/* In Their Words — concept page. Self-contained: does not depend on the parent site styles.css. */

:root {
  --ink: #1d1d1f;
  --ink-2: #424245;
  --gray: #6e6e73;
  --gray-l: #86868b;          /* only for 21px+ semibold copy */
  --line: #d2d2d7;
  --alt: #f5f5f7;
  --white: #fff;
  --blue: #0071e3;
  --link: #0066cc;
  --amber: #EBA23A;
  --amber-ink: #9C5A00;
  --amber-soft: #FBF1E1;
  --ver: #0B5CAD;
  --ver-soft: #EEF4FB;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, Arial, sans-serif;
  --voice: ui-serif, "New York", "Songti SC", "STSong", "Noto Serif SC", Georgia, serif;
  --w: 980px;
  --ww: 1200px;
  --gut: clamp(20px, 5vw, 44px);
  --r: 28px;
  --ease: cubic-bezier(.28, .11, .32, 1);
  color-scheme: light;
}

/* Language switching: both languages sit side by side in the markup. */
html[data-lang="en"] body [lang|="zh"]:not(.keep) { display: none !important; }
html[data-lang="zh"] body [lang="en"] { display: none !important; }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 52px; }
body {
  margin: 0; background: var(--white); color: var(--ink);
  font: 400 17px/1.47 var(--font); letter-spacing: -.022em;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
html[data-lang="zh"] body { letter-spacing: 0; line-height: 1.6; }
img, svg, canvas { display: block; max-width: 100%; }
img { height: auto; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; color: inherit; letter-spacing: inherit; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3, p, figure { margin: 0; }
.w { max-width: calc(var(--w) + 2 * var(--gut)); margin: 0 auto; padding: 0 var(--gut); }
.ww { max-width: calc(var(--ww) + 2 * var(--gut)); margin: 0 auto; padding: 0 var(--gut); }
.nw { white-space: nowrap; }
.sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 12px; }

/* Logo mark: 「•」 */
.mk { width: 22px; height: 22px; flex: none; }
.mk path { fill: none; stroke: currentColor; stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; }
.mk circle { fill: var(--amber); }

/* ---------- Local nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50; height: 52px;
  background: rgba(255, 255, 255, .78);
  -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent; transition: border-color .3s;
}
.nav.scrolled { border-bottom-color: rgba(0, 0, 0, .1); }
.nav-in { max-width: calc(var(--ww) + 2 * var(--gut)); margin: 0 auto; padding: 0 var(--gut); height: 100%; display: flex; align-items: center; gap: 22px; }
.brand { display: inline-flex; align-items: center; gap: 9px; color: var(--ink); font-size: 19px; font-weight: 600; letter-spacing: .01em; white-space: nowrap; }
.brand:hover { text-decoration: none; }
.nav-links { margin-left: auto; display: flex; gap: 24px; }
.nav-links a { color: var(--ink); font-size: 12px; opacity: .88; letter-spacing: -.01em; }
.nav-links a:hover { color: var(--link); text-decoration: none; opacity: 1; }
.lang { display: inline-flex; background: var(--alt); border-radius: 980px; padding: 2px; flex: none; }
.lang button { border: 0; background: none; cursor: pointer; font-size: 12px; line-height: 1; padding: 6px 10px; border-radius: 980px; color: var(--gray); }
.lang button[aria-pressed="true"] { background: var(--white); color: var(--ink); box-shadow: 0 1px 3px rgba(0, 0, 0, .12); }
.nav-cta { background: var(--blue); color: #fff; font-size: 12px; padding: 5px 12px; border-radius: 980px; white-space: nowrap; }
.nav-cta:hover { background: #0077ed; text-decoration: none; }
@media (max-width: 860px) { .nav-links { display: none; } .lang { margin-left: auto; } }
@media (max-width: 360px) { .nav-cta { display: none; } }

