:root {
  --ink: #0a0c10;
  --ink-2: #10141c;
  --ink-3: #191f2b;
  --gold: #c9a227;
  --gold-l: #e6cd7d;
  --gold-d: #8f7118;
  --paper: #f7f5f1;
  --white: #fff;
  --text: #171a1f;
  --muted: #5f6672;
  --line: rgba(16, 20, 28, 0.11);
  --line-dark: rgba(255, 255, 255, 0.13);
  --serif: "Source Han Serif SC", "Noto Serif CJK SC", "Noto Serif SC", "Songti SC", SimSun, "Times New Roman", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --wrap: 1180px;
  --pad: clamp(20px, 5vw, 56px);
  --sec-y: clamp(56px, 9vw, 112px);
  --r: 2px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
  line-break: strict;
  word-break: normal;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; margin: 0; line-height: 1.25; text-wrap: balance; }
p { margin: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }
code { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: .92em; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--pad); }
.wrap-narrow { max-width: 780px; }
.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--gold); color: var(--ink); padding: 10px 18px;
}
.skip:focus { left: 12px; top: 12px; }
.ic { width: 1em; height: 1em; flex: none; }

/* ---------- header ---------- */
.hdr {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 12, 16, 0.94);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line-dark);
}
.hdr-in { display: flex; align-items: center; gap: 28px; height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand img { width: 42px; height: 42px; }
.brand-txt { display: flex; flex-direction: column; line-height: 1.2; }
.brand-txt b {
  font-family: var(--serif); font-size: 21px; font-weight: 600;
  color: var(--gold-l); letter-spacing: .16em;
}
.brand-txt i {
  font-style: normal; font-size: 11px; color: rgba(255, 255, 255, .56);
  letter-spacing: .22em; text-transform: uppercase; margin-top: 3px;
}
.nav { display: flex; gap: 4px; }
.nav-a {
  position: relative; padding: 8px 14px; font-size: 15px;
  color: rgba(255, 255, 255, .74); transition: color .2s;
}
.nav-a:hover { color: var(--gold-l); }
.nav-a::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 1px; background: var(--gold); transform: scaleX(0);
  transform-origin: left; transition: transform .25s;
}
.nav-a:hover::after, .nav-a.is-active::after { transform: scaleX(1); }
.nav-a.is-active { color: var(--white); }
.hdr-r { display: flex; align-items: center; gap: 14px; }
.lang {
  font-size: 13px; letter-spacing: .1em; color: rgba(255, 255, 255, .6);
  border: 1px solid var(--line-dark); padding: 6px 12px; transition: .2s;
}
.lang:hover { color: var(--gold-l); border-color: var(--gold-d); }
.burger { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.burger span {
  display: block; width: 22px; height: 1.5px; background: var(--gold-l);
  margin: 5px 0; transition: .25s;
}

