/**
 * 每日吃瓜“未冲洗的珊瑚胶片”设计系统
 * 本文件坚持偏轴剪辑轨道、相纸米白、冲洗珊瑚红与胶片边码，不使用模板化居中布局。
 */
:root {
  --paper: #f4f0e8;
  --paper-deep: #e8e0d4;
  --ink: #171513;
  --ink-soft: #49433d;
  --coral: #f04d3a;
  --coral-dark: #bd2c21;
  --teal: #3e6b67;
  --teal-pale: #dce9e4;
  --focus: #f04d3a;
  --white: #fffdf8;
  --line: rgba(23, 21, 19, .16);
  --shadow: 0 24px 70px rgba(31, 24, 18, .12);
  --display: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", Georgia, serif;
  --sans: "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --ease-out: cubic-bezier(.23, 1, .32, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--paper);
  color: var(--ink);
}

body {
  margin: 0;
  min-width: 320px;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  background:
    radial-gradient(circle at 11% 8%, rgba(240, 77, 58, .08), transparent 26rem),
    linear-gradient(rgba(23, 21, 19, .022) 1px, transparent 1px),
    var(--paper);
  background-size: auto, 100% 32px, auto;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: .19;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.92' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

img, video { max-width: 100%; display: block; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

::selection { color: var(--white); background: var(--coral); }

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 12000;
  padding: .75rem 1rem;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-160%);
  transition: transform 160ms var(--ease-out);
}

.skip-link:focus { transform: translateY(0); }

.container {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.6cmm1egn {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin: 0 0 1rem;
  font: 700 .74rem/1.2 var(--mono);
  letter-spacing: .12em;
  text-transform: uppercase;
}

.6cmm1egn::before {
  content: "";
  width: 1.75rem;
  height: 2px;
  background: var(--coral);
}

.cw4gfqu8 {
  margin: 0 0 .75rem;
  color: var(--coral-dark);
  font: 700 .72rem/1.2 var(--mono);
  letter-spacing: .14em;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  color: var(--ink);
  font-family: var(--display);
  line-height: 1.08;
  letter-spacing: -.035em;
  text-wrap: balance;
}

h1 { font-size: clamp(3.2rem, 8.7vw, 7.1rem); }
h2 { font-size: clamp(2.3rem, 5vw, 4.65rem); }
h3 { font-size: clamp(1.45rem, 2.5vw, 2.2rem); }
h4 { font-size: 1.22rem; }

p { margin: 0; }

.lede {
  max-width: 45rem;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: .32rem .72rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  font: 700 .75rem/1 var(--mono);
  letter-spacing: .02em;
}

.tag.coral { color: var(--coral-dark); background: #fff0ea; }
.tag.teal { color: var(--teal); background: var(--teal-pale); }
.tag.dark { color: var(--paper); background: var(--ink); border-color: var(--ink); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .7rem;
  min-height: 3rem;
  padding: .68rem 1.05rem;
  border: 1px solid var(--ink);
  border-radius: 0;
  color: var(--white);
  background: var(--ink);
  cursor: pointer;
  font-weight: 800;
  transition: transform 160ms var(--ease-out), background 180ms var(--ease-out), color 180ms var(--ease-out), box-shadow 180ms var(--ease-out);
}

.button:hover { background: var(--coral); border-color: var(--coral); box-shadow: 6px 6px 0 var(--ink); }
.button:active { transform: scale(.97); }
.button.ghost { color: var(--ink); background: transparent; }
.button.ghost:hover { color: var(--white); background: var(--coral); border-color: var(--coral); }
.button.small { min-height: 2.45rem; padding: .5rem .8rem; font-size: .88rem; }

.topline {
  color: var(--paper);
  background: var(--ink);
  border-bottom: 3px solid var(--coral);
}

.topline-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: .42rem;
  font: 600 .74rem/1.5 var(--mono);
}

.topline strong { color: var(--coral); }

.site-header {
  position: relative;
  z-index: 100;
  background: rgba(244, 240, 232, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  display: grid;
  grid-template-columns: minmax(160px, .65fr) minmax(0, 1.7fr) auto;
  align-items: center;
  min-height: 86px;
  gap: 1.25rem;
}

.brand {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .72rem;
  width: max-content;
}

.brand::after {
  content: "";
  position: absolute;
  top: 1px;
  left: 51px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 3px var(--paper);
}

.brand img {
  width: 58px;
  height: 58px;
  object-fit: contain;
  filter: drop-shadow(4px 4px 0 rgba(240,77,58,.16));
  transform: rotate(-2deg);
  transition: transform 180ms var(--ease-out);
}