/* ---------- Type ---------- */
.eyebrow { font-size: clamp(19px, 2vw, 24px); font-weight: 600; line-height: 1.17; letter-spacing: .009em; color: var(--amber-ink); margin-bottom: 10px; }
h1 { font-size: clamp(44px, 7.4vw, 80px); font-weight: 600; line-height: 1.05; letter-spacing: -.015em; }
h2 { font-size: clamp(36px, 5.4vw, 56px); font-weight: 600; line-height: 1.07; letter-spacing: -.005em; }
html[data-lang="zh"] h1 { line-height: 1.12; letter-spacing: 0; }
html[data-lang="zh"] h2 { line-height: 1.16; letter-spacing: 0; }
.copy { font-size: clamp(19px, 1.9vw, 21px); font-weight: 600; line-height: 1.38; letter-spacing: .011em; color: var(--gray-l); margin-top: 24px; max-width: 34em; }
.copy strong { color: var(--ink); font-weight: 600; }
html[data-lang="zh"] .copy { letter-spacing: 0; line-height: 1.62; }
h1, h2 { text-wrap: balance; }

/* ---------- Buttons ---------- */
.btn { display: inline-block; background: var(--blue); color: #fff; font-size: 17px; line-height: 1.18; padding: 12px 22px; border-radius: 980px; transition: background .2s; }
.btn:hover { background: #0077ed; text-decoration: none; }
.more { font-size: 17px; color: var(--link); }
.more::after { content: " ›"; }
.ctas { display: flex; flex-wrap: wrap; gap: 14px 30px; align-items: center; justify-content: center; margin-top: 34px; }

/* ---------- Sections ---------- */
.sec { padding: clamp(84px, 11vw, 140px) 0; }
.alt { background: var(--alt); }
.dark { background: #000; color: #f5f5f7; }
.dark .eyebrow { color: var(--amber); }
.dark .copy { color: #a1a1a6; }
.dark .copy strong { color: #f5f5f7; }
.head { text-align: center; }
.head .copy { margin-left: auto; margin-right: auto; }
.head + .ww, .head + .w { margin-top: clamp(48px, 6vw, 72px); }

/* Reveal on scroll (only when JS is running) */
html.js .rv { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
html.js .rv.in { opacity: 1; transform: none; }

/* ---------- Hero ---------- */
.hero { padding: clamp(56px, 8vw, 96px) 0 clamp(64px, 8vw, 110px); text-align: center; }
.mk-hero { width: 56px; height: 56px; margin: 0 auto 18px; }
.mk-hero path { stroke-width: 3.4; }
.hero-name { font-size: clamp(21px, 2.2vw, 24px); font-weight: 600; margin-bottom: 14px; letter-spacing: .009em; }
.hero-sub { font-size: clamp(19px, 2.1vw, 24px); font-weight: 600; line-height: 1.25; color: var(--gray); max-width: 30em; margin: 22px auto 0; letter-spacing: .009em; }
html[data-lang="zh"] .hero-sub { line-height: 1.55; letter-spacing: 0; }
.hero-note { margin-top: 22px; font-size: 14px; color: var(--gray); }
.hero-media { margin-top: clamp(48px, 6vw, 72px); }
.hero-media img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--r); }
@media (max-width: 640px) { .hero-media img { aspect-ratio: 4 / 3; border-radius: 20px; } }

/* ---------- Split (text + image) ---------- */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(40px, 6vw, 96px); align-items: center; }
.split-rev .split-media { order: 2; }
.split h2 { margin-top: 0; }
.split-media img { width: 100%; border-radius: var(--r); object-fit: cover; }
#once .split-media img { aspect-ratio: 4 / 5; }
#made .split-media img { aspect-ratio: 4 / 5; }
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; }
  .split-rev .split-media { order: 0; }
  .split-media img, #once .split-media img, #made .split-media img { aspect-ratio: 4 / 3; border-radius: 20px; }
}

