:root {
  --bg: #f6f4ef;
  --surface: #f6f4ef;
  --surface-2: #fbfaf7;
  --surface-3: #f1ede5;
  --surface-4: #e8e1d6;
  --panel: rgba(255, 255, 255, 0.74);
  --panel-strong: rgba(255, 255, 255, 0.92);
  --ink: #171412;
  --bark: #171412;
  --ink-2: #3a3633;
  --muted: #8a837a;
  --muted-strong: #5c5650;
  --line: rgba(23, 20, 18, 0.08);
  --line-strong: rgba(23, 20, 18, 0.14);
  --mint: #8cbfae;
  --mint-deep: #4e9a83;
  --mint-soft: rgba(194, 223, 215, 0.58);
  --warm: #d4956a;
  --warm-soft: rgba(255, 224, 192, 0.54);
  --pill-bg: rgba(240, 247, 244, 0.74);
  --card-soft-bg: rgba(255, 255, 255, 0.6);
  --format-pill-bg: rgba(245, 241, 235, 0.72);
  --cdk-shell-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.86), rgba(245, 241, 235, 0.82)), linear-gradient(135deg, var(--mint-soft), var(--warm-soft));
  --cdk-reward-bg: rgba(240, 247, 244, 0.74);
  --footer-bg: rgba(251, 250, 247, 0.72);
  --dark-panel: #27221e;
  --green: #3d7a68;
  --red: #a44c4c;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 28px;
  --content: 1180px;
  --content-narrow: 900px;
  --gutter: max(clamp(18px, 5vw, 56px), calc((100vw - var(--content)) / 2));
  --header-bg: rgba(251, 250, 247, 0.78);
  --header-bg-scrolled: rgba(251, 250, 247, 0.94);
  --button-primary-bg: #171412;
  --button-primary-fg: #ffffff;
  --button-secondary-bg: rgba(255, 255, 255, 0.76);
  --button-secondary-border: rgba(23, 20, 18, 0.1);
  --shadow: 0 26px 80px rgba(41, 33, 24, 0.1);
  --shadow-soft: 0 18px 56px rgba(41, 33, 24, 0.08);
  --shadow-card: 0 14px 34px rgba(41, 33, 24, 0.06);
  --font-sans: "Plus Jakarta Sans", "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-serif: "Noto Serif SC", Georgia, serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #171412;
  --surface: #171412;
  --surface-2: #211d1a;
  --surface-3: #302a25;
  --surface-4: #403931;
  --panel: rgba(35, 30, 26, 0.94);
  --panel-strong: rgba(39, 34, 30, 0.98);
  --ink: #fffaf2;
  --bark: #fffaf2;
  --ink-2: #f0e8dc;
  --muted: #c7bdb0;
  --muted-strong: #e1d8ca;
  --line: rgba(255, 250, 242, 0.12);
  --line-strong: rgba(255, 250, 242, 0.2);
  --mint-deep: #9bd9c7;
  --pill-bg: rgba(43, 67, 59, 0.74);
  --card-soft-bg: rgba(255, 250, 242, 0.07);
  --format-pill-bg: rgba(255, 250, 242, 0.06);
  --cdk-shell-bg: linear-gradient(135deg, rgba(39, 34, 30, 0.98), rgba(32, 27, 24, 0.96)), linear-gradient(135deg, rgba(140, 191, 174, 0.16), rgba(212, 149, 106, 0.12));
  --cdk-reward-bg: rgba(43, 67, 59, 0.52);
  --footer-bg: rgba(23, 20, 18, 0.86);
  --dark-panel: #27221e;
  --header-bg: rgba(23, 20, 18, 0.78);
  --header-bg-scrolled: rgba(23, 20, 18, 0.94);
  --button-primary-bg: #fbfaf7;
  --button-primary-fg: #171412;
  --button-secondary-bg: rgba(255, 255, 255, 0.06);
  --button-secondary-border: rgba(255, 255, 255, 0.14);
  --shadow: 0 26px 80px rgba(0, 0, 0, 0.32);
  --shadow-soft: 0 18px 56px rgba(0, 0, 0, 0.24);
  --shadow-card: 0 14px 34px rgba(0, 0, 0, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background-color: var(--surface);
  background-image:
    radial-gradient(circle at 14% 12%, rgba(255, 255, 255, 0.82), transparent 24%),
    radial-gradient(circle at 86% 10%, rgba(224, 239, 235, 0.76), transparent 26%),
    radial-gradient(circle at 70% 72%, rgba(255, 224, 192, 0.34), transparent 24%),
    linear-gradient(180deg, #fbfaf7 0%, var(--bg) 100%);
  background-attachment: scroll;
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
html[data-theme="dark"] body {
  background-image:
    radial-gradient(circle at 14% 12%, rgba(78, 154, 131, 0.16), transparent 24%),
