/* ---------- Tokens ---------- */
:root {
  --paper: #fbf8f3;
  --bg: #fbf8f3;
  --bg-2: #f4eee3;
  --fg: #15120f;
  --muted: #6b645c;
  --line: rgba(21, 18, 15, 0.14);
  --red: #c8321f;
  --gold: #c8321f;
  --grad: linear-gradient(100deg, #c8321f, #e0653a);
  --pad: clamp(20px, 5vw, 72px);
  --font: "Inter", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* Lenis */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
html[data-lang="zh"] body { letter-spacing: 0.01em; }
a { color: inherit; text-decoration: none; }
img, svg, canvas { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
::selection { background: var(--red); color: #fff; }

html.has-cursor, html.has-cursor a, html.has-cursor button { cursor: none; }

/* ---------- Grain ---------- */
.grain {
  position: fixed; inset: -50%; z-index: 90; pointer-events: none; opacity: 0.06;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  animation: grain 1s steps(6) infinite;
}
@keyframes grain {
  0% { transform: translate(0, 0); } 20% { transform: translate(-3%, 2%); } 40% { transform: translate(2%, -3%); }
  60% { transform: translate(-2%, -1%); } 80% { transform: translate(3%, 3%); } 100% { transform: translate(0, 0); }
}

/* ---------- Cursor ---------- */
.cursor {
  position: fixed; top: 0; left: 0; z-index: 120; pointer-events: none;
  width: 14px; height: 14px; margin: -7px 0 0 -7px; border-radius: 50%;
  background: var(--fg); mix-blend-mode: difference; display: none;
  transition: width .3s, height .3s, margin .3s, background .3s;
}
html.has-cursor .cursor { display: block; }
.cursor.is-hover { width: 64px; height: 64px; margin: -32px 0 0 -32px; }

/* ---------- Curtain (page transition) ---------- */
.curtain { position: fixed; inset: 0; z-index: 200; visibility: hidden; pointer-events: none; }
html.cover .curtain { visibility: visible; pointer-events: all; }
.curtain .strips { position: absolute; inset: 0; display: flex; }
.curtain .strips i { flex: 1; background: var(--red); transform: scaleY(0); }
html.cover .curtain .strips i { transform: scaleY(1); }
.curtain .strips i:nth-child(even) { background: #c92e21; }
.curtain-mark {
  position: absolute; inset: 0; display: grid; place-content: center; text-align: center;
  font-weight: 800; font-size: clamp(2.2rem, 8vw, 6rem); letter-spacing: -0.03em; color: #fff;
}
.curtain-count { display: block; font-size: 0.9rem; font-weight: 500; letter-spacing: 0.2em; opacity: .8; margin-top: .6rem; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--pad);
  background: linear-gradient(to bottom, rgba(10,10,12,.85), rgba(10,10,12,0));
}
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.35rem; letter-spacing: -0.03em; }
.logo svg { width: 30px; height: 30px; }
.nav { display: flex; align-items: center; gap: clamp(14px, 2.4vw, 34px); }
.nav-links { display: flex; gap: clamp(14px, 2.4vw, 34px); }
.nav-links a { position: relative; font-size: .95rem; padding: 4px 0; opacity: .8; transition: opacity .3s; }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--fg); transform: scaleX(0); transform-origin: right; transition: transform .45s cubic-bezier(.7,0,.2,1); }
.nav-links a:hover, .nav-links a.active { opacity: 1; }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); transform-origin: left; }
.lang-btn { display: inline-flex; gap: 6px; font-size: .85rem; font-weight: 600; letter-spacing: .08em; padding: 8px 12px; border: 1px solid var(--line); border-radius: 99px; }
.lang-btn .l { color: var(--muted); transition: color .3s; }
html[data-lang="zh"] .lang-btn .l.zh, html[data-lang="en"] .lang-btn .l.en { color: var(--fg); }
.lang-btn .sep { color: var(--line); }
.menu-btn { display: none; font-size: .9rem; padding: 8px 14px; border: 1px solid var(--line); border-radius: 99px; }