/* ---------- hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--ink); color: var(--white);
  padding: clamp(64px, 11vw, 132px) 0 clamp(56px, 9vw, 104px);
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background:
    radial-gradient(1100px 480px at 78% -10%, rgba(201, 162, 39, .17), transparent 62%),
    radial-gradient(760px 420px at 8% 108%, rgba(201, 162, 39, .09), transparent 60%);
}
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; z-index: 2;
  background: linear-gradient(90deg, transparent, rgba(201, 162, 39, .5), transparent);
}
.hero-mark {
  position: absolute; right: -70px; top: 50%; transform: translateY(-50%);
  width: 460px; height: 460px; opacity: .07; pointer-events: none; z-index: 1;
  background: url("/assets/logo-512.png") center/contain no-repeat;
}
.hero-img {
  position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0;
  object-fit: cover; object-position: center;
}
.hero.has-img::before {
  background: linear-gradient(96deg,
    var(--ink) 0%, rgba(10, 12, 16, .95) 40%,
    rgba(10, 12, 16, .8) 62%, rgba(10, 12, 16, .48) 100%);
}
.hero.has-img .hero-mark { display: none; }
.hero-in { position: relative; z-index: 3; max-width: 880px; }
.kicker {
  font-size: 12.5px; letter-spacing: .3em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 22px;
}
.kicker-center { text-align: center; }
.hero-title {
  font-size: clamp(34px, 6.2vw, 62px); letter-spacing: .06em; line-height: 1.22;
}
.hero-title em { font-style: normal; color: var(--gold-l); }
.hero-sub {
  margin-top: 26px; max-width: 660px; font-size: clamp(15px, 1.55vw, 17.5px);
  color: rgba(255, 255, 255, .7); line-height: 1.95;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 40px; }
.hero-meta {
  display: flex; flex-wrap: wrap; gap: 44px; margin-top: 56px;
  padding-top: 30px; border-top: 1px solid var(--line-dark);
}
.hero-meta li { display: flex; flex-direction: column; gap: 4px; }
.hero-meta span {
  font-family: var(--serif); font-size: 26px; color: var(--gold-l); letter-spacing: .04em;
}
.hero-meta li { font-size: 12.5px; color: rgba(255, 255, 255, .5); letter-spacing: .16em; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 26px; font-size: 15px; letter-spacing: .06em;
  border: 1px solid transparent; transition: .22s; cursor: pointer;
  font-family: var(--sans);
}
.btn-ic { font-size: 15px; transition: transform .22s; }
.btn:hover .btn-ic { transform: translateX(4px); }
.btn-gold { background: var(--gold); color: var(--ink); }
.btn-gold:hover { background: var(--gold-l); }
.btn-ghost { border-color: rgba(255, 255, 255, .3); color: var(--white); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold-l); }
.btn-line { border-color: var(--line); color: var(--text); }
.btn-line:hover { border-color: var(--gold); color: var(--gold-d); }
.row-gap { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

/* ---------- band ---------- */
.band { background: var(--ink-2); border-top: 1px solid var(--line-dark); }
.band-in { display: grid; grid-template-columns: repeat(4, 1fr); }
.band-item {
  padding: 30px 26px 30px 0; margin-left: 26px;
  border-left: 1px solid var(--line-dark);
  display: flex; gap: 16px; align-items: flex-start;
}
.band-item:first-child { border-left: 0; margin-left: 0; padding-left: 0; }
.band-item .ic { font-size: 26px; color: var(--gold); margin-top: 3px; }
.band-item b {
  display: block; font-family: var(--serif); font-size: 16.5px;
  color: var(--white); letter-spacing: .05em; font-weight: 600;
}
.band-item span { font-size: 13.5px; color: rgba(255, 255, 255, .5); line-height: 1.6; }

/* ---------- photo banner ---------- */
.banner {
  position: relative; overflow: hidden; background: var(--ink); color: var(--white);
  border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark);
}
.banner-img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center;
}
.banner-shade {
  position: absolute; inset: 0;
  background: linear-gradient(96deg,
    rgba(10, 12, 16, .96) 0%, rgba(10, 12, 16, .9) 38%,
    rgba(10, 12, 16, .62) 68%, rgba(10, 12, 16, .34) 100%);
}
.banner-in { position: relative; display: flex; align-items: center; min-height: clamp(290px, 34vw, 430px); padding-block: clamp(44px, 6vw, 76px); }
.banner-txt { max-width: 560px; }
.banner .kicker { margin-bottom: 18px; }
.banner .h2 { font-size: clamp(24px, 3.1vw, 38px); }
.banner .h2::after { left: 0; transform: none; }
.banner-d { margin-top: 20px; font-size: 15.5px; line-height: 1.95; color: rgba(255, 255, 255, .74); }
.banner-d strong { color: var(--gold-l); font-weight: 600; }
.banner-cap {
  margin-top: 22px; font-size: 12.5px; letter-spacing: .1em;
  color: rgba(255, 255, 255, .4); padding-left: 14px; border-left: 1px solid var(--gold-d);
}