.brand:hover img { transform: rotate(2deg) scale(1.03); }

.brand-copy {
  display: grid;
  line-height: 1;
}

.brand-name {
  font-family: var(--display);
  font-size: 1.72rem;
  font-weight: 900;
  letter-spacing: -.08em;
}

.brand-meta {
  margin-top: .35rem;
  color: var(--ink-soft);
  font: 700 .57rem/1 var(--mono);
  letter-spacing: .13em;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(.55rem, 1.55vw, 1.35rem);
}

.main-nav a {
  position: relative;
  padding: .35rem 0;
  font-size: .9rem;
  font-weight: 800;
  white-space: nowrap;
}

.main-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--coral);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms var(--ease-out);
}

.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after { transform: scaleX(1); }

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
}

.search-band {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.search-form {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  min-height: 62px;
}

.search-label {
  color: var(--coral-dark);
  font: 800 .72rem/1 var(--mono);
  letter-spacing: .12em;
}

.search-form input {
  width: 100%;
  padding: .7rem 0;
  border: 0;
  color: var(--ink);
  background: transparent;
  outline: 0;
}

.search-form button {
  border: 0;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  font-weight: 800;
}

.hero {
  position: relative;
  padding: clamp(3.2rem, 7vw, 7rem) 0 3rem;
  overflow: hidden;
}

.hero::after {
  content: "XH / ROLL 01 / TAKE 26";
  position: absolute;
  right: -5.2rem;
  top: 50%;
  color: rgba(23, 21, 19, .18);
  font: 700 .68rem/1 var(--mono);
  letter-spacing: .2em;
  transform: rotate(90deg);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, .98fr);
  align-items: stretch;
  min-height: 610px;
}

.hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(1.5rem, 4vw, 4rem) clamp(1.5rem, 4vw, 4rem) clamp(2rem, 5vw, 5rem) 0;
}

.hero-copy h1 span { display: block; }
.hero-copy h1 .coral-word { color: var(--coral); font-style: italic; }

.hero-copy .lede { margin-top: 1.6rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }

.ua0xy3y {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 3rem;
  background: var(--line);
  border-block: 1px solid var(--line);
}

.ng3p9vr { padding: 1rem .75rem 1rem 0; background: var(--paper); }
.ng3p9vr strong { display: block; font: 900 1.2rem/1 var(--mono); color: var(--teal); }
.ng3p9vr span { display: block; margin-top: .55rem; color: var(--ink-soft); font-size: .78rem; }

.hero-media {
  position: relative;
  min-height: 610px;
  background: var(--ink);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(.9) contrast(1.03);
  transition: transform 800ms var(--ease-out);
}

.hero-media:hover img { transform: scale(1.018); }

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(23, 21, 19, .76));
}

.75018w {
  position: absolute;
  z-index: 2;
  right: 1.5rem;
  bottom: 1.5rem;
  left: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  color: var(--white);
}

.75018w p { max-width: 18rem; font-size: .9rem; }
.vhywb8gd { display: inline-flex; align-items: center; gap: .45rem; font: 700 .7rem/1 var(--mono); }
.vhywb8gd::before { content: ""; width: .68rem; height: .68rem; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 6px rgba(240,77,58,.18); }

.pb9qr {
  overflow: hidden;
  color: var(--paper);
  background: var(--coral);
  border-block: 1px solid var(--ink);
}

.pb9qr-track {
  display: flex;
  width: max-content;
  animation: ticker 28s linear infinite;
}

.pb9qr span { padding: .72rem 2.2rem; font: 800 .76rem/1 var(--mono); letter-spacing: .08em; }
.pb9qr span::after { content: "✦"; margin-left: 2.2rem; color: var(--ink); }

@keyframes ticker { to { transform: translateX(-50%); } }

.section { padding: clamp(5rem, 10vw, 9rem) 0; }
.section-tight { padding: clamp(3.5rem, 7vw, 6rem) 0; }

.section-head {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  align-items: end;
  gap: 2rem;
  margin-bottom: 3rem;
  padding-right: 5.5rem;
}

.section-head::after {
  content: "";
  position: absolute;
  top: -.6rem;
  right: 0;
  width: 62px;
  height: 62px;
  background: url("/assets/images/xiaohua-logo.png") center / contain no-repeat;
  opacity: .16;
  transform: rotate(9deg);
}

.section-head .lede { justify-self: end; }

.media-rail {
  display: grid;
  grid-template-columns: 1.35fr .82fr .82fr;
  grid-template-rows: repeat(2, minmax(210px, 1fr));
  gap: 1rem;
}

.media-card {
  position: relative;
  min-height: 250px;
  padding: 0;
  border: 0;
  color: var(--white);
  background: var(--ink);
  overflow: hidden;
  cursor: pointer;
  text-align: left;
  isolation: isolate;
}