/* ---------- Buttons ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; gap: 12px; overflow: hidden;
  padding: 15px 28px; border-radius: 99px; border: 1px solid var(--line); font-weight: 600; font-size: .95rem;
  isolation: isolate; will-change: transform;
}
.btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1; background: var(--grad);
  transform: translateY(101%); transition: transform .5s cubic-bezier(.7,0,.2,1);
}
.btn:hover::before { transform: translateY(0); }
.btn:hover { border-color: transparent; color: #fff; }
.btn .arr { transition: transform .4s; }
.btn:hover .arr { transform: translateX(5px); }
.btn.solid { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.btn.solid:hover { color: #fff; }
.btn.small { padding: 10px 20px; font-size: .88rem; }

/* ---------- Type & layout ---------- */
.wrap { padding: 0 var(--pad); max-width: 1500px; margin: 0 auto; }
.kicker { display: inline-flex; align-items: center; gap: 12px; font-size: .8rem; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.kicker::before { content: ""; width: 34px; height: 1px; background: var(--grad); }
section { position: relative; }
.h2 { font-size: clamp(1.9rem, 4.2vw, 3.8rem); line-height: 1.12; letter-spacing: -0.03em; font-weight: 700; margin: 18px 0 0; }
html[data-lang="zh"] .h2 { letter-spacing: 0; line-height: 1.25; }

/* split text */
.tk { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .14em; margin-bottom: -.14em; }
.tki { display: inline-block; will-change: transform; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; padding: 130px 0 70px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; will-change: transform, opacity; }
.hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.menu-overlay { display: none; }
h1, h2, .lead, .problem-q, .bio { text-wrap: balance; }
.hero::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 100%, rgba(10,10,12,.85), rgba(10,10,12,0) 70%); pointer-events: none; }
.hero-inner { position: relative; z-index: 2; width: 100%; }
.hero h1 { font-size: clamp(1.85rem, min(4.3vw, 8vh), 4.3rem); line-height: 1.12; letter-spacing: -0.035em; font-weight: 750; margin: 22px 0 36px; max-width: 18em; }
html[data-lang="zh"] .hero h1 { letter-spacing: 0; line-height: 1.28; max-width: 21em; }
.hero-actions { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.scroll-hint { display: inline-flex; align-items: center; gap: 12px; color: var(--muted); font-size: .8rem; letter-spacing: .2em; text-transform: uppercase; }
.scroll-hint i { width: 1px; height: 46px; background: var(--line); position: relative; overflow: hidden; }
.scroll-hint i::after { content: ""; position: absolute; left: 0; top: -100%; width: 1px; height: 100%; background: var(--fg); animation: drip 2s cubic-bezier(.7,0,.2,1) infinite; }
@keyframes drip { 0% { top: -100%; } 60%,100% { top: 100%; } }

/* ---------- Marquee ---------- */
.marquee { border-block: 1px solid var(--line); overflow: hidden; padding: 26px 0; background: var(--bg-2); }
.marquee-track { display: flex; width: max-content; will-change: transform; }
.marquee-item { display: inline-flex; align-items: center; gap: 22px; padding-right: 22px; font-size: clamp(1.4rem, 3vw, 2.6rem); font-weight: 700; letter-spacing: -0.02em; white-space: nowrap; }
.marquee-item svg { width: 1.1em; height: 1.1em; color: var(--red); flex: none; }
.marquee-item .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); }

/* ---------- Problem ---------- */
.problem { padding: clamp(90px, 14vw, 200px) 0; }
.problem .lead { font-size: clamp(1.4rem, 2.6vw, 2.4rem); line-height: 1.3; font-weight: 600; margin: 24px 0 0; max-width: 22em; letter-spacing: -0.02em; }
.problem-list { list-style: none; margin: 46px 0 0; padding: 0; counter-reset: p; }
.problem-list li { counter-increment: p; display: grid; grid-template-columns: 70px 1fr; align-items: baseline; padding: 24px 0; border-top: 1px solid var(--line); font-size: clamp(1.15rem, 2.2vw, 2rem); line-height: 1.3; font-weight: 500; }
.problem-list li:last-child { border-bottom: 1px solid var(--line); }
.problem-list li::before { content: "0" counter(p); font-size: .85rem; color: var(--red); font-weight: 700; letter-spacing: .1em; }
.problem-q { margin: clamp(60px, 9vw, 120px) 0 0; font-size: clamp(1.5rem, 3.4vw, 3.1rem); line-height: 1.25; letter-spacing: -0.025em; font-weight: 700; max-width: 22em; }
html[data-lang="zh"] .problem-q { letter-spacing: 0; }
.problem-body { margin: 36px 0 0; max-width: 40em; color: var(--muted); font-size: 1.1rem; }
.problem-close { margin-top: 70px; display: flex; flex-wrap: wrap; align-items: center; gap: 24px 40px; }
.problem-close strong { font-size: clamp(1.6rem, 3.4vw, 3rem); letter-spacing: -0.03em; font-weight: 750; }
html[data-lang="zh"] .problem-close strong { letter-spacing: 0; }

