:root {
--void: #07090d;
--surface: #0e1219;
--surface-raised: #151b25;
--line: #232c3a;
--line-strong: #56657c;
--ink: #eef2f7;
--muted: #8a96a8;
--signal: #22e4f2;
--on-signal: #07090d;
--signal-ink: #22e4f2;
--ember: #ff7a45;
--focus: #22e4f2;
--ok: #5bd1a0; --warn: #f2b53c; --error: #ff6b5e;
--glow: rgba(34, 228, 242, .16);
--shadow-lift: 0 24px 60px rgba(0, 0, 0, .55);
--logo-body: #f4f7fa;
--qr-paper: #ffffff;
--qr-ink: #0b0e13;
--scrim: rgba(7, 9, 13, .9);
color-scheme: dark;
}
@media (prefers-color-scheme: light) {
:root:not([data-theme="dark"]) {
--void: #f4f5f0; --surface: #ffffff; --surface-raised: #eceee7;
--line: #d5d9d0; --line-strong: #7b8476;
--ink: #0b0e13; --muted: #5a6474;
--on-signal: #07090d;
--signal-ink: #00707a;
--ember: #b8410e; --focus: #00707a;
--ok: #13795b; --warn: #9a5b00; --error: #b42318;
--glow: rgba(0, 112, 122, .12);
--shadow-lift: 0 20px 50px rgba(11, 14, 19, .14);
--logo-body: #0b0e13;
color-scheme: light;
}
}
:root[data-theme="light"] {
--void: #f4f5f0; --surface: #ffffff; --surface-raised: #eceee7;
--line: #d5d9d0; --line-strong: #7b8476;
--ink: #0b0e13; --muted: #5a6474;
--on-signal: #07090d; --signal-ink: #00707a;
--ember: #b8410e; --focus: #00707a;
--ok: #13795b; --warn: #9a5b00; --error: #b42318;
--glow: rgba(0, 112, 122, .12);
--shadow-lift: 0 20px 50px rgba(11, 14, 19, .14);
--logo-body: #0b0e13;
color-scheme: light;
}
:root {
--f-display: Oswald, "Noto Sans SC", "Arial Narrow", sans-serif;
--f-body: Comfortaa, "Noto Sans SC", "Trebuchet MS", sans-serif;
--f-mono: "JetBrains Mono", "Noto Sans SC", ui-monospace, Menlo, monospace;
--f-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
--t-hero: clamp(48px, 15vw, 96px);
--t-h1: clamp(34px, 6vw, 56px);
--t-h2: clamp(24px, 3.4vw, 30px);
--t-lead: clamp(18px, 2.4vw, 22px);
--t-body: 16px;
--t-small: 14px;
--t-label: 12px;
--s-1: 4px; --s-2: 8px; --s-3: 12px; --s-4: 16px; --s-6: 24px;
--s-10: 40px; --s-16: 64px; --s-24: 96px;
--gutter: max(16px, env(safe-area-inset-left, 0px));
--section: clamp(64px, 10vw, 128px);
--maxw: 1160px;
--r-sm: 6px; --r-md: 12px; --r-lg: 20px; --r-pill: 999px;
--cut: 18px;
--dur-fast: .16s; --dur-base: .32s; --dur-slow: .7s;
--ease-out: cubic-bezier(.16, 1, .3, 1);
--ease-spring: cubic-bezier(.34, 1.56, .64, 1);
}
.motion-ready .reveal:not(.in) { opacity: 0; transform: translateY(28px); }
.motion-ready .reveal { transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); transition-delay: var(--d, 0s); }
.caret { animation: caret 1.06s steps(1) infinite; }
@keyframes caret { 50% { opacity: 0; } }
.lang-thumb { transition: transform var(--dur-base) var(--ease-out), width var(--dur-base) var(--ease-out); }
.btn { transition: transform .5s var(--ease-spring), background var(--dur-fast), border-color var(--dur-fast); will-change: transform; }
.btn-primary { overflow: hidden; }
.btn-primary::before { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, .55) 50%, transparent 70%); transform: translateX(-120%); }
.btn-primary:hover::before { transition: transform .7s var(--ease-out); transform: translateX(120%); }
.btn .arrow { transition: transform var(--dur-fast) var(--ease-out); }
.btn:hover .arrow { transform: translateX(4px); }
.save:hover .arrow { transform: translateY(3px); }
.scan { animation: scan 5.5s var(--ease-out) 1.4s infinite; }
@keyframes scan { 0% { top: -30%; opacity: 0; } 8% { opacity: .9; } 55% { top: 100%; opacity: .9; } 56%, 100% { top: 100%; opacity: 0; } }
.corner { transition: transform var(--dur-base) var(--ease-out); }
.photo:hover .corner.tl { transform: translate(-4px, -4px); }
.photo:hover .corner.br { transform: translate(4px, 4px); }
.marquee-track { animation: marquee 42s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.card { transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base), box-shadow var(--dur-base); transform-style: preserve-3d; }
.card::after { transition: opacity var(--dur-base); }
.card.is-tilt { transition: border-color var(--dur-base), box-shadow var(--dur-base); border-color: var(--line-strong); box-shadow: var(--shadow-lift); }