.media-card.feature { grid-row: span 2; min-height: 520px; }
.media-card.wide { grid-column: span 2; }

.media-card img,
.media-card video {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms var(--ease-out), filter 300ms var(--ease-out);
}

.media-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(23,21,19,.04) 25%, rgba(23,21,19,.92) 100%);
}

.media-card:hover img { transform: scale(1.035); filter: saturate(.72); }

.media-card.abstract::after {
  content: "";
  position: absolute;
  inset: -35%;
  z-index: -2;
  background:
    radial-gradient(circle, var(--coral) 0 6%, transparent 6.5%),
    conic-gradient(from 40deg, var(--teal), var(--ink), var(--coral), var(--ink), var(--teal));
  background-size: 38px 38px, auto;
  transform: rotate(-9deg);
}

.card-top {
  position: absolute;
  top: 1rem;
  right: 1rem;
  left: 1rem;
  display: flex;
  justify-content: space-between;
  font: 700 .66rem/1 var(--mono);
  letter-spacing: .08em;
}

.pt9bh44k { padding: .4rem .55rem; color: var(--paper); background: var(--coral); }

.play-mark {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: 70px;
  height: 70px;
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 50%;
  background: rgba(23,21,19,.42);
  backdrop-filter: blur(8px);
  opacity: .12;
  transform: translate(-50%, -50%) scale(.95);
  transition: opacity 200ms var(--ease-out), transform 200ms var(--ease-out), background 200ms var(--ease-out);
}

.play-mark::before {
  content: "";
  width: 0;
  height: 0;
  margin-left: 5px;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  border-left: 16px solid var(--white);
}

.media-card:hover .play-mark,
.media-card:focus-visible .play-mark { opacity: 1; transform: translate(-50%, -50%) scale(1); background: var(--coral); }

.card-caption {
  position: absolute;
  right: 1.1rem;
  bottom: 1.1rem;
  left: 1.1rem;
}

.card-caption h3 { color: var(--white); font-size: clamp(1.35rem, 2.1vw, 2.1rem); }
.card-caption p { margin-top: .55rem; color: rgba(255,255,255,.76); font-size: .82rem; }
.metrics { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: .8rem; font: 700 .68rem/1 var(--mono); }

.split-feature {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
}

.split-feature.reverse { grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); }
.split-feature.reverse .feature-media { order: 2; }

.feature-media {
  position: relative;
  min-height: 520px;
  background: var(--ink);
  box-shadow: var(--shadow);
}

.feature-media img { width: 100%; height: 100%; min-height: 520px; object-fit: cover; }

.feature-media .jwb55u7 {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 28px;
  background: repeating-linear-gradient(to bottom, var(--ink) 0 17px, transparent 17px 30px);
  border-right: 1px solid rgba(255,255,255,.35);
}

.feature-copy h2 { max-width: 10ch; }
.feature-copy .lede { margin-top: 1.5rem; }
.feature-copy .tag-row { margin-top: 1.5rem; }
.feature-copy .button { margin-top: 1.75rem; }

.principle-list { display: grid; gap: 1rem; margin: 2rem 0 0; padding: 0; list-style: none; }
.principle-list li { display: grid; grid-template-columns: 46px 1fr; gap: 1rem; align-items: start; padding-top: 1rem; border-top: 1px solid var(--line); }
.principle-list b { color: var(--coral); font: 900 .78rem/1 var(--mono); }
.principle-list strong { display: block; margin-bottom: .35rem; }
.principle-list span { color: var(--ink-soft); font-size: .92rem; }

.dark-section { color: var(--paper); background: var(--ink); }
.dark-section h2, .dark-section h3, .dark-section h4 { color: var(--paper); }
.dark-section .lede { color: rgba(244,240,232,.7); }
.dark-section .cw4gfqu8 { color: var(--coral); }

.topic-tracks {
  display: grid;
  gap: 1px;
  background: rgba(244,240,232,.18);
  border: 1px solid rgba(244,240,232,.18);
}

.topic-track {
  display: grid;
  grid-template-columns: 70px minmax(180px, .8fr) minmax(0, 1.6fr) auto;
  align-items: center;
  gap: 1.3rem;
  padding: 1.25rem;
  background: var(--ink);
  transition: background 180ms var(--ease-out), transform 180ms var(--ease-out);
}

.topic-track:hover { background: #25211e; transform: translateX(8px); }
.np95is { color: var(--coral); font: 900 .78rem/1 var(--mono); }
.topic-track h3 { font-size: 1.32rem; }
.topic-track p { color: rgba(244,240,232,.64); font-size: .88rem; }
.track-arrow { color: var(--coral); font-size: 1.2rem; }