/* ---------- Bento ---------- */
.bento { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.tile { background: var(--alt); border-radius: var(--r); overflow: hidden; display: flex; flex-direction: column; }
.tile-text { padding: clamp(28px, 3.4vw, 44px) clamp(26px, 3.4vw, 44px) 26px; }
.tile h3 { font-size: clamp(24px, 2.5vw, 28px); font-weight: 600; line-height: 1.14; letter-spacing: .007em; }
.tile p { margin-top: 10px; font-size: 17px; color: var(--ink-2); max-width: 30em; }
.tile img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; margin-top: auto; transform: scale(1.04); transition: transform 1.4s var(--ease); }
.tile.in img { transform: scale(1); }
.bento .tile:nth-child(2) { transition-delay: .08s; }
.bento .tile:nth-child(4) { transition-delay: .08s; }
@media (max-width: 760px) { .bento { grid-template-columns: 1fr; } .tile { border-radius: 22px; } }

/* ---------- 5.7 million ---------- */
.field { text-align: center; }
.stage { position: relative; max-width: 980px; margin: 0 auto; }
#dots { width: 100%; aspect-ratio: 76 / 42; }
.person {
  position: absolute; left: 50%; top: 66%; transform: translate(-50%, -50%) scale(.97);
  background: rgba(29, 29, 31, .86); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, .14); border-radius: 18px; padding: 14px 22px 15px; min-width: 240px;
  opacity: 0; visibility: hidden; transition: opacity .6s var(--ease), transform .6s var(--ease), visibility 0s linear .6s;
}
.person.show { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.person-name { font-size: 21px; font-weight: 600; color: #f5f5f7; }
.person-name span { font-weight: 400; color: #a1a1a6; font-size: 15px; margin-left: 4px; }
.person-meta { font-size: 14px; color: #a1a1a6; margin-top: 2px; }
.person-link { display: inline-block; margin-top: 8px; font-size: 14px; color: #2997ff; }
.person-link::after { content: " ›"; }
.caps { position: relative; height: 2.6em; margin-top: 26px; }
.cap { position: absolute; inset: 0; font-size: clamp(24px, 3.2vw, 40px); font-weight: 600; letter-spacing: -.003em; line-height: 1.1; opacity: 0; transition: opacity .8s var(--ease); }
.cap.on { opacity: 1; }
.field figcaption { margin-top: 14px; font-size: 14px; color: #a1a1a6; }
@media (max-width: 560px) { .caps { height: 2.4em; } .person { min-width: 210px; padding: 11px 16px; } .person-name { font-size: 18px; } }

/* ---------- Timeline ---------- */
.tl-key { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px 28px; margin-bottom: 28px; font-size: 14px; color: var(--ink-2); }
.k::before { content: ""; display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 8px; vertical-align: 0; }
.k-rec::before { background: var(--ver); }
.k-his::before { background: var(--amber); }
.tl-cols { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; position: relative; }
.tl-col { display: flex; flex-direction: column; gap: 12px; }
.tl-col:nth-child(2) { transition-delay: .08s; }
.tl-col:nth-child(3) { transition-delay: .16s; }
.tl-col:nth-child(4) { transition-delay: .24s; }
.tl-date { font-size: 17px; font-weight: 600; padding-bottom: 12px; border-bottom: 2px solid var(--ink); }
.tl-rec, .tl-his { border-radius: 18px; padding: 18px 18px 16px; display: flex; flex-direction: column; gap: 12px; }
.tl-rec { background: var(--ver-soft); flex: 1 1 auto; }
.tl-his { background: var(--amber-soft); flex: 1 1 auto; }
.tl-rec p { font-size: 15px; line-height: 1.47; color: var(--ink); }
.tl-his p { font-family: var(--voice); font-size: 17px; line-height: 1.45; color: var(--ink); letter-spacing: 0; }
html[data-lang="zh"] .tl-rec p, html[data-lang="zh"] .tl-his p { line-height: 1.75; }
.tl-src { margin-top: auto; font-size: 12px; font-weight: 600; letter-spacing: 0; }
.tl-rec .tl-src { color: var(--ver); }
.tl-his .tl-src { color: var(--amber-ink); }
@media (max-width: 960px) { .tl-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 36px; } }
@media (max-width: 600px) { .tl-cols { grid-template-columns: 1fr; } }