.card.is-tilt::after { opacity: 1; }
.card-media img, .media-glyph { transition: transform .9s var(--ease-out); }
.card:hover .card-media img, .card:hover .media-glyph { transform: scale(1.04); }
.card-next:hover { border-color: var(--signal); }
.card-next .arrow { transition: transform var(--dur-fast); }
.card-next:hover .arrow { transform: translateX(6px); }
.steps::after { transition: transform .2s linear; }
.step .num { transition: background var(--dur-base), color var(--dur-base), border-color var(--dur-base); }
.step.on .num { background: var(--signal); color: var(--on-signal); border-color: var(--signal); }
.about-photo img { transition: transform 1.2s var(--ease-out); }
.about-photo:hover img { transform: scale(1.04); }
.toast { animation: toastIn .35s var(--ease-spring); transition: opacity .3s, transform .3s; }
.toast.out { opacity: 0; transform: translate(-50%, 12px); }
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, 16px); } }
.qr-sheet { opacity: 0; transition: opacity .28s var(--ease-out); }
.qr-sheet.in { opacity: 1; }
.qr-card { transform: translateY(24px) scale(.94); transition: transform .5s var(--ease-spring); }
.qr-sheet.in .qr-card { transform: none; }
.qr-sheet.in .qr-beam { animation: qrbeam 2.6s var(--ease-out) .35s infinite; }
@keyframes qrbeam { 0% { top: 6%; opacity: 0; } 10% { opacity: 1; } 60% { top: 92%; opacity: 1; } 70%, 100% { top: 92%; opacity: 0; } }
.qr-sheet.in .qr-corner { animation: qrcorner 1.6s var(--ease-out) infinite alternate; }
@keyframes qrcorner { to { transform: scale(1.12); } }
.qr-btn { transition: border-color var(--dur-fast), color var(--dur-fast); }
@media (prefers-reduced-motion: reduce) {
*, *::before, *::after { animation: none !important; transition: none !important; }
.motion-ready .reveal:not(.in) { opacity: 1; transform: none; }
html { scroll-behavior: auto; }
}
@media (hover: none), (max-width: 760px) {
.btn, .copy, .lang-opt, .card { -webkit-tap-highlight-color: transparent; }
.btn:active, .copy:active { transform: scale(.97); transition: transform .12s; }
.btn-primary::before { display: none; }
.ripple { position: absolute; border-radius: 50%; pointer-events: none; background: rgba(255, 255, 255, .45); transform: scale(0); animation: ripple .6s var(--ease-out) forwards; }
.btn-ghost .ripple, .copy .ripple { background: var(--glow); }
@keyframes ripple { to { transform: scale(2.6); opacity: 0; } }
.btn, .copy { overflow: hidden; }
.card { transition: transform .2s var(--ease-out), border-color .2s; }
.card:active { transform: scale(.985); border-color: var(--signal); }
.card:hover .card-media img, .card:hover .media-glyph { transform: none; }
.marquee-track { animation-duration: 30s; }
.scan { animation-duration: 7s; }
.motion-ready .reveal:not(.in) { transform: translateY(16px); }
.motion-ready .reveal { transition-duration: .5s; }
.qr-sheet.in .qr-beam { animation-duration: 3.2s; }
.qr-sheet.in .qr-corner { animation: none; }
.qr-btn:active { transform: scale(.94); }
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--void); color: var(--ink); font: 400 var(--t-body)/1.65 var(--f-body); overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--signal); color: var(--on-signal); }
h1, h2, h3 { margin: 0; font-weight: 600; text-wrap: balance; }
p { margin: 0; }
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-left: var(--gutter); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
section { position: relative; padding-block: var(--section) 0; }
.label { font: 500 var(--t-label)/1.35 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.label > span:first-child { color: var(--signal-ink); }
h2 { font: 600 var(--t-h1)/1.02 var(--f-display); text-transform: uppercase; letter-spacing: -.005em; margin-top: var(--s-3); }
.intro { margin-top: var(--s-4); color: var(--muted); font-size: var(--t-lead); max-width: 40ch; }
.lb { fill: var(--logo-body); }
.lc { fill: var(--signal); }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--void); }