.ai-stage {
  position: relative;
  padding: clamp(5rem, 9vw, 8rem) 0;
  background: var(--teal-pale);
  overflow: hidden;
}

.ai-stage::before {
  content: "AI / ASSIST, HUMAN / DECIDE";
  position: absolute;
  top: 3rem;
  right: -2rem;
  color: rgba(62,107,103,.11);
  font: 900 clamp(2.8rem, 7vw, 7rem)/1 var(--mono);
  white-space: nowrap;
}

.workflow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}

.workflow-card {
  position: relative;
  min-height: 270px;
  padding: 1.5rem;
  background: rgba(255,253,248,.72);
  border-top: 4px solid var(--teal);
  box-shadow: 0 16px 40px rgba(62,107,103,.1);
}

.workflow-card:nth-child(2) { transform: translateY(1.5rem); border-color: var(--coral); }
.workflow-card:nth-child(3) { transform: translateY(3rem); border-color: var(--ink); }
.k3o64 { display: block; color: var(--teal); font: 900 .75rem/1 var(--mono); }
.workflow-card h3 { margin-top: 2rem; }
.workflow-card p { margin-top: 1rem; color: var(--ink-soft); font-size: .9rem; }

.community-board {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1rem;
}

.community-card {
  position: relative;
  overflow: hidden;
  grid-column: span 4;
  min-height: 270px;
  padding: 1.45rem 1.45rem 2rem;
  border: 1px solid rgba(23,21,19,.24);
  border-left: 4px solid var(--coral);
  background:
    repeating-linear-gradient(0deg, transparent 0 31px, rgba(23,21,19,.045) 31px 32px),
    var(--white);
  box-shadow: 8px 10px 0 rgba(23,21,19,.055);
}

.community-card::after {
  content: "XH / FIELD NOTE";
  position: absolute;
  right: .75rem;
  bottom: .55rem;
  color: rgba(23,21,19,.38);
  font: 700 .58rem/1 var(--mono);
  letter-spacing: .1em;
}

.community-card:nth-child(1),
.community-card:nth-child(5) { grid-column: span 7; }
.community-card:nth-child(2),
.community-card:nth-child(6) { grid-column: span 5; }
.community-card h3 { margin-top: 2.8rem; }
.community-card p { margin-top: 1rem; color: var(--ink-soft); }
.status-line { display: flex; align-items: center; justify-content: space-between; gap: .7rem; font: 700 .68rem/1 var(--mono); }
.status-line b { color: var(--coral-dark); }

.expert-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1rem;
  background: transparent;
  border: 0;
}

.expert-card {
  position: relative;
  display: flex;
  flex-direction: column;
  grid-column: span 3;
  min-height: 390px;
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-top: 5px solid var(--ink);
  background:
    linear-gradient(135deg, transparent 0 82%, rgba(240,77,58,.08) 82%),
    var(--paper);
  box-shadow: 7px 8px 0 rgba(23,21,19,.06);
}
.expert-card:nth-child(1), .expert-card:nth-child(6) { grid-column: span 4; transform: translateY(1.1rem); }
.expert-card:nth-child(2), .expert-card:nth-child(7) { grid-column: span 2; }
.expert-card:nth-child(3), .expert-card:nth-child(5) { grid-column: span 3; transform: translateY(-.7rem); }
.expert-card:nth-child(4), .expert-card:nth-child(8) { grid-column: span 3; }
.ksf9ffrk { display: grid; place-items: center; width: 62px; height: 62px; color: var(--paper); background: var(--ink); font: 900 1rem/1 var(--mono); }
.expert-card:nth-child(even) .ksf9ffrk { background: var(--coral); }
.expert-card h3 { margin-top: 2.7rem; font-size: 1.65rem; }
.expert-card p { margin: 1rem 0; color: var(--ink-soft); font-size: .88rem; }
.expert-card .tag { width: max-content; margin-top: auto; }
.expert-actions { display: flex; gap: .45rem; margin-top: 1rem; }

.partner-wall {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.partner-slot { position: relative; display: grid; place-items: center; min-height: 130px; padding: 1rem; text-align: center; background: repeating-linear-gradient(0deg, var(--white) 0 27px, rgba(23,21,19,.045) 27px 28px); }
.partner-slot::after { content: "XH"; position: absolute; top: .45rem; right: .5rem; color: rgba(23,21,19,.2); font: 700 .58rem/1 var(--mono); }
.568z8 { display: block; margin-bottom: .65rem; color: var(--coral); font: 900 1.4rem/1 var(--mono); }
.partner-slot strong { font-family: var(--display); }
.partner-slot small { display: block; margin-top: .25rem; color: var(--ink-soft); }

