  .section{padding-block:60px}
  .section-heading h2,.intro h2,.case-copy h2,.contact-band h2{font-size:28px}
  .frame-strip{gap:6px}
  .style-grid{grid-template-columns:1fr 1fr;gap:10px}
  .molink-gallery{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .molink-main{grid-column:1/3;grid-row:auto}
  .platform-block{padding:20px}
  .metric-table strong{font-size:24px}
  .product-card-body{padding:18px 18px 20px}
  .product-card-body h3{font-size:17px}
  .product-card-actions{align-items:flex-start;flex-direction:column;gap:8px}
  .chat-body{height:260px}
  .webdev-grid{grid-template-columns:1fr}
  .timeline article{grid-template-columns:1fr;gap:5px}
  .wechat-modal-backdrop{padding:16px}
  .wechat-modal-dialog{padding:28px 20px 22px}
  .wechat-modal-dialog img{width:min(280px,100%)}
}

/* ── RAG EXTENSION PREVIEW ── */
.rag-extension-preview{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,.88fr);gap:48px;align-items:center;margin-top:44px;padding:40px 42px;background:var(--bg-white);border:1px solid var(--border);border-radius:12px;box-shadow:0 10px 30px rgba(14,24,32,.055);position:relative;overflow:hidden}
.rag-extension-preview::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gold)}

.rag-preview-copy{max-width:600px;position:relative;z-index:2}
.rag-preview-copy .kicker{margin-bottom:8px;color:var(--teal);font-weight:800;letter-spacing:.12em}
.rag-preview-copy h3{margin:0;font-size:clamp(24px,2.6vw,30px);font-weight:900;line-height:1.2;color:var(--ink);letter-spacing:-.01em}
.rag-preview-copy>p:not(.kicker){max-width:560px;margin:14px 0 0;color:var(--text-sec);font-size:13.5px;line-height:1.75}

.rag-preview-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:22px 0 0}
.rag-preview-facts div{min-width:0;padding:11px 13px;background:var(--bg-warm);border:1px solid var(--border);border-radius:9px;transition:border-color .25s,background .25s}
.rag-preview-facts div:hover{border-color:var(--gold-line);background:var(--gold-subtle)}
.rag-preview-facts dt{color:var(--teal);font-size:10.5px;font-weight:800;letter-spacing:.06em}
.rag-preview-facts dd{margin:4px 0 0;color:var(--ink);font-size:12.5px;font-weight:700;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.btn-rag-trigger{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;margin-top:26px;padding:0 26px;background:var(--bg-dark);color:#ffffff;border:none;border-radius:9px;font:inherit;font-size:13px;font-weight:800;cursor:pointer;transition:all .25s var(--ease-out);box-shadow:0 8px 24px rgba(14,24,32,.16)}
.btn-rag-trigger .btn-arrow{color:var(--gold-bright);font-size:15px;transition:transform .25s var(--ease-out)}
.btn-rag-trigger:hover{background:var(--teal);transform:translateY(-2px);box-shadow:0 10px 28px rgba(38,122,110,.28)}
.btn-rag-trigger:hover .btn-arrow{transform:translateX(4px)}

/* Right visual: real QQ proof with hover-scroll + glowing flow */
.rag-preview-visual{display:flex;flex-direction:column;gap:12px;width:100%;position:relative;z-index:2}
.rag-preview-proof{position:relative;height:250px;overflow:hidden;background:#f8fafc;border:1px solid var(--border);border-radius:14px;box-shadow:0 14px 36px rgba(14,24,32,.12)}
.rag-preview-proof img{width:100%;height:100%;object-fit:cover;object-position:50% 0;transition:object-position 3.5s ease-in-out}
.rag-preview-proof:hover img{object-position:50% 100%}
.rag-preview-status{position:absolute;z-index:2;top:12px;left:12px;display:inline-flex;align-items:center;gap:7px;padding:6px 11px;background:rgba(14,24,32,.85);color:#fff;border-radius:7px;font-size:10.5px;font-weight:700;backdrop-filter:blur(6px)}
.rag-preview-status i{width:7px;height:7px;background:#22c55e;border-radius:50%}
.rag-preview-hint{position:absolute;z-index:2;bottom:10px;right:10px;padding:4px 9px;background:rgba(14,24,32,.75);color:rgba(255,255,255,.85);border-radius:6px;font-size:10px;font-weight:600;backdrop-filter:blur(6px);pointer-events:none;transition:opacity .3s}
.rag-preview-proof:hover .rag-preview-hint{opacity:0}

.rag-preview-flow{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:11px 14px;background:var(--bg-warm);border:1px solid var(--border);border-radius:10px}
.rag-preview-flow span{flex:1;text-align:center;padding:7px 4px;background:#ffffff;border:1px solid var(--border);border-radius:7px;font-size:11px;font-weight:700;color:var(--ink-2);white-space:nowrap}
.rag-preview-flow b{color:var(--gold);font-weight:900}

/* Modal Dialog High-End Beautification */
.rag-modal-backdrop{position:fixed;inset:0;background:rgba(14,24,32,0.78);backdrop-filter:blur(10px);z-index:9999;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .35s var(--ease-out);padding:24px}
.rag-modal-backdrop.is-open{opacity:1;pointer-events:auto}

.rag-modal-dialog{position:relative;width:min(920px,100%);max-height:88vh;background:var(--bg-white);border-radius:16px;border:1px solid rgba(201,162,78,0.2);box-shadow:0 32px 80px rgba(0,0,0,0.3);overflow-y:auto;overscroll-behavior:contain;display:flex;flex-direction:column;padding:36px 40px;transform:scale(.96) translateY(12px);transition:transform .35s var(--ease-out)}
.rag-modal-backdrop.is-open .rag-modal-dialog{transform:scale(1) translateY(0)}