/* ---------- AI 生成内容显式标识（§0.1 R3）---------- */
.ai-tag {
  position: absolute; top: 10px; right: 10px; z-index: 4;
  padding: 3px 9px; border: 1px solid rgba(255, 255, 255, .22); border-radius: 2px;
  font-size: 12px; line-height: 1.6; letter-spacing: .04em; white-space: nowrap;
  color: rgba(255, 255, 255, .82); background: rgba(10, 12, 16, .52);
  -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
  pointer-events: none;
}
.shot, .figure { position: relative; }
.figure .ai-tag { top: 8px; right: 8px; }
.ftr-ai { flex: 1 1 100%; order: 3; }

/* ---------- photo shots ---------- */
.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.shot { margin: 0; }
.shot img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border: 1px solid var(--line); }
.shot figcaption { padding-top: 16px; border-top: 1px solid var(--line); margin-top: 16px; }
.shot figcaption b {
  display: block; font-family: var(--serif); font-size: 16.5px; letter-spacing: .05em;
  color: var(--text); font-weight: 600; margin-bottom: 6px;
}
.shot figcaption span { display: block; font-size: 14px; color: var(--muted); line-height: 1.8; }
.shot figcaption strong { color: var(--gold-d); font-weight: 600; }

/* ---------- sections ---------- */
.sec { padding: var(--sec-y) 0; }
.sec-alt { background: var(--paper); }
.sec-dark { background: var(--ink); color: var(--white); }
.sec-dark .h2, .sec-dark .para { color: var(--white); }
.sec-dark .h2-sub, .sec-dark .para { color: rgba(255, 255, 255, .72); }
.head { max-width: 720px; margin: 0 auto clamp(38px, 5vw, 60px); text-align: center; }
.head .kicker { margin-bottom: 14px; }
.h2 {
  font-size: clamp(25px, 3.5vw, 38px); letter-spacing: .05em;
  position: relative; padding-bottom: 22px;
}
.h2::after {
  content: ""; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
  width: 46px; height: 1px; background: var(--gold);
}
.split .h2::after, .cta .h2::after { left: 0; transform: none; }
.h2-sub { margin-top: 18px; color: var(--muted); font-size: 16px; line-height: 1.9; }
.para { margin-top: 20px; color: #2b3038; font-size: 16.5px; line-height: 2.05; }
.para:first-of-type { margin-top: 0; }
.para strong { color: var(--gold-d); font-weight: 600; }
.sec-note { padding: 0 0 clamp(40px, 5vw, 64px); }
.note {
  font-size: 13.5px; color: var(--muted); line-height: 1.9;
  border-left: 2px solid var(--gold); padding-left: 18px; max-width: 900px;
}
.note a { color: var(--gold-d); border-bottom: 1px solid rgba(201, 162, 39, .4); }

/* ---------- grid + cards ---------- */
.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  position: relative; background: var(--white); border: 1px solid var(--line);
  padding: 38px 32px; transition: .28s; overflow: hidden;
}
.sec-alt .card { background: var(--white); }
.card::before {
  content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 2px;
  background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform .32s;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 22px 44px rgba(10, 12, 16, .09); border-color: rgba(201, 162, 39, .38); }
.card:hover::before { transform: scaleX(1); }
.card-ic {
  width: 54px; height: 54px; display: grid; place-items: center;
  border: 1px solid rgba(201, 162, 39, .35); color: var(--gold-d);
  margin-bottom: 24px; transition: .28s;
}
.card-ic .ic { font-size: 26px; }
.card:hover .card-ic { background: var(--gold); color: var(--white); border-color: var(--gold); }
.card h3 { font-size: 19px; letter-spacing: .04em; margin-bottom: 12px; }
.card p { font-size: 14.8px; color: var(--muted); line-height: 1.88; }
.card p strong { color: var(--text); font-weight: 600; }
.card-link {
  display: inline-flex; align-items: center; gap: 7px; margin-top: 18px;
  font-size: 13.5px; letter-spacing: .1em; color: var(--gold-d);
}
.card-link .ic { font-size: 14px; transition: transform .22s; }
.card-link:hover .ic { transform: translateX(4px); }