.howto {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  margin-top: 3rem;
  background: var(--line);
}

.howto-step { min-height: 230px; padding: 1.25rem; background: var(--paper); }
.howto-step b { color: var(--coral); font: 900 1.6rem/1 var(--mono); }
.howto-step h3 { margin-top: 2.6rem; font-size: 1.25rem; }
.howto-step p { margin-top: .8rem; color: var(--ink-soft); font-size: .85rem; }

.faq-layout {
  display: grid;
  grid-template-columns: minmax(260px, .62fr) minmax(0, 1.38fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: start;
}

.faq-intro { position: sticky; top: 2rem; }
.faq-intro p { margin-top: 1.2rem; color: var(--ink-soft); }

.faq-item { border-top: 1px solid var(--ink); }
.faq-item:last-child { border-bottom: 1px solid var(--ink); }
.faq-question {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: center;
  width: 100%;
  padding: 1.35rem 0;
  border: 0;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  text-align: left;
  font: 800 1rem/1.4 var(--sans);
}

.faq-question::after { content: "+"; color: var(--coral); font: 500 1.8rem/1 var(--mono); }
.faq-question[aria-expanded="true"]::after { content: "−"; }
.faq-answer { display: none; max-width: 46rem; padding: 0 2.8rem 1.5rem 0; color: var(--ink-soft); }
.faq-answer.open { display: block; }

.b5mbbm {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.25rem;
  border-left: 5px solid var(--coral);
  background: var(--ink);
  color: var(--paper);
}

.b5mbbm strong { color: var(--coral); }

.feedback-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.feedback-card { position: relative; min-height: 220px; padding: 1.25rem; border: 1px dashed rgba(23,21,19,.42); background: repeating-linear-gradient(0deg, rgba(255,253,248,.82) 0 31px, rgba(23,21,19,.055) 31px 32px); box-shadow: 6px 7px 0 rgba(23,21,19,.055); }
.feedback-card::after { content: "待核验 / OPEN CALL"; position: absolute; right: .8rem; bottom: .65rem; color: rgba(23,21,19,.32); font: 700 .58rem/1 var(--mono); }
.feedback-card b { color: var(--coral); font: 900 .7rem/1 var(--mono); }
.feedback-card h3 { margin-top: 3rem; font-size: 1.25rem; }
.feedback-card p { margin-top: .75rem; color: var(--ink-soft); font-size: .85rem; }

.contact-stage {
  color: var(--paper);
  background: var(--ink);
}

.contact-stage h2, .contact-stage h3 { color: var(--paper); }

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr);
  gap: 1px;
  background: rgba(244,240,232,.18);
  border: 1px solid rgba(244,240,232,.18);
}

.contact-main, .contact-side { padding: clamp(1.6rem, 4vw, 3rem); background: var(--ink); }
.contact-main .lede { color: rgba(244,240,232,.66); }
.contact-list { display: grid; margin-top: 2rem; }
.contact-row { display: grid; grid-template-columns: 9rem 1fr; gap: 1rem; padding: 1rem 0; border-top: 1px solid rgba(244,240,232,.16); }
.contact-row dt { color: var(--coral); font: 700 .7rem/1.5 var(--mono); }
.contact-row dd { margin: 0; }

.qr-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 1.5rem; }
.qr-card { padding: 1rem; color: var(--ink); background: var(--paper); }
.qr-card img { width: 100%; aspect-ratio: 1; object-fit: contain; mix-blend-mode: multiply; }
.qr-card strong { display: block; margin-top: .7rem; }
.qr-card small { color: var(--ink-soft); }

.entry-list { display: grid; gap: .75rem; margin-top: 1.5rem; }
.entry-item { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .85rem 0; border-top: 1px solid rgba(244,240,232,.16); }
.entry-item span { color: rgba(244,240,232,.58); font-size: .82rem; }

.share-band { position: relative; overflow: hidden; padding: 2.7rem 0; color: var(--paper); background: var(--ink); border-top: 7px solid var(--coral); }
.share-band::before { content: "XH / NEXT ROLL / REC"; position: absolute; right: 3vw; top: .55rem; color: rgba(244,240,232,.15); font: 900 clamp(1.2rem,4vw,3.7rem)/1 var(--mono); letter-spacing: .08em; }
.share-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.share-copy h2 { color: var(--paper); font-size: clamp(1.8rem, 3.8vw, 3.2rem); }
.share-actions { display: flex; flex-wrap: wrap; gap: .55rem; }
.share-button { padding: .65rem .9rem; border: 1px solid var(--paper); color: var(--paper); background: transparent; cursor: pointer; font-weight: 800; }
.share-button:hover { color: var(--white); background: var(--coral); border-color: var(--coral); }