    radial-gradient(circle at 86% 10%, rgba(212, 149, 106, 0.12), transparent 26%),
    linear-gradient(180deg, #171412 0%, #211d1a 100%);
}
body::before,
body::after {
  display: none;
}
body.has-dialog { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid rgba(140, 191, 174, 0.42); outline-offset: 3px; }
h1, h2, h3, p { margin-top: 0; }
p { color: var(--muted); }
img { display: block; max-width: 100%; }
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.telegram-icon, .control-icon { width: 1em; height: 1em; flex: 0 0 auto; fill: currentColor; }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  gap: 16px;
  align-items: center;
  padding: 14px var(--gutter);
  border-bottom: 1px solid transparent;
  background: var(--header-bg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.site-header.is-scrolled { border-color: var(--line); background: var(--header-bg-scrolled); box-shadow: 0 8px 28px rgba(41, 33, 24, 0.06); }
.brand { display: inline-flex; gap: 10px; align-items: center; min-width: 0; }
.brand-mark { display: grid; width: 40px; height: 40px; place-items: center; overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: var(--panel-strong); box-shadow: var(--shadow-card); }
.brand-mark img { width: 100%; height: 100%; object-fit: cover; }
.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { color: var(--ink); font-size: 1rem; letter-spacing: -0.03em; }
.brand-copy small { color: var(--muted); font-size: 0.78rem; font-weight: 600; }
.nav-links { display: flex; gap: 8px; justify-content: center; }
.nav-links a, .icon-control, .header-action { min-height: 40px; border: 1px solid transparent; border-radius: 999px; color: var(--muted-strong); font-size: 0.88rem; font-weight: 650; transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease; }
.nav-links a { display: inline-flex; align-items: center; padding: 0 14px; }
.nav-links a:hover, .icon-control:hover, .header-action:hover { border-color: var(--line); background: var(--panel-strong); color: var(--ink); }
.header-controls { display: flex; gap: 8px; align-items: center; }
.icon-control { display: inline-flex; gap: 7px; align-items: center; padding: 0 12px; background: transparent; }
html[data-theme="light"] .theme-icon-light, html[data-theme="dark"] .theme-icon-dark { display: none; }
.header-action { display: inline-flex; gap: 8px; align-items: center; justify-content: center; padding: 0 16px; border-color: var(--line); background: var(--panel-strong); color: var(--ink); }

.hero { padding: clamp(70px, 9vw, 116px) var(--gutter) clamp(46px, 7vw, 76px); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(420px, 560px); gap: clamp(28px, 5vw, 58px); align-items: center; max-width: var(--content); margin: 0 auto; }
.hero-content { max-width: 740px; }
.eyebrow { margin-bottom: 14px; color: var(--mint-deep); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.hero h1 { max-width: 760px; margin-bottom: 22px; color: var(--ink); font-family: var(--font-serif); font-weight: 650; letter-spacing: -0.065em; line-height: 1.04; }
.hero-title-primary, .hero-title-secondary { display: block; }
.hero-title-primary { color: var(--ink); font-size: clamp(2.2rem, 4.9vw, 4.75rem); }
.hero-title-secondary { margin-top: 0.08em; color: var(--mint-deep); font-size: clamp(1.75rem, 3.7vw, 3.35rem); font-weight: 600; letter-spacing: -0.045em; }
.hero-fact { display: inline-flex; width: fit-content; margin: -4px 0 18px; padding: 8px 14px; border: 1px solid rgba(140, 191, 174, 0.24); border-radius: 999px; background: rgba(240, 247, 244, 0.76); color: var(--mint-deep); font-size: 0.82rem; font-weight: 700; letter-spacing: 0.02em; }