/* ---------- stats ---------- */
.stat { text-align: center; padding: 10px 6px; }
.stat-n {
  display: block; font-family: var(--serif); font-size: clamp(34px, 4.6vw, 52px);
  color: var(--gold-d); font-weight: 600; line-height: 1.1; letter-spacing: .02em;
}
.stat-l { display: block; margin-top: 12px; font-size: 15px; letter-spacing: .08em; }
.stat-d { margin-top: 10px; font-size: 13.3px; color: var(--muted); line-height: 1.75; }

/* ---------- split ---------- */
.split { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(34px, 6vw, 76px); align-items: center; }
.split .kicker { margin-bottom: 16px; }
.split .h2 { font-size: clamp(23px, 2.9vw, 34px); }
.lead { margin-top: 22px; font-size: 16.2px; color: #333941; line-height: 2; }
.lead strong { color: var(--gold-d); }
.ticks { margin-top: 26px; display: grid; gap: 14px; }
.ticks li { display: flex; gap: 13px; font-size: 15.2px; color: #3a4048; line-height: 1.8; }
.ticks strong { color: var(--text); }
.li-ic { font-size: 19px; color: var(--gold); margin-top: 4px; }
.split-side { padding: clamp(28px, 4vw, 44px); border: 1px solid var(--line); background: var(--paper); }
.split-side.is-dark { background: var(--ink-2); border-color: var(--line-dark); }
.panel-item + .panel-item { margin-top: 26px; padding-top: 26px; border-top: 1px solid var(--line-dark); }
.panel-item b {
  display: block; font-family: var(--serif); font-size: 15px; letter-spacing: .1em;
  color: var(--gold); margin-bottom: 8px; font-weight: 600;
}
.panel-item p { font-size: 15px; color: rgba(255, 255, 255, .72); line-height: 1.85; }
.figure img { border: 1px solid var(--line); }
.figure figcaption { margin-top: 12px; font-size: 13px; color: var(--muted); }
.split-side.is-dark .figure img { border-color: var(--line-dark); }
.figure + .panel-item { margin-top: 26px; padding-top: 26px; border-top: 1px solid var(--line-dark); }
.split-side:not(.is-dark) .figure + .panel-item { border-top-color: var(--line); }

/* ---------- readable line breaks ---------- */
.para, .lead, .hero-sub, .note, .tr dd { text-wrap: balance; }
.h2, .card h3, .tl-item h3, .step h3, .hero-title, .banner .h2 { text-wrap: balance; }
/* short blocks: balance the last line instead of stranding one or two characters */
.card p, .band-item span, .band-item b, .stat-l, .stat-d, .tl-item p, .step p,
.ticks li, .shot figcaption span, .panel-item p, .ftr-list li, .cta-d, .banner-cap,
.h2-sub, .quote-p, .banner-d,
.qi-d, .gate-d, .gate-t, .ql-d, .qb-d, .qb-t, .qo-d { text-wrap: balance; }
/* 自评题干/选项、表单标签：两行时把末行填满，不留几个字吊着 */
.q-t, .q-l, .q-opt, .fld-hint, .form-note, .apply-form label, .quiz-pass-banner, .apply-checklist { text-wrap: balance; }

/* ---------- table ---------- */
.table { max-width: 900px; margin: 0 auto; border-top: 1px solid var(--line); }
.tr { display: grid; grid-template-columns: 220px 1fr; gap: 24px; padding: 19px 6px; border-bottom: 1px solid var(--line); }
.tr dt { font-size: 14px; color: var(--muted); letter-spacing: .06em; }
.tr dd { font-size: 15.5px; color: var(--text); }
.tr dd strong { color: var(--gold-d); }