.nav { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; border-bottom: 1px solid transparent; transition: background var(--dur-base), border-color var(--dur-base); }
.nav.is-stuck { background: color-mix(in srgb, var(--void) 82%, transparent); border-color: var(--line); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); }
@supports not (background: color-mix(in srgb, red 50%, blue)) { .nav.is-stuck { background: var(--void); } }
.nav-in { display: flex; align-items: center; gap: var(--s-6); max-width: var(--maxw); margin: 0 auto; padding: var(--s-3) max(16px, env(safe-area-inset-right, 0px)) var(--s-3) var(--gutter); }
.brand { display: flex; align-items: center; gap: var(--s-3); text-decoration: none; margin-right: auto; min-height: 44px; }
.brand-mark { width: 30px; height: 31px; flex: none; }
.brand-name { font: 600 15px/1 var(--f-body); letter-spacing: .24em; }
.links { display: flex; gap: var(--s-1); }
.links a { display: block; padding: var(--s-3) var(--s-3); font: 500 var(--t-label)/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); text-decoration: none; transition: color var(--dur-fast); }
.links a:hover { color: var(--ink); }
.lang { position: relative; display: inline-flex; padding: var(--s-1); border: 1px solid var(--line); border-radius: var(--r-pill); background: var(--surface); }
.lang-thumb { position: absolute; top: var(--s-1); bottom: var(--s-1); left: 0; width: 0; border-radius: var(--r-pill); background: var(--signal); }
.lang-opt { position: relative; z-index: 1; display: flex; align-items: center; justify-content: center; min-width: 46px; min-height: 36px; padding: 0 var(--s-3); border-radius: var(--r-pill); color: var(--muted); text-decoration: none; font: 500 var(--t-label)/1 var(--f-mono); letter-spacing: .06em; transition: color var(--dur-fast); }
.lang-opt:hover { color: var(--ink); }
.lang-opt[aria-checked="true"] { color: var(--on-signal); }
.no-js .lang-opt[aria-checked="true"] { background: var(--signal); }
.btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2); min-height: 52px; padding: var(--s-3) var(--s-6); border: 1px solid transparent; border-radius: var(--r-sm); font: 600 15px/1 var(--f-body); text-decoration: none; cursor: pointer; -webkit-tap-highlight-color: transparent; }
.btn-primary { background: var(--signal); color: var(--on-signal); clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { background: var(--surface-raised); border-color: var(--ink); }
.arrow { display: inline-block; }
.hero { padding-block: clamp(32px, 7vw, 88px) clamp(48px, 7vw, 96px); isolation: isolate; }
.dots { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; }
.hero-in { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero-text { min-width: 0; }
.term { font: 400 var(--t-small)/1.6 var(--f-mono); color: var(--muted); min-height: 22px; }
.caret { display: inline-block; width: .58em; height: 1.05em; margin-left: 2px; vertical-align: -3px; background: var(--signal); }
.hello { margin-top: var(--s-6); font: 500 var(--t-small)/1.4 var(--f-mono); color: var(--signal-ink); letter-spacing: .06em; }
.name { margin-top: var(--s-2); font: 600 var(--t-hero)/.9 var(--f-display); text-transform: uppercase; letter-spacing: -.012em; white-space: nowrap; }
.role { margin-top: var(--s-4); font: 400 var(--t-lead)/1.4 var(--f-body); color: var(--muted); }
.tag { margin-top: var(--s-2); font: 600 clamp(20px, 3vw, 28px)/1.3 var(--f-body); max-width: 24ch; }
.cta { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: var(--s-10); }
.photo { position: relative; margin: 0; aspect-ratio: 4 / 5; max-width: 100%; background: var(--surface); clip-path: polygon(0 0, calc(100% - 15%) 0, 100% 12%, 100% calc(100% - 12%), calc(100% - 15%) 100%, 0 100%); }
.photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 20%; }
.about-photo { position: relative; width: min(100%, 300px); aspect-ratio: 4 / 5; margin: 0 0 var(--s-6); overflow: hidden; background: var(--surface); clip-path: polygon(0 0, 85% 0, 100% 12%, 100% 100%, 0 100%); }
.about-photo img { width: 100%; height: 100%; object-fit: cover; }