/* ---------- How (horizontal pin) ---------- */
.how { background: var(--bg-2); border-block: 1px solid var(--line); }
.how-pin { min-height: 100svh; display: flex; flex-direction: column; justify-content: center; padding: 90px 0; overflow: hidden; }
.how-head { padding: 0 var(--pad); margin-bottom: 44px; max-width: 1300px; }
.how-track { display: flex; gap: clamp(16px, 2vw, 28px); padding: 0 var(--pad); width: max-content; will-change: transform; }
.step {
  position: relative; flex: none; width: min(78vw, 460px); min-height: 340px; padding: 34px;
  border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(160deg, rgba(255,255,255,.04), rgba(255,255,255,0));
  display: flex; flex-direction: column; justify-content: space-between; overflow: hidden;
}
.step::before { content: ""; position: absolute; width: 360px; height: 360px; right: -140px; top: -140px; border-radius: 50%; background: radial-gradient(circle, rgba(229,56,42,.28), transparent 65%); opacity: 0; transition: opacity .5s; }
.step:hover::before { opacity: 1; }
.step .num { font-size: clamp(4rem, 8vw, 7rem); line-height: 1; font-weight: 800; color: transparent; -webkit-text-stroke: 1px rgba(244,239,232,.35); letter-spacing: -0.04em; }
.step h3 { margin: 0 0 10px; font-size: 1.5rem; letter-spacing: -0.02em; }
html[data-lang="zh"] .step h3 { letter-spacing: 0; }
.step p { margin: 0; color: var(--muted); min-height: 3.4em; }
.how-progress { margin: 44px var(--pad) 0; height: 2px; background: var(--line); }
.how-progress i { display: block; height: 100%; background: var(--grad); transform: scaleX(0); transform-origin: left; }

/* ---------- Channels ---------- */
.channels { padding: clamp(90px, 12vw, 170px) 0; }
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 56px; }
.card, .svc {
  position: relative; border: 1px solid var(--line); border-radius: 22px; padding: 32px 28px 30px; overflow: hidden;
  background: rgba(255,255,255,.02); --mx: 50%; --my: 50%;
}
.card::before, .svc::before {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .4s; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx) var(--my), rgba(229,56,42,.22), transparent 60%);
}
.card:hover::before, .svc:hover::before { opacity: 1; }
.icon { width: 52px; height: 52px; color: var(--gold); }
.icon *, .marquee-item svg *, .portrait .ph svg * { stroke: currentColor; fill: none; stroke-width: 1.1; stroke-linecap: round; stroke-linejoin: round; }
.portrait .ph svg * { stroke-width: .5; }
em.solid { background: none; -webkit-text-fill-color: initial; color: var(--gold); }
.card h3 { margin: 70px 0 8px; font-size: 1.5rem; letter-spacing: -0.02em; }
.card p { margin: 0; color: var(--muted); font-size: .98rem; }
.more { margin-top: 40px; }

/* ---------- CTA band ---------- */
.cta-band { padding: clamp(80px, 11vw, 150px) 0; text-align: center; position: relative; overflow: hidden; border-top: 1px solid var(--line); }
.cta-band::before { content: ""; position: absolute; left: 50%; top: 50%; width: 900px; height: 900px; transform: translate(-50%, -50%); background: radial-gradient(circle, rgba(229,56,42,.22), transparent 60%); pointer-events: none; }
.cta-band .h2 { margin: 0 auto 18px; max-width: 16em; position: relative; }
.cta-band p { color: var(--muted); margin: 0 0 38px; position: relative; font-size: 1.1rem; }
.cta-band .btn { position: relative; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 50px 0 40px; }
.foot { display: flex; flex-wrap: wrap; gap: 30px 60px; justify-content: space-between; align-items: flex-start; }
.foot p { margin: 12px 0 0; color: var(--muted); max-width: 22em; }
.foot nav { display: flex; gap: 26px; flex-wrap: wrap; }
.foot nav a { color: var(--muted); transition: color .3s; }
.foot nav a:hover { color: var(--fg); }
.copyright { margin-top: 40px; color: var(--muted); font-size: .85rem; }