.site-footer { color: var(--paper); background: #0f0e0d; }
.footer-main { display: grid; grid-template-columns: 1fr 1.5fr .8fr; gap: 3rem; padding: 4rem 0; }
.footer-brand .brand-name { color: var(--paper); }
.footer-brand .brand-meta { color: rgba(244,240,232,.5); }
.footer-brand p { max-width: 26rem; margin-top: 1rem; color: rgba(244,240,232,.58); font-size: .88rem; }
.footer-nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: .55rem 1rem; align-content: start; }
.footer-nav a { color: rgba(244,240,232,.7); font-size: .88rem; }
.footer-nav a:hover { color: var(--coral); }
.footer-meta { font: 700 .72rem/1.8 var(--mono); color: rgba(244,240,232,.55); }
.footer-meta strong { color: var(--paper); }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem 0 1.5rem; border-top: 1px solid rgba(244,240,232,.14); color: rgba(244,240,232,.48); font: 600 .68rem/1.7 var(--mono); }

.breadcrumb { padding: 1rem 0; border-bottom: 1px solid var(--line); font: 700 .72rem/1.5 var(--mono); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: .55rem; margin: 0; padding: 0; list-style: none; }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: .55rem; color: var(--coral); }

.page-hero { position: relative; padding: clamp(4rem, 9vw, 8rem) 0; overflow: hidden; }
.page-hero::before { content: attr(data-roll); position: absolute; right: 2vw; bottom: -1rem; color: rgba(23,21,19,.06); font: 900 clamp(5rem, 18vw, 15rem)/1 var(--mono); }
.page-hero-grid { display: grid; grid-template-columns: 1.25fr .75fr; align-items: end; gap: 3rem; }
.page-hero h1 { font-size: clamp(3.2rem, 8vw, 7.4rem); }
.page-hero .lede { margin-top: 1.6rem; }
.page-index { position: relative; overflow: hidden; align-self: stretch; display: grid; align-content: end; padding: 1.25rem; border-left: 5px solid var(--coral); background: var(--white); }
.page-index::after { content: ""; position: absolute; top: 1rem; right: 1rem; width: 88px; height: 88px; background: url("/assets/images/xiaohua-logo.png") center / contain no-repeat; opacity: .1; transform: rotate(11deg); }
.page-index b { color: var(--coral); font: 900 2rem/1 var(--mono); }
.page-index p { margin-top: 1rem; color: var(--ink-soft); }

.contact-strip-section { padding: 1.2rem 0 3.8rem; }
.contact-strip {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr;
  gap: .65rem;
  padding: 2.2rem 1.2rem 1.2rem;
  color: var(--paper);
  background: var(--ink);
  border-top: 5px solid var(--coral);
}
.contact-strip::before { content: "CONTACT PRINT / 每日吃瓜接触印样"; position: absolute; top: .55rem; left: 1.2rem; color: rgba(244,240,232,.55); font: 700 .62rem/1 var(--mono); letter-spacing: .09em; }
.contact-strip figure { position: relative; margin: 0; background: #090807; }
.contact-strip figure::before { content: ""; position: absolute; inset: 0; z-index: 1; border: 1px solid rgba(244,240,232,.35); pointer-events: none; }
.contact-strip img { width: 100%; aspect-ratio: 16/9; object-fit: cover; filter: saturate(.88) contrast(1.04); }
.contact-strip figcaption { padding: .55rem .25rem .1rem; color: rgba(244,240,232,.66); font: 700 .62rem/1.5 var(--mono); }
.contact-strip[data-roll="03"] figure:nth-child(2) { transform: translateY(.7rem); }
.contact-strip[data-roll="04"] { grid-template-columns: .8fr .8fr 1.2fr; }
.contact-strip[data-roll="05"] { border-top-color: var(--teal); }
.contact-strip[data-roll="05"]::before { color: #9ec2ba; }

.article-grid { display: grid; grid-template-columns: minmax(220px, .34fr) minmax(0, 1fr); gap: clamp(2rem, 7vw, 7rem); }
.article-aside { position: sticky; top: 2rem; align-self: start; }
.article-aside nav { display: grid; }
.article-aside a { padding: .75rem 0; border-top: 1px solid var(--line); font-size: .86rem; font-weight: 800; }
.article-aside a:hover { color: var(--coral-dark); padding-left: .5rem; }
.article-body { position: relative; max-width: 780px; }
.article-body section + section { margin-top: 4rem; padding-top: 4rem; border-top: 1px solid var(--line); }
.article-body h2 { font-size: clamp(2rem, 4.2vw, 3.8rem); }
.article-body h3 { margin-top: 2.2rem; }
.article-body p { margin-top: 1rem; color: var(--ink-soft); }
.article-body ul, .article-body ol { margin: 1.2rem 0 0; padding-left: 1.4rem; color: var(--ink-soft); }
.article-body li + li { margin-top: .75rem; }