.photo-ph { position: absolute; inset: 0; display: grid; place-items: center; background:
radial-gradient(120% 80% at 70% 20%, var(--glow), transparent 60%),
repeating-linear-gradient(0deg, var(--line) 0 1px, transparent 1px 24px),
repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 24px), var(--surface); }
.ph-mark { width: 38%; height: auto; }
.ph-label { position: absolute; left: var(--s-4); bottom: var(--s-4); display: flex; align-items: center; gap: var(--s-2); padding: var(--s-2) var(--s-3); border: 1px solid var(--line); border-radius: var(--r-pill); background: var(--void); font: 500 var(--t-label)/1 var(--f-mono); color: var(--muted); }
.ph-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--warn); }
.corner { position: absolute; width: 22px; height: 22px; border: 2px solid var(--signal); pointer-events: none; }
.corner.tl { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.corner.br { bottom: 12px; right: 18%; border-left: 0; border-top: 0; }
.scan { position: absolute; left: 0; right: 0; height: 30%; top: -30%; pointer-events: none; background: linear-gradient(180deg, transparent, var(--glow) 85%, var(--signal) 100%); opacity: .0; }
.stack { padding-block: 0; border-block: 1px solid var(--line); }
.stack .label { padding-block: var(--s-4) 0; }
.marquee { overflow: hidden; padding-block: var(--s-4) var(--s-6); -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; width: max-content; align-items: center; gap: var(--s-6); }
.chip { font: 500 clamp(22px, 3.4vw, 36px)/1 var(--f-display); text-transform: uppercase; white-space: nowrap; }
.sep { color: var(--signal-ink); font: 400 clamp(22px, 3.4vw, 36px)/1 var(--f-mono); }
.head { margin-bottom: var(--s-10); }
.bento { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: var(--s-4); }
.span-4 { grid-column: span 4; } .span-2 { grid-column: span 2; }
.card { position: relative; display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); color: var(--ink); text-decoration: none; min-width: 0; }
.card::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; background: radial-gradient(460px circle at var(--mx, 50%) var(--my, 50%), var(--glow), transparent 60%); }
.card-media { position: relative; aspect-ratio: 16 / 10; max-width: 100%; overflow: hidden; border-bottom: 1px solid var(--line); background: linear-gradient(140deg, var(--c1), var(--c2) 72%); }
.span-4 .card-media { aspect-ratio: 16 / 8; }
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.media-glyph { position: absolute; right: -2%; bottom: -18%; font: 600 clamp(140px, 22vw, 260px)/1 var(--f-display); color: rgba(255, 255, 255, .06); }
.media-note { position: absolute; left: var(--s-4); top: var(--s-4); padding: var(--s-1) var(--s-2); border: 1px solid var(--warn); border-radius: var(--r-sm); color: var(--warn); background: rgba(7, 9, 13, .6); font: 500 var(--t-label)/1.35 var(--f-mono); }
.card-body { display: flex; flex-direction: column; gap: var(--s-2); padding: var(--s-6); flex: 1; }
.card h3 { font: 500 var(--t-h2)/1.15 var(--f-display); }
.card p { color: var(--muted); font-size: var(--t-small); line-height: 1.6; }
.tags { display: flex; flex-wrap: wrap; gap: var(--s-2); margin-top: auto; padding-top: var(--s-2); }
.tags span { padding: var(--s-1) var(--s-2); border: 1px solid var(--line); border-radius: var(--r-sm); color: var(--muted); font: 500 var(--t-label)/1.35 var(--f-mono); }
.card-next { grid-column: span 4; justify-content: center; gap: var(--s-2); padding: var(--s-6); border-style: dashed; border-color: var(--line-strong); background: transparent; min-height: 240px; }
.card-next .label > span { font-size: 28px; }
.card-next h3 { font: 600 var(--t-h2)/1.1 var(--f-display); text-transform: uppercase; }
.next-cta { margin-top: var(--s-4); color: var(--signal-ink); font: 500 var(--t-small)/1 var(--f-mono); letter-spacing: .06em; }
.about-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.bio { margin-top: var(--s-6); font: 400 clamp(20px, 2.6vw, 26px)/1.55 var(--f-body); max-width: 30ch; }