.quote-media { margin-top: clamp(56px, 7vw, 88px); position: relative; }
.quote-media img { width: 100%; aspect-ratio: 21 / 9; object-fit: cover; border-radius: var(--r); }
.quote-media figcaption {
  position: absolute; left: calc(var(--gut) + clamp(20px, 4vw, 48px)); right: calc(var(--gut) + clamp(20px, 4vw, 48px)); bottom: clamp(20px, 4vw, 44px);
  color: #fff; font-size: clamp(19px, 2.4vw, 28px); font-weight: 600; line-height: 1.25; max-width: 24em;
  text-shadow: 0 1px 24px rgba(0, 0, 0, .45);
}
.quote-media::after { content: ""; position: absolute; inset: 0 var(--gut); border-radius: var(--r); background: linear-gradient(to top, rgba(0, 0, 0, .55), rgba(0, 0, 0, 0) 60%); pointer-events: none; }
.quote-media figcaption { z-index: 1; }
html[data-lang="zh"] .quote-media figcaption { line-height: 1.5; }
@media (max-width: 640px) { .quote-media img { aspect-ratio: 4 / 3; border-radius: 20px; } .quote-media::after { border-radius: 20px; } }

/* ---------- Demo ---------- */
.legend { list-style: none; margin: 0 0 18px; padding: 0; display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 26px; font-size: 14px; color: var(--ink-2); }
.legend li { display: flex; align-items: center; gap: 8px; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.d-his { background: var(--amber); }
.d-note { background: #8e8e93; }
.d-ver { background: var(--ver); }

.app { background: var(--white); border-radius: 24px; overflow: hidden; box-shadow: 0 2px 6px rgba(0, 0, 0, .04), 0 24px 60px -20px rgba(0, 0, 0, .18); }
.app-bar { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid #e8e8ed; }
.mk-app { width: 34px; height: 34px; padding: 6px; background: var(--ink); color: #fff; border-radius: 9px; }
.app-title strong { display: block; font-size: 15px; font-weight: 600; letter-spacing: -.01em; }
.app-title span { display: block; font-size: 12px; color: var(--gray); }
.ctl { margin-left: auto; border: 0; background: var(--alt); color: var(--ink); border-radius: 980px; padding: 6px 13px; font-size: 13px; cursor: pointer; display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; }
.ctl:hover { background: #e8e8ed; }
.ctl .live { width: 7px; height: 7px; border-radius: 50%; background: var(--amber); animation: pulse 1.4s ease-in-out infinite; }

.askers { display: flex; gap: 8px; padding: 12px 18px; border-bottom: 1px solid #e8e8ed; overflow-x: auto; scrollbar-width: none; }
.askers::-webkit-scrollbar { display: none; }
.asker { display: flex; align-items: center; gap: 10px; border: 0; background: var(--alt); border-radius: 14px; padding: 7px 14px 7px 7px; cursor: pointer; text-align: left; flex: none; transition: background .2s, box-shadow .2s; }
.asker:hover { background: #ebebf0; }
.asker[aria-pressed="true"] { background: var(--white); box-shadow: 0 0 0 2px var(--ink); }
.ini { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-size: 13px; font-weight: 600; flex: none; color: #fff; }
.ini-mia { background: #3A6E5A; }
.ini-leo { background: #8A5A1E; }
.ini-hong { background: #5B4E8C; }
.asker strong { display: block; font-size: 14px; font-weight: 600; line-height: 1.25; }
.asker small { display: block; font-size: 12px; color: var(--gray); line-height: 1.3; }
@media (max-width: 560px) { .askers { flex-wrap: wrap; } }