.content-cards { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; margin-top: 2rem; }
.content-card { position: relative; grid-column: span 6; min-height: 250px; padding: 1.35rem; background: repeating-linear-gradient(0deg, var(--white) 0 31px, rgba(23,21,19,.045) 31px 32px); border-top: 4px solid var(--coral); box-shadow: 7px 8px 0 rgba(23,21,19,.055); }
.content-card:nth-child(4n+1) { grid-column: span 7; }
.content-card:nth-child(4n+2) { grid-column: span 5; }
.content-card:nth-child(even) { border-color: var(--teal); transform: translateY(1rem); }
.content-card b { color: var(--coral); font: 900 .7rem/1 var(--mono); }
.content-card h3 { margin-top: 2.5rem; }
.content-card p { font-size: .9rem; }

body:has(.page-hero[data-roll="02"]) .article-grid { grid-template-columns: minmax(0, 1fr) minmax(220px, .34fr); }
body:has(.page-hero[data-roll="02"]) .article-aside { order: 2; }
body:has(.page-hero[data-roll="03"]) .article-body > section:nth-child(even) { margin-left: clamp(1rem, 5vw, 4rem); padding-left: 1.6rem; border-left: 4px solid var(--coral); }
body:has(.page-hero[data-roll="04"]) .article-body { padding-left: clamp(1rem, 4vw, 3rem); border-left: 1px solid var(--coral); }
body:has(.page-hero[data-roll="05"]) .article-body > section:nth-child(even) { margin-right: -2rem; padding-right: 2rem; background: linear-gradient(90deg, transparent, rgba(62,107,103,.09)); }

.tool-demo { margin-top: 2rem; padding: 1.5rem; color: var(--paper); background: var(--ink); }
.tool-progress { height: 8px; margin-top: 1rem; background: rgba(244,240,232,.16); overflow: hidden; }
.tool-progress span { display: block; width: 0; height: 100%; background: var(--coral); transition: width 900ms var(--ease-out); }
.tool-demo.running .tool-progress span { width: 82%; }
.tool-status { margin-top: .7rem; color: rgba(244,240,232,.65); font: 700 .72rem/1.5 var(--mono); }

.community-rules { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 2rem; }
.rule-card { padding: 1.25rem; border: 1px solid var(--line); }
.rule-card.safe { background: var(--teal-pale); }
.rule-card.blocked { background: #fde5df; }
.rule-card h3 { margin-bottom: .8rem; }
.rule-card li { color: var(--ink-soft); }

.toast {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 11000;
  max-width: min(390px, calc(100% - 2.5rem));
  padding: 1rem 1.15rem;
  color: var(--white);
  background: var(--ink);
  border-left: 5px solid var(--coral);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity 180ms var(--ease-out), transform 180ms var(--ease-out);
}

.toast.show { opacity: 1; transform: translateY(0); }

.media-dialog {
  width: min(820px, calc(100% - 2rem));
  padding: 0;
  border: 0;
  color: var(--paper);
  background: var(--ink);
  box-shadow: 0 40px 120px rgba(0,0,0,.44);
}

.media-dialog::backdrop { background: rgba(15,14,13,.78); backdrop-filter: blur(8px); }
.dialog-media { position: relative; aspect-ratio: 16/9; background: #080807; }
.dialog-media video { width: 100%; height: 100%; object-fit: cover; opacity: .62; }
.dialog-overlay { position: absolute; inset: 0; display: grid; place-items: center; padding: 2rem; text-align: center; background: linear-gradient(180deg, transparent, rgba(15,14,13,.88)); }
.dialog-overlay strong { font-family: var(--display); font-size: clamp(1.7rem, 4vw, 3rem); }
.dialog-overlay span { display: block; margin-top: .6rem; color: rgba(244,240,232,.7); }
.dialog-copy { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.2rem; }
.dialog-close { padding: .55rem .75rem; border: 1px solid var(--paper); color: var(--paper); background: transparent; cursor: pointer; }

.mcp-console { margin-top: 2rem; padding: 1.2rem; color: #c8f5df; background: #0b1914; border: 1px solid rgba(200,245,223,.25); font: 600 .74rem/1.7 var(--mono); overflow: auto; }