.hero-lede { max-width: 660px; margin-bottom: 28px; color: var(--muted-strong); font-size: clamp(1rem, 1.45vw, 1.12rem); }
.hero-actions, .button-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero-note { max-width: 620px; margin-top: 18px; color: var(--muted); font-size: 0.9rem; }

.hero-panel, .service-card, .plan-card, .trust-card, .boundary-card, .format-card, .metric-card, .douyin-card, .cdk-shell, .process-list { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--panel-strong); box-shadow: var(--shadow-card); }
.hero-panel { width: 100%; max-width: 560px; justify-self: end; align-self: center; overflow: hidden; padding: 0; background: transparent; box-shadow: 0 28px 76px rgba(41, 33, 24, 0.11); }
.hero-visual-frame { width: 100%; height: clamp(260px, 27vw, 360px); overflow: hidden; border-radius: 32px; background: var(--surface-3); }
.hero-visual-frame img { display: block; width: 100%; height: 100%; min-height: 0; object-fit: cover; opacity: 0.88; }
.panel-label, .service-label, .plan-card span { display: inline-flex; width: fit-content; margin-bottom: 16px; padding: 6px 10px; border: 1px solid rgba(140, 191, 174, 0.22); border-radius: 999px; background: var(--pill-bg); color: var(--mint-deep); font-size: 0.72rem; font-weight: 750; letter-spacing: 0.06em; text-transform: uppercase; }
.check-list { display: grid; gap: 7px; margin: 14px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 18px; color: var(--muted-strong); font-size: 0.86rem; line-height: 1.36; }
.check-list li::before { position: absolute; top: 0.5em; left: 0; width: 6px; height: 6px; border-radius: 50%; background: var(--mint); content: ""; }

.button { display: inline-flex; min-height: 46px; gap: 9px; align-items: center; justify-content: center; padding: 0 18px; border: 1px solid transparent; border-radius: 999px; font-weight: 700; transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease; }
.button:hover { transform: translateY(-1px); }
.button-primary { background: var(--button-primary-bg); color: var(--button-primary-fg); box-shadow: 0 14px 32px rgba(23, 20, 18, 0.13); }
.button-secondary { border-color: var(--button-secondary-border); background: var(--button-secondary-bg); color: var(--ink); }

.section { padding: clamp(52px, 7.5vw, 88px) var(--gutter); }
.section-heading { max-width: 700px; margin: 0 auto clamp(28px, 4vw, 44px); text-align: center; }
.section-heading.align-left { margin-right: 0; margin-left: 0; text-align: left; }
.section-heading h2, .boundary-card h2, .cdk-shell h2 { margin-bottom: 14px; color: var(--ink); font-family: var(--font-serif); font-size: clamp(1.75rem, 3.2vw, 2.75rem); font-weight: 600; letter-spacing: -0.045em; line-height: 1.12; }
.section-heading p, .boundary-card p, .cdk-shell p { font-size: 1rem; }
.service-grid, .plan-grid, .trust-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; max-width: var(--content); margin: 0 auto; }
.service-card, .plan-card, .trust-card, .metric-card { padding: 24px; }
.service-card h3, .trust-card h3, .process-item h3, .metric-card h3 { margin-bottom: 10px; color: var(--ink); font-size: 1.1rem; letter-spacing: -0.02em; }
.service-proof-list { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; max-width: var(--content); margin: 18px auto 0; }
.service-proof-list span { display: inline-flex; align-items: center; min-height: 38px; padding: 0 14px; border: 1px solid rgba(140, 191, 174, 0.2); border-radius: 999px; background: var(--card-soft-bg); color: var(--muted-strong); font-size: 0.9rem; font-weight: 650; }
