:root {
  --font-geist-sans: "Geist";
  --font-cormorant: "Cormorant Garamond";
  --scarlet: #cc0033;
  --scarlet-deep: #9f0028;
  --burgundy: #520018;
  --ink: #171716;
  --charcoal: #242321;
  --stone: #6b6862;
  --warm-white: #f7f5f0;
  --white: #ffffff;
  --line: #d8d4cc;
  --shell: 1320px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 112px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--warm-white);
  font-family:
    var(--font-geist-sans), "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--scarlet);
  outline-offset: 4px;
}

.shell {
  width: min(calc(100% - 64px), var(--shell));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 24px;
  z-index: 200;
  padding: 12px 18px;
  color: white;
  background: var(--ink);
}

.skip-link:focus {
  top: 20px;
}

.site-loader {
  position: fixed;
  inset: 0;
  width: 100vw;
  min-height: 100dvh;
  z-index: 999;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: white;
  background: var(--burgundy);
  transition:
    visibility 0s linear 850ms,
    opacity 780ms cubic-bezier(0.55, 0, 0.2, 1);
}

.site-loader::before,
.site-loader::after {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  content: "";
  background: rgba(255, 255, 255, 0.14);
}

.site-loader::before {
  left: 12%;
}

.site-loader::after {
  right: 12%;
}

.site-loader.is-complete {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

/* 本次会话已看过开屏（见 <head> 内联脚本）：刷新或返回时直接跳过，不闪一下。 */
html[data-splash="skip"] .site-loader {
  display: none;
}

.loader-inner {
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-self: center;
  width: min(82vw, 520px);
  text-align: center;
  transition:
    opacity 520ms ease,
    transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.site-loader.is-complete .loader-inner {
  opacity: 0;
  transform: translateY(-10px) scale(1.015);
}

.loader-inner .logo-crop {
  margin-inline: auto;
  opacity: 0;
  transform: translateY(12px) scale(0.86);
}

.site-loader.is-playing .loader-inner .logo-crop {
  animation: loader-mark 760ms 140ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.loader-rule {
  width: 0;
  height: 1px;
  margin: 28px auto 18px;
  background: rgba(255, 255, 255, 0.7);
}

.site-loader.is-playing .loader-rule {
  animation: loader-line 760ms 420ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.loader-inner p {
  width: 100%;
  margin: 0;
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.2em;
  opacity: 0;
  text-align: center;
  text-indent: 0.2em;
}

.site-loader.is-playing .loader-inner p {
  animation: loader-copy 620ms 780ms ease forwards;
}

@keyframes loader-mark {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* 鼠标拖尾：每个 R 由 JS 用 translate/rotate 定位，动画只负责缩小淡出。 */
.cursor-trail {
  position: fixed;
  inset: 0;
  z-index: 1000;
  overflow: hidden;
  pointer-events: none;
}

.cursor-trail-mark {
  position: absolute;
  top: 0;
  left: 0;
  font-family: var(--font-cormorant), Georgia, "Times New Roman", serif;
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--scarlet);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.55);
  transform: translate(-50%, -50%);
  user-select: none;
  will-change: scale, opacity;
  animation: trail-fade 720ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes trail-fade {
  from {
    scale: 1;
    opacity: 1;
  }

  to {
    scale: 0;
    opacity: 0;
  }
}

@keyframes loader-line {
  to {
    width: 100%;
  }
}

@keyframes loader-copy {
  to {
    opacity: 0.78;
  }
}

.university-bar {
  color: rgba(255, 255, 255, 0.82);
  background: var(--burgundy);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.university-bar .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 34px;
}

.university-bar a:hover {
  color: white;
}

.site-announcement {
  padding: 10px 24px;
  color: white;
  background: var(--scarlet);
  font-size: 12px;
  font-weight: 650;
  text-align: center;
}

.site-announcement a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.header-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 64px), var(--shell));
  min-height: 88px;
  margin-inline: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 15px;
}

.brand-copy {
  display: flex;
  flex-direction: column;
}

.brand-copy strong {
  font-family: var(--font-cormorant), Georgia, "Times New Roman", serif;
  font-size: 29px;
  font-weight: 650;
  line-height: 0.82;
  letter-spacing: -0.02em;
}