/* ---------- timeline ---------- */
.tl { max-width: 860px; margin: 0 auto; position: relative; }
.tl::before { content: ""; position: absolute; left: 92px; top: 8px; bottom: 8px; width: 1px; background: var(--line); }
.tl-item { display: grid; grid-template-columns: 92px 1fr; gap: 34px; padding: 0 0 38px; position: relative; }
.tl-item:last-child { padding-bottom: 0; }
.tl-y { font-family: var(--serif); font-size: 15px; color: var(--gold-d); letter-spacing: .06em; padding-top: 1px; text-align: right; }
.tl-item > div { position: relative; }
.tl-item > div::before {
  content: ""; position: absolute; left: -23px; top: 9px; width: 9px; height: 9px;
  background: var(--white); border: 1px solid var(--gold); border-radius: 50%;
}
.tl-item.is-now > div::before { background: var(--gold); }
.tl-item h3 { font-size: 18px; margin-bottom: 8px; letter-spacing: .03em; }
.tl-item p { font-size: 14.8px; color: var(--muted); line-height: 1.85; }

/* ---------- steps ---------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; counter-reset: s; }
.step { display: flex; gap: 18px; }
.step-n {
  font-family: var(--serif); font-size: 26px; color: var(--gold); line-height: 1;
  min-width: 42px; border-bottom: 1px solid rgba(201, 162, 39, .3); padding-bottom: 6px;
}
.step h3 { font-size: 17.5px; margin-bottom: 8px; }
.step p { font-size: 14.6px; color: var(--muted); line-height: 1.85; }

/* ---------- quote ---------- */
.mark { font-family: var(--serif); font-size: 92px; line-height: .6; color: var(--gold); opacity: .5; }
.quote-p { margin-top: 26px; font-family: var(--serif); font-size: clamp(17px, 2.1vw, 21px); line-height: 2.05; color: rgba(255, 255, 255, .88); letter-spacing: .02em; }
.quote-p strong { color: var(--gold-l); font-weight: 600; }
.quote-by { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line-dark); display: flex; align-items: baseline; gap: 14px; }
.quote-by b { font-family: var(--serif); font-size: 18px; color: var(--gold-l); letter-spacing: .12em; }
.quote-by span { font-size: 13px; color: rgba(255, 255, 255, .45); letter-spacing: .1em; }

/* ---------- cta ---------- */
.cta { background: linear-gradient(120deg, var(--ink) 0%, var(--ink-3) 100%); color: var(--white); padding: clamp(48px, 7vw, 78px) 0; border-top: 1px solid var(--line-dark); }
.cta-in { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta .h2 { font-size: clamp(22px, 3vw, 32px); }
.cta-d { margin-top: 16px; color: rgba(255, 255, 255, .62); font-size: 15.5px; letter-spacing: .04em; }
.cta-b { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- form ---------- */
.form { max-width: 880px; margin: 0 auto; }
.fld { margin-bottom: 22px; }
.fld-half, .fld-full { display: grid; gap: 10px; }
.form label { font-size: 13.5px; letter-spacing: .1em; color: var(--muted); line-height: 1.6; }
.req { font-size: 12px; color: var(--gold-d); letter-spacing: .06em; opacity: .8; margin-inline-end: .5em; }
.form input, .form select, .form textarea {
  font-family: var(--sans); font-size: 16px; color: var(--text);
  padding: 13px 15px; border: 1px solid var(--line); background: var(--white);
  width: 100%; transition: .2s; border-radius: 0;
}
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201, 162, 39, .12);
}
.form textarea { resize: vertical; min-height: 130px; line-height: 1.8; }
.form-foot { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; margin-top: 30px; }
.form-note { font-size: 13px; color: var(--muted); line-height: 1.7; flex: 1 1 320px; min-width: 0; }
.form-status { margin-top: 16px; font-size: 14px; color: var(--gold-d); min-height: 22px; }
.form-status.err { color: #b4432f; }