@media (max-width: 1060px) {
  .nav-wrap { grid-template-columns: 1fr auto; }
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: grid;
    justify-content: stretch;
    padding: 1rem 20px 1.5rem;
    background: var(--paper);
    border-bottom: 1px solid var(--ink);
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity 180ms var(--ease-out), transform 180ms var(--ease-out);
  }
  .main-nav.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .main-nav a { padding: .65rem 0; }
  .nav-cta { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { padding-right: 0; }
  .hero-media { min-height: 560px; }
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
  .expert-card:nth-child(n) { grid-column: auto; transform: none; }
  .partner-wall { grid-template-columns: repeat(3, 1fr); }
  .howto { grid-template-columns: repeat(3, 1fr); }
  .workflow { grid-template-columns: 1fr; }
  .workflow-card:nth-child(n) { transform: none; }
}

@media (max-width: 820px) {
  .container { width: min(100% - 28px, 1180px); }
  .topline-inner { flex-direction: column; gap: .15rem; }
  .search-form { grid-template-columns: 1fr auto; gap: .5rem; }
  .search-label { grid-column: 1 / -1; padding-top: .65rem; }
  .hero { padding-top: 2rem; }
  .hero-grid { min-height: auto; }
  .hero-copy { padding-bottom: 2rem; }
  .ua0xy3y { grid-template-columns: 1fr; }
  .hero-media { min-height: 470px; }
  .section-head { grid-template-columns: 1fr; }
  .section-head { padding-right: 0; }
  .section-head::after { display: none; }
  .section-head .lede { justify-self: start; }
  .media-rail { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .media-card.feature { grid-column: span 2; grid-row: auto; min-height: 470px; }
  .media-card.wide { grid-column: span 2; }
  .split-feature, .split-feature.reverse { grid-template-columns: 1fr; }
  .split-feature.reverse .feature-media { order: 0; }
  .feature-copy h2 { max-width: 13ch; }
  .topic-track { grid-template-columns: 48px 1fr auto; }
  .topic-track p { grid-column: 2 / -1; }
  .community-card:nth-child(n) { grid-column: span 6; }
  .faq-layout, .contact-grid, .page-hero-grid, .article-grid { grid-template-columns: 1fr; }
  .faq-intro, .article-aside { position: static; }
  .article-aside nav { grid-template-columns: repeat(2, 1fr); gap: 0 1rem; }
  .feedback-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-strip { grid-template-columns: 1fr 1fr; }
  .contact-strip figure:first-of-type { grid-column: 1 / -1; }
  body:has(.page-hero[data-roll="02"]) .article-grid { grid-template-columns: 1fr; }
  body:has(.page-hero[data-roll="02"]) .article-aside { order: 0; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .share-inner { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 560px) {
  body { font-size: 15px; }
  .nav-wrap { min-height: 76px; }
  .brand img { width: 48px; height: 48px; }
  .brand::after { left: 42px; }
  .hero-media { min-height: 390px; }
  .75018w { align-items: flex-start; flex-direction: column; }
  .media-rail { grid-template-columns: 1fr; }
  .media-card.feature, .media-card.wide { grid-column: auto; min-height: 380px; }
  .media-card { min-height: 320px; }
  .feature-media, .feature-media img { min-height: 390px; }
  .topic-track { grid-template-columns: 40px 1fr; }
  .track-arrow { display: none; }
  .topic-track p { grid-column: 1 / -1; }
  .community-card:nth-child(n) { grid-column: 1 / -1; }
  .expert-grid, .partner-wall, .feedback-grid, .content-cards, .community-rules { grid-template-columns: 1fr; }
  .content-card:nth-child(n) { grid-column: auto; transform: none; }
  .contact-strip, .contact-strip[data-roll="04"] { grid-template-columns: 1fr; }
  .contact-strip figure:first-of-type { grid-column: auto; }
  .contact-strip[data-roll="03"] figure:nth-child(2) { transform: none; }
  body:has(.page-hero[data-roll="03"]) .article-body > section:nth-child(even),
  body:has(.page-hero[data-roll="04"]) .article-body,
  body:has(.page-hero[data-roll="05"]) .article-body > section:nth-child(even) { margin-left: 0; margin-right: 0; padding-left: 0; padding-right: 0; border-left: 0; background: none; }
  .howto { grid-template-columns: 1fr; }
  .partner-wall { grid-template-columns: repeat(2, 1fr); }
  .contact-row { grid-template-columns: 1fr; gap: .2rem; }
  .qr-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
  .page-index { min-height: 180px; }
  .article-aside nav { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition-duration: .01ms !important; }
}

@media print {
  .topline, .site-header, .search-band, .share-band, .site-footer, .button, .nav-toggle { display: none !important; }
  body { background: white; }
  body::before { display: none; }
  .section { padding: 2rem 0; }
}