.app-main { display: grid; grid-template-columns: minmax(0, 1fr) 270px; }
.convo { height: clamp(460px, 62vh, 600px); overflow-y: auto; padding: 24px clamp(16px, 2.6vw, 30px) 10px; overscroll-behavior: contain; }
.shelf { border-left: 1px solid #e8e8ed; padding: 18px; background: #fbfbfd; font-size: 13px; }
.shelf h3 { font-size: 12px; font-weight: 600; color: var(--gray); margin: 0 0 10px; display: flex; align-items: center; gap: 8px; letter-spacing: 0; }
.count { display: inline-grid; place-items: center; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 980px; background: var(--ink); color: #fff; font-size: 11px; }
.items { list-style: none; margin: 0 0 24px; padding: 0; display: grid; gap: 6px; }
.items li { display: flex; gap: 10px; align-items: center; background: var(--white); border-radius: 10px; padding: 9px 10px; line-height: 1.35; box-shadow: 0 0 0 1px #e8e8ed; transition: box-shadow .3s, background .3s, transform .3s var(--ease); }
.items li.lit { background: var(--amber-soft); box-shadow: 0 0 0 1.5px var(--amber); transform: translateX(-4px); }
.ic { width: 17px; height: 17px; flex: none; fill: none; stroke: var(--gray); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.items li.lit .ic { stroke: var(--amber-ink); }
.nextq { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.nextq li { font-size: 13px; line-height: 1.45; border-left: 2px solid var(--line); padding: 3px 0 3px 10px; color: var(--ink-2); }
.nextq li.new { border-color: var(--amber); animation: flash 1.6s ease; }
@media (max-width: 900px) {
  .app-main { grid-template-columns: 1fr; }
  .shelf { border-left: 0; border-top: 1px solid #e8e8ed; }
  .items { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .convo { height: clamp(440px, 66vh, 580px); }
}
@media (max-width: 420px) { .items { grid-template-columns: 1fr; } }

.empty { height: 100%; display: grid; place-items: center; text-align: center; color: var(--gray); font-size: 15px; padding: 20px; }
.turn { margin: 0 0 30px; }
.q { display: flex; justify-content: flex-end; align-items: flex-end; gap: 8px; margin: 0 0 14px; }
.q p { background: var(--blue); color: #fff; border-radius: 20px 20px 6px 20px; padding: 9px 15px; max-width: min(78%, 32em); font-size: 15.5px; line-height: 1.42; letter-spacing: -.01em; }
.q .ini { width: 26px; height: 26px; font-size: 11px; }
.seek { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--gray); margin: 0 0 10px; }
.seek i { display: inline-flex; gap: 4px; }
.seek i b { width: 6px; height: 6px; border-radius: 50%; background: #c7c7cc; animation: bob 1s ease-in-out infinite; }
.seek i b:nth-child(2) { animation-delay: .15s; }
.seek i b:nth-child(3) { animation-delay: .3s; }