.bio2 { margin-top: var(--s-4); color: var(--muted); font-size: var(--t-body); line-height: 1.75; max-width: 52ch; }
.process { padding-top: var(--s-2); }
.steps { position: relative; list-style: none; margin: var(--s-6) 0 0; padding: 0; }
.steps::before, .steps::after { content: ""; position: absolute; left: 15px; top: 8px; bottom: 8px; width: 2px; background: var(--line); }
.steps::after { background: var(--signal); transform-origin: top; transform: scaleY(var(--p, 1)); }
.step { position: relative; display: grid; grid-template-columns: 32px minmax(0, 1fr); gap: var(--s-4); padding-block: var(--s-3); }
.num { position: relative; z-index: 1; display: grid; place-items: center; width: 32px; height: 32px; border: 1px solid var(--line-strong); border-radius: 50%; background: var(--void); font: 500 var(--t-label)/1 var(--f-mono); color: var(--signal-ink); }
.step h3 { font: 500 20px/1.25 var(--f-display); text-transform: uppercase; letter-spacing: .01em; }
.step p { margin-top: 2px; font-size: var(--t-small); color: var(--muted); }
.contact { padding-bottom: var(--section); }
.contact-title { font-size: clamp(44px, 9vw, 112px); line-height: .95; max-width: 14ch; }
.rows { margin-top: var(--s-10); border-top: 1px solid var(--line); }
.row { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: var(--s-4); align-items: center; min-height: 72px; padding-block: var(--s-3); border-bottom: 1px solid var(--line); }
.row-k { font: 500 var(--t-label)/1.35 var(--f-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.row-v { font: 600 clamp(16px, 2.6vw, 24px)/1.3 var(--f-body); overflow-wrap: anywhere; text-decoration: none; }
.row-v.sel { -webkit-user-select: all; user-select: all; }
.row-v.pending { color: var(--warn); font: 500 var(--t-small)/1.4 var(--f-mono); }
.copy { display: none; min-height: 40px; padding: 0 var(--s-4); border: 1px solid var(--line-strong); border-radius: var(--r-pill); background: transparent; color: var(--ink); font: 500 var(--t-label)/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; cursor: pointer; transition: background var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast); }
.copy:hover { border-color: var(--ink); }
.copy.done { background: var(--ok); border-color: var(--ok); color: var(--on-signal); }
.row-v .ext, h3 .ext { color: var(--signal-ink); font-family: var(--f-mono); font-size: .7em; }
.row-v .ext { font-size: var(--t-label); }
.row-wx { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3); min-width: 0; }
.copy-id { min-height: 44px; padding: 0 var(--s-4); border: 1px solid var(--line-strong); border-radius: var(--r-pill); background: transparent; color: var(--ink); font: 500 var(--t-label)/1 var(--f-mono); letter-spacing: .08em; cursor: pointer; }
.copy-id:hover { border-color: var(--signal); color: var(--signal-ink); }
a.row-v { display: block; padding-block: var(--s-3); }
a.row-v:hover { color: var(--signal-ink); }
.actions { display: flex; flex-wrap: wrap; gap: var(--s-3); margin-top: var(--s-10); }
.toast { position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom, 0px)); z-index: 70; display: flex; align-items: center; gap: var(--s-2); margin: 0; padding: var(--s-3) var(--s-6); border: 1px solid var(--ok); border-radius: var(--r-pill); background: var(--surface); color: var(--ink); font: 500 var(--t-small)/1.3 var(--f-body); transform: translateX(-50%); box-shadow: var(--shadow-lift); white-space: nowrap; }
.toast[hidden] { display: none; }
.toast-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }
.foot { border-top: 1px solid var(--line); }
.foot-in { display: flex; justify-content: space-between; gap: var(--s-4); flex-wrap: wrap; padding-block: var(--s-6) calc(var(--s-6) + env(safe-area-inset-bottom, 0px)); font: 400 var(--t-label)/1.4 var(--f-mono); color: var(--muted); letter-spacing: .06em; }
.foot-code { color: var(--signal-ink); }
html[lang="zh-Hans"] body { font-family: var(--f-cn); line-height: 1.8; }
html[lang="zh-Hans"] .name, html[lang="zh-Hans"] h2, html[lang="zh-Hans"] h3,