/* ---------- Inner page hero ---------- */
.page-hero { padding: 190px 0 70px; }
.page-hero h1 { font-size: clamp(2.2rem, 6vw, 5.6rem); line-height: 1.08; letter-spacing: -0.04em; font-weight: 780; margin: 22px 0 0; max-width: 16em; }
html[data-lang="zh"] .page-hero h1 { letter-spacing: 0; line-height: 1.2; }
.page-hero p { margin: 26px 0 0; color: var(--muted); font-size: 1.15rem; max-width: 34em; }

/* ---------- Services ---------- */
.svc-list { display: grid; gap: 18px; padding-bottom: clamp(80px, 10vw, 140px); }
.svc { display: grid; grid-template-columns: 90px 1.1fr 1.4fr; gap: 24px 40px; align-items: start; padding: 38px 36px; }
.svc .no { color: var(--red); font-weight: 700; letter-spacing: .1em; font-size: .9rem; padding-top: 14px; }
.svc .head { display: flex; align-items: center; gap: 20px; }
.svc h2 { margin: 0; font-size: clamp(1.6rem, 3vw, 2.6rem); letter-spacing: -0.03em; line-height: 1.1; }
html[data-lang="zh"] .svc h2 { letter-spacing: 0; }
.svc ul { list-style: none; margin: 0; padding: 0; }
.svc li { padding: 14px 0; border-top: 1px solid var(--line); display: flex; gap: 14px; align-items: baseline; color: var(--fg); opacity: .9; }
.svc li:last-child { border-bottom: 1px solid var(--line); }
.svc li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--grad); flex: none; transform: translateY(-2px); }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: minmax(260px, 5fr) 6fr; gap: clamp(30px, 6vw, 90px); align-items: center; padding-bottom: 60px; }
.portrait { position: relative; aspect-ratio: 4 / 5; border-radius: 26px; overflow: hidden; background: linear-gradient(160deg, #1c1c22, #0f0f13); border: 1px solid var(--line); clip-path: inset(0 0 0 0 round 26px); }
.portrait .ph { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 16px; color: var(--muted); font-size: .9rem; text-align: center; padding: 20px; }
.portrait .ph svg { width: 120px; height: 120px; color: rgba(244,239,232,.22); }
.portrait img { position: absolute; inset: -8% 0; width: 100%; height: 116%; object-fit: cover; }
.portrait::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,10,12,.65), transparent 45%); pointer-events: none; }
.portrait .tag { position: absolute; left: 24px; bottom: 22px; z-index: 2; }
.portrait .tag b { display: block; font-size: 1.4rem; letter-spacing: -0.02em; }
.portrait .tag span { color: var(--muted); font-size: .9rem; }
.about-copy .bio { font-size: clamp(1.25rem, 2.2vw, 2rem); line-height: 1.4; font-weight: 500; letter-spacing: -0.015em; margin: 22px 0 0; }
html[data-lang="zh"] .about-copy .bio { letter-spacing: 0; }
.principles { padding: clamp(60px, 8vw, 110px) 0 clamp(80px, 10vw, 140px); }
.principles .cards { grid-template-columns: repeat(3, 1fr); }
.principles .card h3 { margin-top: 40px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 24px; padding-bottom: clamp(80px, 10vw, 140px); align-items: start; }
.cal { min-height: 640px; border: 1px solid var(--line); border-radius: 22px; overflow: hidden; background: rgba(255,255,255,.02); }
.cal-ph { min-height: 640px; display: grid; place-content: center; justify-items: center; gap: 18px; text-align: center; color: var(--muted); padding: 30px;
  background: repeating-linear-gradient(135deg, rgba(255,255,255,.025) 0 12px, transparent 12px 24px); }
.cal-ph svg { width: 64px; height: 64px; color: var(--gold); }
.side { border: 1px solid var(--line); border-radius: 22px; padding: 32px 28px; }
.side h3 { margin: 0 0 22px; font-size: 1.2rem; }
.side dl { margin: 0; }
.side dt { color: var(--muted); font-size: .8rem; letter-spacing: .15em; text-transform: uppercase; margin-top: 18px; }
.side dd { margin: 6px 0 0; font-size: 1.1rem; word-break: break-all; }
.side .empty { color: var(--muted); }