/* ---------- footer ---------- */
.ftr { background: var(--ink); color: rgba(255, 255, 255, .6); font-size: 14px; }
.ftr-in {
  display: grid; grid-template-columns: 1.4fr 1fr 1.3fr 1.2fr;
  gap: 44px; padding: clamp(48px, 6vw, 72px) var(--pad) 44px;
}
.ftr-brand img { width: 56px; height: 56px; margin-bottom: 20px; }
.ftr-name { font-family: var(--serif); font-size: 16px; color: var(--white); letter-spacing: .06em; line-height: 1.6; }
.ftr-slogan { margin-top: 12px; font-size: 13px; color: rgba(255, 255, 255, .4); letter-spacing: .1em; }
.ftr-col h4 {
  font-size: 13px; letter-spacing: .18em; color: var(--gold); margin-bottom: 20px;
  text-transform: uppercase; font-family: var(--sans); font-weight: 500;
}
.ftr-links { display: flex; flex-direction: column; gap: 11px; }
.ftr-links a:hover { color: var(--gold-l); }
.ftr-list { display: flex; flex-direction: column; gap: 13px; }
.ftr-list li { display: flex; gap: 10px; line-height: 1.7; }
.ftr-list .ic { font-size: 16px; color: var(--gold); margin-top: 4px; }
.ftr-list a:hover { color: var(--gold-l); text-decoration: underline; }
.ftr-bar { border-top: 1px solid var(--line-dark); padding: 22px 0; }
.ftr-bar-in { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; font-size: 12.6px; color: rgba(255, 255, 255, .38); letter-spacing: .04em; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .nav-a { padding: 8px 10px; font-size: 14px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .ftr-in { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .burger { display: block; }
  .nav {
    position: fixed; inset: 74px 0 auto; flex-direction: column; gap: 0;
    background: var(--ink); border-bottom: 1px solid var(--line-dark);
    padding: 8px var(--pad) 22px; display: none;
    max-height: calc(100vh - 74px); overflow-y: auto; -webkit-overflow-scrolling: touch;
  }
  body.nav-open .nav { display: flex; }
  body.nav-open .burger span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  body.nav-open .burger span:nth-child(2) { opacity: 0; }
  body.nav-open .burger span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
  .nav-a { padding: 14px 0; font-size: 16px; border-bottom: 1px solid rgba(255, 255, 255, .06); }
  .nav-a::after { display: none; }
  .band-in { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .hero-meta { gap: 28px; }
  /* touch targets: iOS HIG 44pt / Material 48dp */
  .lang { min-height: 44px; display: inline-flex; align-items: center; }
  .card-link { display: inline-block; padding: 11px 0; }
  .ftr-links { gap: 0; }
  .ftr-links a { padding: 11px 0; }
  .ftr-list { gap: 0; }
  .ftr-list li > * { padding: 11px 0; }
  .ftr-bar a { display: inline-block; padding: 11px 0; }
  .ftr-bar-in { gap: 4px; }
}
@media (max-width: 820px) {
  .banner-shade {
    background: linear-gradient(180deg, rgba(10, 12, 16, .9), rgba(10, 12, 16, .96));
  }
  .banner-in { min-height: 0; }
  .banner-txt { max-width: none; }
  /* 以照片为主的 banner：手机上要留出画面高度，压暗只压底部文字区，否则人像被裁成一条 */
  .banner-photo .banner-in { min-height: clamp(230px, 62vw, 300px); align-items: flex-end; }
  .banner-photo .banner-shade {
    background: linear-gradient(180deg, rgba(10, 12, 16, .1) 0%, rgba(10, 12, 16, .3) 55%, rgba(10, 12, 16, .92) 100%);
  }
  .shots { grid-template-columns: 1fr; gap: 30px; }
  .hero-img { opacity: .45; }
}
@media (max-width: 620px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .band-in { grid-template-columns: 1fr; }
  .tr { grid-template-columns: 1fr; gap: 6px; }
  .tl::before { left: 0; }
  .tl-item { grid-template-columns: 1fr; gap: 8px; padding-left: 26px; }
  .tl-y { text-align: left; }
  .tl-item > div::before { left: -26px; }
  .ftr-in { grid-template-columns: 1fr; gap: 34px; }
  .hdr-in { gap: 14px; }
  .brand-txt b { font-size: 18px; letter-spacing: .1em; }
  .cta-in { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}
@media print {
  .hdr, .ftr, .cta { display: none; }
  body { color: #000; }
}