.service-card p, .plan-card p, .trust-card p, .process-item p, .metric-card p { margin-bottom: 0; }
.split-layout { display: grid; grid-template-columns: minmax(260px, 0.56fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 60px); align-items: start; max-width: var(--content); margin: 0 auto; }
.format-card { display: grid; grid-template-columns: minmax(0, 0.82fr) minmax(280px, 0.55fr); gap: 24px; align-items: center; max-width: var(--content); margin: 18px auto 0; padding: clamp(22px, 3vw, 30px); }
.format-card h3 { margin-bottom: 8px; color: var(--ink); font-family: var(--font-serif); font-size: clamp(1.25rem, 2.2vw, 1.8rem); font-weight: 600; letter-spacing: -0.035em; }
.format-card p { margin-bottom: 0; }
.format-list { display: flex; flex-wrap: wrap; gap: 10px; }
.format-list span { display: inline-flex; min-height: 36px; align-items: center; padding: 0 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--format-pill-bg); color: var(--ink-2); font-size: 0.86rem; font-weight: 700; }
.section-heading-wide { max-width: var(--content); margin: 0 auto clamp(28px, 4vw, 44px); }
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; max-width: var(--content); margin: 0 auto; }
.metric-card span { display: block; margin-bottom: 14px; color: var(--mint-deep); font-size: 0.7rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
.metric-card p { font-size: 0.92rem; }
.plan-card strong { display: block; margin-bottom: 10px; color: var(--ink); font-size: 1.38rem; letter-spacing: -0.035em; }
.process-list { display: grid; max-width: var(--content-narrow); margin: 0 auto; overflow: hidden; }
.process-item { display: grid; grid-template-columns: 56px minmax(0, 0.28fr) minmax(0, 1fr); gap: 18px; align-items: start; padding: 24px; }
.process-item + .process-item { border-top: 1px solid var(--line); }
.process-item span { color: var(--mint-deep); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.12em; }

.cdk-shell { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: center; max-width: var(--content); margin: 0 auto; padding: clamp(24px, 4vw, 38px); background: var(--cdk-shell-bg); box-shadow: var(--shadow-soft); }
.cdk-reward-strip { display: grid; gap: 4px; max-width: 540px; margin-top: 18px; padding: 14px 16px; border: 1px solid rgba(140, 191, 174, 0.22); border-radius: 16px; background: var(--cdk-reward-bg); }
.cdk-reward-strip strong { color: var(--ink); font-size: 1rem; }
.cdk-reward-strip small { color: var(--muted-strong); font-size: 0.88rem; line-height: 1.55; }
.boundary-card { max-width: var(--content-narrow); margin: 0 auto; padding: clamp(24px, 4vw, 40px); }

.douyin-card { display: grid; grid-template-columns: minmax(0, 1fr) 72px; gap: 14px; align-items: center; max-width: 620px; margin: 0 auto; padding: 14px 16px; border-radius: 16px; background: var(--card-soft-bg); box-shadow: none; }
.douyin-copy h2 { margin-bottom: 4px; color: var(--ink); font-size: 1rem; letter-spacing: -0.02em; line-height: 1.25; }
.douyin-copy p { max-width: 480px; margin-bottom: 0; color: var(--muted); font-size: 0.86rem; }
.douyin-qr { display: grid; gap: 6px; justify-items: center; margin: 0; }
.douyin-qr img { width: 72px; height: 72px; object-fit: cover; border: 3px solid var(--surface-2); border-radius: 12px; box-shadow: none; }
.douyin-qr figcaption { display: grid; gap: 1px; color: var(--muted); font-size: 0.68rem; line-height: 1.3; text-align: center; }
.douyin-qr figcaption strong, .douyin-qr figcaption span { color: var(--ink); }