/* ---------- Language switch (a link now, one page per language) ---------- */
a.lang-btn { text-decoration: none; }
a.lang-btn:hover .l { color: var(--fg); }

/* ---------- Scene: pinned photo panel ---------- */
.scene { height: 100vh; position: relative; background: var(--bg); overflow: hidden; }
.scene-frame { position: absolute; inset: 0; overflow: hidden; background: #15130f; transform-origin: 50% 50%; will-change: transform; backface-visibility: hidden; }
.scene-media { position: absolute; inset: 0; will-change: transform; }
.scene-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.scene-media .ph {
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 50% at 70% 35%, rgba(233,184,114,.22), transparent 70%),
    radial-gradient(40% 40% at 20% 80%, rgba(229,56,42,.18), transparent 70%),
    linear-gradient(160deg, #1b1712, #0d0c0b);
}
.scene-label { position: absolute; z-index: 2; left: var(--pad); top: clamp(96px, 14vh, 140px); color: rgba(244,239,232,.55); font-size: .8rem; letter-spacing: .2em; text-transform: uppercase; }
.scene-frame:has(.scene-media img) .scene-label { display: none; }
.scene-media img ~ .ph, .scene-media:has(img) .ph { display: none; }
.scene-frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,10,12,.82), rgba(10,10,12,.05) 55%); pointer-events: none; }
.scene-cap {
  position: absolute; z-index: 2; left: var(--pad); right: var(--pad); bottom: clamp(36px, 8vh, 90px); margin: 0; max-width: 18em;
  font-size: clamp(1.7rem, 4.6vw, 4rem); font-weight: 750; line-height: 1.12; letter-spacing: -0.03em; text-wrap: balance;
}
html[data-lang="zh"] .scene-cap { letter-spacing: 0; line-height: 1.3; max-width: 14em; }

/* ---------- Trust (why outreach fails) ---------- */
.trust { padding: clamp(90px, 12vw, 170px) 0 0; }
.trust .cards { grid-template-columns: repeat(3, 1fr); }
.trust .card h3 { margin-top: 40px; }
.tilt { transform-style: preserve-3d; will-change: transform; }

/* ---------- Offices ---------- */
.offices { padding: clamp(80px, 11vw, 150px) 0; }
.office-row { display: grid; grid-template-columns: auto 1fr auto; align-items: end; gap: clamp(14px, 3vw, 40px); margin-top: 56px; }
.office { display: flex; flex-direction: column; gap: 6px; }
.office .city { color: var(--muted); font-size: .85rem; letter-spacing: .22em; text-transform: uppercase; font-weight: 600; }
.office .clock { font-size: clamp(2.6rem, 8vw, 7rem); font-weight: 800; letter-spacing: -0.04em; line-height: 1; font-variant-numeric: tabular-nums; }
.office-line { width: 100%; height: auto; overflow: visible; align-self: center; }
.office-line path { fill: none; stroke: url(#none); stroke: var(--gold); stroke-width: 1.5; stroke-linecap: round; }
.office-dot { fill: var(--red); filter: drop-shadow(0 0 8px var(--red)); }
.office-note { margin: 40px 0 0; max-width: 34em; color: var(--muted); font-size: 1.1rem; }

/* ---------- About: languages ---------- */
.langs { margin: 26px 0 0; color: var(--gold); font-size: .95rem; letter-spacing: .12em; }

/* ---------- Legal pages ---------- */
.legal { max-width: 820px; margin: 0 auto 0 0; padding-bottom: clamp(70px, 9vw, 130px); }
.legal h3 { margin: 2.2em 0 .5em; font-size: 1.25rem; letter-spacing: -0.01em; }
.legal p, .legal li { color: var(--muted); font-size: 1.02rem; line-height: 1.75; }
.legal ul { padding-left: 1.2em; }