/* —— 人才自评与应聘 /careers/apply/ —— */
.quiz { max-width: 760px; margin: 0 auto; }
.quiz-intro, .quiz-locked, .quiz-ok, .quiz-bad, .quiz-done {
  border: 1px solid var(--line); background: var(--white);
  padding: clamp(22px, 4vw, 38px);
}
.quiz p { font-size: 14.6px; color: var(--muted); line-height: 1.85; margin-bottom: 14px; }
.quiz p b { color: var(--text); font-weight: 600; }
.quiz p:last-child, .quiz .btn { margin-bottom: 0; }
.q { border: 0; padding: 0; margin: 0 0 26px; min-width: 0; }
.q.is-missing { outline: 2px solid #b4432f; outline-offset: 8px; }
.q-progress { font-size: 13.5px; color: var(--muted); margin: 18px 0 10px; letter-spacing: .05em; }
.q-t { font-family: var(--serif); font-size: 16.5px; font-weight: 600; color: var(--text); margin-bottom: 10px; line-height: 1.6; }
.q-opt {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 10px 12px; border: 1px solid var(--line); background: var(--white);
  cursor: pointer; font-size: 15px; line-height: 1.7; margin-bottom: 8px; color: var(--text);
  transition: border-color .15s ease, background .15s ease;
}
.q-opt:hover { border-color: var(--gold); }
.q-opt.is-on, .q-opt:has(input:checked) { border-color: var(--gold); background: rgba(201, 162, 39, .06); }
.q-opt input { margin-top: 5px; accent-color: var(--gold); width: 16px; height: 16px; flex: none; }
.q-form { margin-top: 30px; }
.q-status { margin-top: 14px; font-size: 14px; color: #b4432f; min-height: 22px; }
.qo-t, .ql-t, .gate-t { font-family: var(--serif); font-size: 19px; color: var(--text); margin-bottom: 12px !important; }
.quiz-ok p, .quiz-bad p { color: var(--muted); }
.quiz-pass-banner { text-align: center; color: var(--gold-d); margin: 0 auto 28px; font-size: 15px; }
.apply-gate {
  max-width: 880px; margin: 0 auto; text-align: center;
  border: 1px dashed var(--gold-d); padding: clamp(26px, 4vw, 44px);
}
.apply-gate .gate-d { font-size: 14.6px; color: var(--muted); line-height: 1.85; margin-bottom: 20px; }
.fld-hint { font-size: 12.5px; color: var(--muted); line-height: 1.7; }
.fld-check label { display: flex; gap: 12px; align-items: flex-start; font-size: 13.5px; }
.fld-check input { width: 16px; height: 16px; accent-color: var(--gold); margin-top: 3px; flex: none; }
.form input[type="file"] { border: 0; padding: 6px 0; background: transparent; font-size: 16px; color: var(--text); }
.apply-form textarea { min-height: 92px; }
#a-why { min-height: 150px; }
.apply-checklist {
  margin-top: 18px; border: 1px solid var(--gold);
  background: rgba(201, 162, 39, .07); padding: 14px 18px;
  font-size: 14px; line-height: 1.8; color: var(--text);
}
.shots-tall .shot img { aspect-ratio: 3 / 4; }
@media (max-width: 900px) {
  .q-opt { padding: 13px 12px; min-height: 46px; }
  .q-opt input { margin-top: 7px; }
}

/* 孤字保护：末几字整体换行，避免尾巴一两个字独占一行 */
.nb { white-space: nowrap; }