.site-footer { padding: 36px var(--gutter); border-top: 1px solid var(--line); background: var(--footer-bg); }
.footer-inner { display: flex; gap: 24px; align-items: flex-start; justify-content: space-between; max-width: var(--content); margin: 0 auto; }
.footer-brand { display: grid; gap: 6px; max-width: 420px; }
.footer-brand strong { color: var(--ink); font-size: 1.05rem; }
.footer-brand span, .footer-bottom { color: var(--muted); font-size: 0.9rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; justify-content: flex-end; }
.footer-links a { color: var(--muted-strong); font-size: 0.9rem; font-weight: 650; }
.footer-icon-link { display: inline-flex; gap: 7px; align-items: center; }
.footer-bottom { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 420px); gap: 16px; align-items: center; max-width: var(--content); margin: 24px auto 0; padding-top: 18px; border-top: 1px solid var(--line); }
.footer-legal { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; }
.footer-record-link { color: var(--ink-2); font-weight: 700; }
.footer-coop-brand { justify-self: end; width: min(100%, 380px); padding: 10px 14px; border: 1px solid var(--line); border-radius: 16px; background: var(--card-soft-bg); }
.footer-coop-brand img { width: 100%; height: auto; max-height: 54px; object-fit: contain; }

.cdk-dialog { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; opacity: 0; pointer-events: none; transition: opacity 0.2s ease; }
.cdk-dialog[aria-hidden="false"] { opacity: 1; pointer-events: auto; }
.cdk-dialog-backdrop { position: absolute; inset: 0; background: rgba(23, 20, 18, 0.48); backdrop-filter: blur(8px); }
.cdk-dialog-panel { position: relative; width: min(680px, 100%); max-height: min(88vh, 820px); overflow: auto; padding: clamp(24px, 4vw, 34px); border: 1px solid var(--line); border-radius: 24px; background: var(--panel-strong); box-shadow: var(--shadow); }
.cdk-dialog-close { position: absolute; top: 16px; right: 16px; display: grid; width: 36px; height: 36px; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: var(--surface-2); color: var(--ink); font-size: 1.45rem; line-height: 1; }
.cdk-dialog-copy { padding-right: 42px; }
.cdk-dialog-copy h2 { margin-bottom: 8px; color: var(--ink); font-family: var(--font-serif); font-size: clamp(1.7rem, 4vw, 2.4rem); font-weight: 600; letter-spacing: -0.04em; }
.cdk-form { display: grid; gap: 16px; margin-top: 24px; }
.cdk-field { display: grid; gap: 8px; color: var(--ink-2); font-size: 0.9rem; font-weight: 700; }
.cdk-field-head { display: flex; gap: 12px; align-items: center; justify-content: space-between; }
.cdk-session-link { color: var(--mint-deep); font-size: 0.84rem; font-weight: 700; }
.cdk-field input, .cdk-field select, .cdk-field textarea { width: 100%; border: 1px solid var(--line-strong); border-radius: 14px; background: var(--surface-2); color: var(--ink); outline: none; transition: border-color 0.2s ease, box-shadow 0.2s ease; }
.cdk-field input, .cdk-field select { min-height: 46px; padding: 0 14px; }
.cdk-field textarea { min-height: 132px; padding: 13px 14px; resize: vertical; }
.cdk-field input:focus, .cdk-field select:focus, .cdk-field textarea:focus { border-color: rgba(140, 191, 174, 0.58); box-shadow: 0 0 0 4px rgba(194, 223, 215, 0.28); }
.cdk-hint { margin: 0; color: var(--muted); font-size: 0.88rem; }
.cdk-result { display: none; white-space: pre-wrap; border-radius: 14px; padding: 12px 14px; font-size: 0.9rem; font-weight: 700; }
.cdk-result.is-visible { display: block; }
.cdk-result.is-info { background: rgba(194, 223, 215, 0.26); color: var(--mint-deep); }