.a { position: relative; padding: 2px 0 2px 16px; max-width: 42em; }
.a::before { content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 3px; border-radius: 2px; background: var(--amber); }
.a-note::before, .a-gap::before { background: #c7c7cc; }
.a-label { font-size: 12px; color: var(--gray); margin: 0 0 6px; line-height: 1.4; letter-spacing: 0; }
.a-label b { font-weight: 600; color: var(--amber-ink); }
.a-note .a-label b, .a-gap .a-label b { color: var(--ink-2); }
.a-his .a-text { font-family: var(--voice); font-size: 20px; line-height: 1.45; color: var(--ink); letter-spacing: 0; }
html[data-lang="zh"] .a-his .a-text { font-size: 19px; line-height: 1.8; }
.a-note .a-text, .a-gap .a-text { font-size: 16px; line-height: 1.55; color: var(--ink-2); }
html[data-lang="zh"] .a-note .a-text, html[data-lang="zh"] .a-gap .a-text { line-height: 1.8; }
.a-aside { margin-top: 8px; font-size: 13px; color: var(--gray); }
.a-text.typing::after { content: ""; display: inline-block; width: 2px; height: 1em; background: currentColor; margin-left: 2px; vertical-align: -2px; animation: blink 1s steps(1) infinite; }
.a-tools { display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: center; margin-top: 12px; }
.linkbtn { border: 0; background: none; padding: 0; font-size: 13px; color: var(--link); cursor: pointer; margin-right: 6px; }
.linkbtn:hover { text-decoration: underline; }
.src { font-size: 12px; background: var(--alt); border-radius: 980px; padding: 3px 10px; color: var(--ink-2); line-height: 1.4; }
.orig { margin-top: 10px; background: var(--alt); border-radius: 14px; padding: 12px 14px; }
.orig-at { font-size: 12px; color: var(--gray); margin: 0 0 6px; }
.orig-zh { font-family: "Songti SC", "STSong", "Noto Serif SC", serif; font-size: 17px; line-height: 1.75; letter-spacing: 0; }
.orig-en { font-family: var(--voice); font-style: italic; font-size: 15px; line-height: 1.5; color: var(--ink-2); margin-top: 8px; letter-spacing: 0; }
.related { margin-top: 12px; }
.related-label { font-size: 12px; color: var(--gray); margin-bottom: 6px; }
.related .chip { margin: 0 6px 6px 0; }
.addq { margin-top: 10px; border: 0; background: var(--amber-soft); color: var(--amber-ink); border-radius: 980px; padding: 7px 14px; font-size: 13px; font-weight: 600; cursor: pointer; transition: background .2s, transform .2s; }
.addq:hover { background: #F7E4C6; }
.addq.press { transform: scale(.96); }
.addq[disabled] { background: transparent; color: var(--gray); font-weight: 400; cursor: default; padding-left: 0; }
.ctx { margin: 14px 0 0 16px; max-width: 40em; background: var(--ver-soft); border-radius: 14px; padding: 11px 14px 12px; }
.ctx-label { font-size: 12px; font-weight: 600; color: var(--ver); margin: 0 0 3px; letter-spacing: 0; }
.ctx-body { font-size: 14.5px; line-height: 1.5; color: #1f2d3d; letter-spacing: -.01em; }
.ctx-src { font-size: 12px; color: var(--ver); margin-top: 6px; }
html[data-lang="zh"] .ctx-body { line-height: 1.75; letter-spacing: 0; }
.pending { display: none !important; }
.enter { animation: rise .45s var(--ease) both; }

.app-foot { border-top: 1px solid #e8e8ed; padding: 12px 18px 16px; }
.suggest { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; align-items: center; }
.suggest-label { font-size: 12px; color: var(--gray); margin-right: 2px; }
.suggest .done { font-size: 13px; color: var(--gray); }
.chip { font-size: 14px; line-height: 1.3; text-align: left; cursor: pointer; border: 0; background: var(--alt); color: var(--ink); border-radius: 980px; padding: 8px 14px; letter-spacing: -.01em; transition: background .2s; }
.chip:hover { background: #e8e8ed; }
.ask { display: flex; gap: 8px; }
.ask input { flex: 1; min-width: 0; height: 44px; border: 0; border-radius: 980px; padding: 0 18px; font: 400 16px var(--font); background: var(--alt); color: var(--ink); box-shadow: inset 0 0 0 1px transparent; transition: box-shadow .2s; }
.ask input:focus { outline: none; box-shadow: inset 0 0 0 2px var(--blue); }
.ask.auto input { box-shadow: inset 0 0 0 2px var(--amber); }
.ask button { height: 44px; border-radius: 980px; border: 0; background: var(--blue); color: #fff; padding: 0 20px; font-size: 15px; cursor: pointer; flex: none; }
.ask button:hover { background: #0077ed; }