/* ---------- Footer legal row ---------- */
.foot-bottom { display: flex; flex-wrap: wrap; gap: 14px 40px; justify-content: space-between; align-items: center; margin-top: 40px; }
.foot-bottom .copyright { margin-top: 0; }
.legal-links { display: flex; gap: 22px; flex-wrap: wrap; font-size: .85rem; }
.legal-links a { color: var(--muted); transition: color .3s; }
.legal-links a:hover { color: var(--fg); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .principles .cards { grid-template-columns: 1fr; }
  .trust .cards { grid-template-columns: 1fr; }
  .svc { grid-template-columns: 1fr; padding: 28px 24px; }
  .svc .no { padding-top: 0; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .portrait { max-width: 460px; }
}
@media (max-width: 760px) {
  .menu-btn { display: inline-flex; }
  .nav-links { display: none; }
  .menu-overlay {
    display: flex; position: fixed; inset: 0; z-index: 99; background: var(--bg); flex-direction: column; justify-content: center;
    padding: 0 var(--pad); opacity: 0; visibility: hidden; transition: opacity .4s, visibility .4s;
  }
  .menu-overlay nav { display: flex; flex-direction: column; gap: 14px; }
  .menu-overlay a { font-size: 2.6rem; font-weight: 750; letter-spacing: -0.02em; }
  html.menu-open .menu-overlay { opacity: 1; visibility: visible; }
  .nav .btn.small { display: none; }
  .cards { grid-template-columns: 1fr; }
  .how-pin { min-height: 0; padding: 80px 0; }
  .how-track { flex-direction: column; width: auto; }
  .step { width: auto; min-height: 260px; }
  .how-progress { display: none; }
  .hero { padding-bottom: 50px; }
  .scroll-hint { display: none; }
  .problem-list li { grid-template-columns: 46px 1fr; }
  .office-row { grid-template-columns: 1fr 1fr; }
  .office-line { grid-column: 1 / -1; grid-row: 2; }
  .scene-cap { font-size: clamp(1.5rem, 7vw, 2.4rem); }
}
@media (prefers-reduced-motion: reduce) {
  .grain { animation: none; }
  .scroll-hint i::after { animation: none; }
}


/* ---------- Seal theme (light paper + vermilion) ---------- */
.cursor { background: var(--red); mix-blend-mode: normal; opacity: 0; }
.cursor.live { opacity: .9; }
.cursor.live.is-hover { opacity: .22; }
.grain { opacity: .04; }
.site-header { background: linear-gradient(to bottom, rgba(251,248,243,.92), rgba(251,248,243,0)); }
.hero::after { background: radial-gradient(ellipse at 30% 100%, rgba(251,248,243,.9), rgba(251,248,243,0) 70%); }
.step { background: linear-gradient(160deg, rgba(255,255,255,.85), rgba(255,255,255,.3)); }
.step .num { -webkit-text-stroke: 1px rgba(21,18,15,.3); }
.card, .svc, .cal { background: rgba(255,255,255,.55); }
.cal-ph { background: repeating-linear-gradient(135deg, rgba(21,18,15,.035) 0 12px, transparent 12px 24px); }
.scene-cap { color: #fbf8f3; }
.scene-label { color: rgba(251,248,243,.6); }
.portrait .tag b { color: #fbf8f3; }
.portrait .tag span { color: rgba(251,248,243,.78); }
.scene-media img { object-position: 50% 40%; }
.portrait img { object-position: 50% 62%; }
.logo svg { width: 32px; height: 32px; transform: rotate(-3deg); }
.socials { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 18px; font-size: .92rem; font-weight: 600; }
.socials a { color: var(--fg); border-bottom: 1px solid var(--line); padding-bottom: 2px; transition: color .3s, border-color .3s; }
.socials a:hover { color: var(--red); border-color: var(--red); }
.foot .mail { display: inline-block; margin-top: 12px; color: var(--fg); font-weight: 600; }
.qr { margin-top: 20px; }
.qr img { width: 100%; max-width: 230px; border-radius: 14px; border: 1px solid var(--line); background: #fff; }
.cal-ph .btn { margin-top: 6px; }