.cdk-result.is-success { background: rgba(61, 122, 104, 0.12); color: var(--green); }
.cdk-result.is-error { background: rgba(164, 76, 76, 0.12); color: var(--red); }
.cdk-success-action { width: fit-content; }
.cdk-action-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.reveal-on-scroll { opacity: 0; transform: translateY(16px); transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out); }
.reveal-on-scroll.is-visible { opacity: 1; transform: translateY(0); }

html[data-theme="dark"] .service-card,
html[data-theme="dark"] .plan-card,
html[data-theme="dark"] .trust-card,
html[data-theme="dark"] .boundary-card,
html[data-theme="dark"] .format-card,
html[data-theme="dark"] .metric-card,
html[data-theme="dark"] .cdk-dialog-panel,
html[data-theme="dark"] .process-list {
  background: var(--panel-strong);
  border-color: var(--line);
  box-shadow: var(--shadow-card);
}
html[data-theme="dark"] .service-card p,
html[data-theme="dark"] .plan-card p,
html[data-theme="dark"] .trust-card p,
html[data-theme="dark"] .process-item p,
html[data-theme="dark"] .metric-card p,
html[data-theme="dark"] .section-heading p,
html[data-theme="dark"] .boundary-card p,
html[data-theme="dark"] .cdk-shell p,
html[data-theme="dark"] .douyin-copy p {
  color: var(--muted-strong);
}
html[data-theme="dark"] .service-proof-list span,
html[data-theme="dark"] .format-list span,
html[data-theme="dark"] .cdk-reward-strip,
html[data-theme="dark"] .douyin-card,
html[data-theme="dark"] .footer-coop-brand {
  background: var(--card-soft-bg);
  border-color: var(--line);
}
html[data-theme="dark"] .panel-label,
html[data-theme="dark"] .service-label,
html[data-theme="dark"] .plan-card span {
  background: var(--pill-bg);
  border-color: rgba(155, 217, 199, 0.24);
  color: var(--mint-deep);
}
html[data-theme="dark"] .hero-fact {
  background: rgba(155, 217, 199, 0.14);
  border-color: rgba(155, 217, 199, 0.34);
  color: #d7fff1;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.2);
}
html[data-theme="dark"] .cdk-shell {
  background: var(--cdk-shell-bg);
  border-color: var(--line);
}
html[data-theme="dark"] .cdk-field input,
html[data-theme="dark"] .cdk-field select,
html[data-theme="dark"] .cdk-field textarea,
html[data-theme="dark"] .cdk-dialog-close {
  background: #1d1916;
  color: var(--ink);
}
html[data-theme="dark"] .douyin-qr img {
  border-color: #1d1916;
}

@media (max-width: 1040px) {
  .hero-grid, .split-layout, .cdk-shell, .format-card { grid-template-columns: 1fr; }
  .cdk-shell { align-items: start; }
}
@media (max-width: 900px) {
  .service-grid, .plan-grid, .trust-grid, .metric-grid { grid-template-columns: 1fr; }
  .site-header { grid-template-columns: 1fr auto; }
  .nav-links, .header-action { display: none; }
  .process-item { grid-template-columns: 48px minmax(0, 1fr); }
  .process-item p { grid-column: 2; }
}
@media (max-width: 560px) {
  .hero { padding-top: 52px; }
  .hero-actions, .button-row { align-items: stretch; flex-direction: column; }
  .hero-panel { justify-self: start; max-width: 560px; }
  .button { width: 100%; justify-content: center; }
  .brand-copy small, .control-label { display: none; }
  .douyin-card { grid-template-columns: minmax(0, 1fr) 66px; padding: 12px; }
  .douyin-qr img { width: 66px; height: 66px; object-fit: cover; }
  .footer-bottom { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
  .footer-links { justify-content: flex-start; }
  .footer-coop-brand { justify-self: start; }
  .cdk-action-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
  .reveal-on-scroll { opacity: 1; transform: none; }
}