/* ---------- Principles ---------- */
.rules { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 48px 40px; }
.rules li:nth-child(3n+2) { transition-delay: .06s; }
.rules li:nth-child(3n) { transition-delay: .12s; }
.ico { width: 34px; height: 34px; fill: none; stroke: var(--ink); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 14px; }
.rules h3 { font-size: 19px; font-weight: 600; line-height: 1.26; letter-spacing: .012em; }
.rules p { margin-top: 6px; font-size: 17px; color: var(--ink-2); }
html[data-lang="zh"] .rules h3 { letter-spacing: 0; }
.nevers { margin-top: clamp(56px, 7vw, 80px); padding-top: 28px; border-top: 1px solid var(--line); text-align: center; font-size: clamp(21px, 2.4vw, 28px); font-weight: 600; letter-spacing: .007em; }
@media (max-width: 900px) { .rules { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .rules { grid-template-columns: 1fr; gap: 36px; } }

/* ---------- Steps ---------- */
.steps { list-style: none; margin: 34px 0 0; padding: 0; }
.steps li { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 16px; padding: 18px 0; border-top: 1px solid var(--line); }
.steps li:last-child { border-bottom: 1px solid var(--line); }
.step-n { width: 30px; height: 30px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font-size: 14px; font-weight: 600; margin-top: 1px; }
.steps li:first-child .step-n { background: var(--amber); color: var(--ink); }
.steps h3 { font-size: 19px; font-weight: 600; line-height: 1.3; }
.steps p { margin-top: 4px; font-size: 17px; color: var(--ink-2); }

/* ---------- Gap ---------- */
.gap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(150px, 1fr) minmax(0, 1fr); align-items: center; gap: 18px; }
.gp { background: #1d1d1f; border-radius: 22px; padding: 24px 26px; }
.gp-yr { font-size: clamp(40px, 5vw, 56px); font-weight: 600; line-height: 1; letter-spacing: -.01em; }
.gp-name { font-size: 19px; font-weight: 600; margin-top: 12px; }
.gp-meta { font-size: 15px; color: #a1a1a6; margin-top: 2px; }
.gp-line { position: relative; text-align: center; font-size: 14px; color: var(--amber); }
.gp-line::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; border-top: 1.5px dashed rgba(235, 162, 58, .7); }
.gp-line > span { position: relative; background: #000; padding: 4px 10px; display: inline-block; line-height: 1.5; }
@media (max-width: 720px) {
  .gap { grid-template-columns: 1fr; gap: 8px; }
  .gp-line { padding: 18px 0; }
  .gp-line::before { left: 50%; right: auto; top: 0; bottom: 0; border-top: 0; border-left: 1.5px dashed rgba(235, 162, 58, .7); }
}

/* ---------- Status ---------- */
.cta-line { margin-top: 36px; font-size: clamp(21px, 2.4vw, 28px); font-weight: 600; line-height: 1.3; }

/* ---------- Footer ---------- */
.foot { background: var(--alt); padding: 28px 0 40px; font-size: 12px; line-height: 1.6; color: var(--gray); letter-spacing: -.01em; }
.foot p + p { margin-top: 8px; }
.foot a { color: var(--ink-2); text-decoration: underline; text-underline-offset: 2px; text-decoration-color: rgba(0, 0, 0, .25); }
.foot-brand { display: flex; align-items: center; gap: 8px; color: var(--ink); font-weight: 600; font-size: 13px; padding-bottom: 14px; margin-bottom: 14px; border-bottom: 1px solid var(--line); }
.foot-brand .mk { width: 18px; height: 18px; }

/* ---------- Motion ---------- */
@keyframes blink { 50% { opacity: 0; } }
@keyframes bob { 0%, 100% { transform: translateY(0); opacity: .5; } 50% { transform: translateY(-3px); opacity: 1; } }
@keyframes pulse { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes flash { 0% { background: var(--amber-soft); } 100% { background: transparent; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .rv { opacity: 1; transform: none; transition: none; }
  .tile img { transform: none; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}