.rag-modal-close{position:sticky;z-index:10;top:0;align-self:flex-end;width:36px;height:36px;margin-bottom:-36px;border-radius:50%;border:1px solid var(--border);background:var(--bg-warm);color:var(--ink);font-size:18px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s,color .2s,transform .2s}
.rag-modal-close:hover{background:var(--teal);color:#ffffff;border-color:var(--teal);transform:rotate(90deg)}

.rag-modal-header{max-width:760px;margin-bottom:28px;padding:0 40px 20px 0;border-bottom:1px solid var(--border)}
.rag-modal-header h2{font-size:clamp(24px,3vw,34px);line-height:1.15;margin:4px 0 10px;color:var(--ink);font-weight:900}
.rag-modal-intro{font-size:13.5px;line-height:1.7;color:var(--text-sec);margin:0}

.rag-modal-body{display:flex;flex-direction:column;gap:30px}
.rag-block{display:flex;flex-direction:column;gap:12px}
.rag-block-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:800;color:var(--ink);margin:0}
.badge-dot{width:8px;height:8px;border-radius:50%;background:var(--teal);display:inline-block}

/* Block 1: QQ Robot Screenshots */
.qq-robot-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.qq-fig{margin:0;border-radius:10px;overflow:hidden;border:1px solid var(--border);box-shadow:0 4px 16px rgba(0,0,0,0.04);background:#f8fafc;transition:transform .3s var(--ease-out),box-shadow .3s}
.qq-fig:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,0.08)}
.qq-fig img{width:100%;height:auto;display:block;object-fit:cover}
.modal-fig-note{font-size:12px;color:var(--text-ter);margin:0;font-style:italic}

/* Block 2: Architecture Flow */
.architecture-flow{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:16px 20px;background:rgba(38,122,110,0.04);border-radius:10px;border:1px solid rgba(38,122,110,0.18)}
.arch-node{padding:10px 16px;background:var(--bg-white);border:1px solid var(--border);border-radius:8px;font-size:13px;font-weight:800;color:var(--teal);box-shadow:0 2px 8px rgba(0,0,0,0.03);flex:1;text-align:center}
.arch-arrow{color:var(--gold);font-weight:900;font-size:15px}

/* Block 3: Chat Simulator */
.sim-header{display:flex;align-items:center;justify-content:space-between}
.sim-tag{padding:4px 10px;background:rgba(38,122,110,0.1);color:var(--teal);font-size:11px;font-weight:800;border-radius:6px}
.modal-chat-window{border-radius:12px;border:1px solid var(--border);overflow:hidden;background:#ffffff;box-shadow:0 10px 30px rgba(0,0,0,0.06)}
.modal-chat-window .chat-body{height:290px}
.chat-source{margin-top:8px;padding-top:6px;border-top:1px dashed rgba(38,122,110,0.2)}
.source-tag{font-size:10.5px;color:var(--teal);font-weight:800;background:rgba(38,122,110,0.1);padding:3px 8px;border-radius:4px}

@media(max-width:920px){
  .rag-extension-preview{grid-template-columns:1fr;gap:28px;padding:30px 28px}
  .rag-preview-visual{max-width:620px;width:100%}
}
@media(max-width:600px){
  .rag-extension-preview{padding:26px 20px;grid-column:1;border-radius:14px}
  .rag-preview-facts{grid-template-columns:1fr}
  .rag-preview-facts div{padding:9px 12px}
  .rag-preview-proof{height:210px}
  .rag-preview-flow{gap:6px;padding:10px 10px}
  .rag-preview-flow span{font-size:10px}
  .rag-modal-backdrop{padding:12px}
  .rag-modal-dialog{padding:24px 20px;border-radius:12px;max-height:92vh}
  .rag-modal-header{padding-right:30px}
  .qq-robot-grid{grid-template-columns:1fr}
  .architecture-flow{flex-direction:column;gap:6px}
  .arch-arrow{transform:rotate(90deg)}
  .sim-header{align-items:flex-start;gap:8px;flex-direction:column}
  .modal-chat-window .chat-body{height:300px;padding:14px}
}

/* ── WORKFLOW STRIP (EXPERIENCE SECTION INTRO) ── */
.workflow-strip{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px 24px;margin:0;padding:16px 24px;background:var(--bg-white);border:1px solid var(--border);border-radius:12px}
.workflow-strip-lead{margin:0;font-size:13px;font-weight:700;color:var(--ink-2)}
.workflow-strip-nodes{display:flex;align-items:center;flex-wrap:wrap;gap:8px}
.workflow-strip-nodes span{padding:5px 13px;background:var(--bg-warm);border:1px solid var(--border);border-radius:999px;font-size:12px;font-weight:700;color:var(--ink-2);transition:border-color .25s,color .25s}
.workflow-strip-nodes span:hover{border-color:var(--gold-line);color:var(--gold)}
.workflow-strip-nodes i{font-style:normal;color:var(--gold);font-weight:900;font-size:13px}
.highlight-num-inline{color:var(--teal);background:rgba(38,122,110,.08);padding:2px 6px;border-radius:4px;font-weight:800}
@media(max-width:640px){
  .workflow-strip{padding:14px 18px}
  .workflow-strip-nodes i{display:none}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}
  .reveal{opacity:1;transform:none}
}
@media print{.site-header{position:static}.nav-links,.nav-resume,.hero-actions{display:none}body{background:#fff}}