/* ---------- scene-seal: ink panel instead of a photo ---------- */
.scene-media .ph {
  background:
    radial-gradient(55% 60% at 80% 30%, rgba(200,50,31,.55), transparent 70%),
    radial-gradient(45% 50% at 10% 90%, rgba(224,101,58,.25), transparent 70%),
    linear-gradient(160deg, #241a15, #15120f);
}
.scene-media .ph::after {
  content: "\897f\6865"; position: absolute; right: 4vw; top: 50%; transform: translateY(-58%);
  font-family: "Songti SC", "STSong", "SimSun", "Noto Serif CJK SC", "Noto Serif SC", serif; font-weight: 900;
  font-size: clamp(10rem, 30vw, 34rem); line-height: 1; letter-spacing: 0; color: rgba(251,248,243,.06); pointer-events: none;
}


/* ---------- Dark theme (seal logo on near-black) ---------- */
:root {
  --bg: #0a0a0c; --bg-2: #111115; --fg: #f4efe8; --muted: #8f8b86;
  --line: rgba(244, 239, 232, 0.14);
  --red: #e5382a; --gold: #e9b872;
  --grad: linear-gradient(100deg, #e5382a, #e9b872);
}
.cursor { background: var(--fg); mix-blend-mode: difference; opacity: 0; }
.cursor.live { opacity: 1; }
.cursor.live.is-hover { opacity: 1; }
.grain { opacity: .06; }
.site-header { background: linear-gradient(to bottom, rgba(10,10,12,.85), rgba(10,10,12,0)); }
.hero::after { background: radial-gradient(ellipse at 30% 100%, rgba(10,10,12,.85), rgba(10,10,12,0) 70%); }
.step { background: linear-gradient(160deg, rgba(255,255,255,.04), rgba(255,255,255,0)); }
.step .num { -webkit-text-stroke: 1px rgba(244,239,232,.35); }
.card, .svc, .cal { background: rgba(255,255,255,.02); }
.cal-ph { background: repeating-linear-gradient(135deg, rgba(255,255,255,.025) 0 12px, transparent 12px 24px); }
.btn.solid { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.socials a:hover { color: var(--gold); border-color: var(--gold); }

/* ---------- scene-fx: lanterns, embers, glow ---------- */
.scene-media .ph { --wm: 0; }
.scene-media .ph::after { transform: translate(calc(var(--wm) * 1px), -58%); }
.scene-fx { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.scene-fx canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.scene-spot { position: absolute; left: 0; top: 0; width: 620px; height: 620px; margin: -310px 0 0 -310px; border-radius: 50%;
  background: radial-gradient(circle, rgba(229,56,42,.28), transparent 62%); opacity: 0; transition: opacity .6s; will-change: transform; }
.scene-fx.hot .scene-spot { opacity: 1; }
.lantern { position: absolute; top: 0; left: var(--x); width: 0; height: 0; --w: clamp(28px, 3.6vw, 56px); }
.lantern .sw { position: absolute; left: 0; top: 0; width: 0; height: 0; transform-origin: 0 0; animation: lsway var(--s) ease-in-out var(--d) infinite alternate; }
.lantern s { position: absolute; left: 0; top: -40px; width: 1px; height: calc(var(--l) + 40px); background: rgba(233,184,114,.45); }
.lantern b { position: absolute; left: calc(var(--w) / -2); top: var(--l); width: var(--w); height: calc(var(--w) * .82); border-radius: 50% / 46%;
  background: radial-gradient(ellipse at 50% 38%, #ff7a56, #e5382a 46%, #9c1d12);
  border-top: 3px solid #c9973f; border-bottom: 3px solid #c9973f;
  box-shadow: 0 0 calc(var(--w) * 1.2) rgba(229,56,42,.55); animation: lglow 3.2s ease-in-out var(--d) infinite alternate; }
.lantern u { position: absolute; left: -1px; top: calc(var(--l) + var(--w) * .82); width: 2px; height: calc(var(--w) * .6); background: linear-gradient(#e9b872, rgba(233,184,114,.15)); }
@keyframes lsway { from { transform: rotate(-3.2deg); } to { transform: rotate(3.2deg); } }
@keyframes lglow { from { filter: brightness(.85); } to { filter: brightness(1.2); } }
@media (max-width: 760px) { .lantern:nth-child(even) { display: none; } }
@media (prefers-reduced-motion: reduce) { .lantern .sw, .lantern b { animation: none; } }