html[lang="zh-Hans"] .tag, html[lang="zh-Hans"] .bio, html[lang="zh-Hans"] .role, html[lang="zh-Hans"] .intro,
html[lang="zh-Hans"] .card p, html[lang="zh-Hans"] .row-v { font-family: var(--f-cn); letter-spacing: 0; text-transform: none; }
html[lang="zh-Hans"] .name { font-weight: 700; line-height: 1.05; }
html[lang="zh-Hans"] .label, html[lang="zh-Hans"] .links a { letter-spacing: .04em; }
.qr-btn { display: inline-flex; align-items: center; gap: var(--s-2); min-height: 44px; padding: 0 var(--s-3); border: 1px solid var(--line-strong); border-radius: var(--r-pill); background: transparent; color: var(--ink); font: 500 var(--t-label)/1 var(--f-mono); letter-spacing: .08em; cursor: pointer; }
.qr-btn:hover { border-color: var(--signal); color: var(--signal-ink); }
.qr-ic { width: 18px; height: 18px; flex: none; }
.btn .qr-ic { width: 20px; height: 20px; }
html.qr-on { overflow: hidden; }
.qr-sheet { position: fixed; inset: 0; z-index: 90; display: grid; place-items: center; padding: max(16px, env(safe-area-inset-top, 0px)) 16px max(16px, env(safe-area-inset-bottom, 0px)); background: var(--scrim); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.qr-sheet[hidden] { display: none; }
.qr-card { position: relative; width: min(100%, 420px); padding: var(--s-6) var(--s-6) var(--s-10); border-radius: var(--r-lg); background: var(--qr-paper); color: var(--qr-ink); text-align: center; box-shadow: 0 30px 80px rgba(0, 0, 0, .6), 0 0 0 1px var(--glow); }
.qr-close { position: absolute; top: var(--s-2); right: var(--s-2); width: 44px; height: 44px; border: 0; border-radius: 50%; background: transparent; color: var(--qr-ink); font: 400 30px/1 var(--f-body); cursor: pointer; }
.qr-code { position: relative; width: min(100%, 320px); aspect-ratio: 1; margin: var(--s-6) auto 0; }
.qr-code svg { display: block; width: 100%; height: 100%; }
.qr-beam { position: absolute; left: 6%; right: 6%; height: 3px; top: 8%; border-radius: 2px; background: var(--signal); box-shadow: 0 0 18px var(--signal); opacity: 0; pointer-events: none; }
.qr-corner { position: absolute; width: 26px; height: 26px; border: 3px solid var(--signal); pointer-events: none; }
.qr-corner.tl { top: -8px; left: -8px; border-right: 0; border-bottom: 0; }
.qr-corner.tr { top: -8px; right: -8px; border-left: 0; border-bottom: 0; }
.qr-corner.bl { bottom: -8px; left: -8px; border-right: 0; border-top: 0; }
.qr-corner.br { bottom: -8px; right: -8px; border-left: 0; border-top: 0; }
.qr-name { margin-top: var(--s-6); font: 600 40px/1 var(--f-display); text-transform: uppercase; }
.qr-role { margin-top: var(--s-2); font: 400 var(--t-small)/1.4 var(--f-body); }
.qr-hint { margin-top: var(--s-4); font: 400 var(--t-small)/1.5 var(--f-body); opacity: .7; }
.qr-url { margin-top: var(--s-2); font: 500 var(--t-label)/1 var(--f-mono); letter-spacing: .08em; opacity: .7; }
html[lang="zh-Hans"] .qr-name { font-family: var(--f-cn); font-weight: 700; }
@media (min-width: 961px) { .name { font-size: clamp(72px, 8.4vw, 124px); } }
@media (max-width: 960px) {
.hero-in { grid-template-columns: minmax(0, 1fr); }
.photo { max-width: 420px; }
.bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.span-4 { grid-column: span 2; } .span-2, .card-next { grid-column: span 1; }
.about-in { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 760px) {
.links { display: none; }
.brand-name { display: none; }
.brand { min-width: 44px; }
.lang-opt { min-height: 40px; min-width: 48px; }
.nav-in { gap: var(--s-3); }
.qr-btn { padding: 0; width: 44px; justify-content: center; }
.qr-btn span { display: none; }
.hero { padding-top: var(--s-6); }
.hero-in { gap: var(--s-10); }
.photo { order: -1; width: 64%; max-width: 280px; }
.about-photo { width: 62%; max-width: 260px; }
.cta .btn { flex: 1 1 100%; }
.bento { grid-template-columns: minmax(0, 1fr); }
.span-4, .span-2, .card-next { grid-column: auto; }
.span-4 .card-media { aspect-ratio: 16 / 10; }
.row { grid-template-columns: minmax(0, 1fr); gap: var(--s-1); }
.actions .btn { flex: 1 1 100%; }
.lang-opt { padding: 0 var(--s-2); }
}