.brand-copy small {
  margin-top: 9px;
  color: #595651;
  font-size: 8px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.logo-crop {
  --logo-size: 58px;
  position: relative;
  display: block;
  width: var(--logo-size);
  height: var(--logo-size);
  overflow: hidden;
  flex: 0 0 auto;
  background: white;
  border: 1px solid #e6e4df;
  border-radius: 50%;
}

.logo-profile-crop img {
  position: absolute;
  top: calc(var(--logo-size) * -0.24);
  left: calc(var(--logo-size) * -0.01);
  width: calc(var(--logo-size) * 2.975);
  max-width: none;
  height: auto;
}

.logo-direct img {
  width: 100%;
  height: 100%;
  padding: calc(var(--logo-size) * 0.06);
  object-fit: contain;
}

.logo-small {
  --logo-size: 40px;
}

.logo-large {
  --logo-size: 104px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2vw, 34px);
  color: #383633;
  font-size: 13px;
  font-weight: 550;
}

.nav-links > a:not(.nav-action) {
  position: relative;
  padding-block: 34px;
}

.nav-links > a:not(.nav-action)::after {
  position: absolute;
  right: 0;
  bottom: 25px;
  left: 0;
  height: 1px;
  content: "";
  background: var(--scarlet);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms ease;
}

.nav-links > a:not(.nav-action):hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-action {
  padding: 12px 18px;
  color: white;
  background: var(--scarlet);
  transition: background 180ms ease;
}

.nav-action:hover {
  background: var(--scarlet-deep);
}

.menu-button {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  font: inherit;
  font-size: 13px;
}

.hero {
  position: relative;
  min-height: 665px;
  overflow: hidden;
  color: white;
  background: #2a231f;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 54%;
  animation: hero-scale 7s cubic-bezier(0.2, 0.6, 0.2, 1) both;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(28, 18, 17, 0.92) 0%, rgba(35, 18, 20, 0.74) 43%, rgba(20, 14, 14, 0.18) 76%),
    linear-gradient(0deg, rgba(17, 13, 12, 0.55), transparent 42%);
}

@keyframes hero-scale {
  from {
    transform: scale(1.035);
  }
  to {
    transform: scale(1);
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  min-height: 665px;
  padding-block: 112px 76px;
}

.hero-copy {
  max-width: 750px;
  opacity: 0;
  transform: translateY(18px);
  animation: hero-copy-in 800ms 550ms cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
}

@keyframes hero-copy-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 13px;
  margin: 0 0 26px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.eyebrow span {
  width: 36px;
  height: 1px;
  background: rgba(255, 255, 255, 0.65);
}

.hero h1 {
  margin: 0;
  font-family: var(--font-cormorant), Georgia, "Songti SC", serif;
  font-size: clamp(46px, 5vw, 70px);
  font-weight: 520;
  line-height: 1.13;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.hero-lead {
  max-width: 640px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 16px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-width: 190px;
  padding: 15px 18px;
  border: 1px solid rgba(255, 255, 255, 0.58);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.03em;
  transition:
    color 180ms ease,
    background 180ms ease,
    border 180ms ease;
}

.primary-button {
  background: var(--scarlet);
  border-color: var(--scarlet);
}

.primary-button:hover {
  background: var(--scarlet-deep);
  border-color: var(--scarlet-deep);
}

.quiet-button:hover {
  color: var(--ink);
  background: white;
  border-color: white;
}

.hero-caption {
  max-width: 260px;
  padding-left: 22px;
  border-left: 1px solid rgba(255, 255, 255, 0.5);
  font-size: 11px;
}

.hero-caption span {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.hero-caption p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.scroll-cue {
  position: absolute;
  right: 34px;
  bottom: 40px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 8px;
  letter-spacing: 0.2em;
  writing-mode: vertical-rl;
}

.scroll-cue span {
  width: 1px;
  height: 58px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.36);
}

.scroll-cue span::after {
  display: block;
  width: 1px;
  height: 24px;
  content: "";
  background: white;
  animation: scroll-line 1.8s ease-in-out infinite;
}

@keyframes scroll-line {
  from {
    transform: translateY(-28px);
  }
  to {
    transform: translateY(66px);
  }
}

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

.intro-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.intro-grid p {
  margin: 0;
  padding: 20px 28px;
  color: #5d5a55;
  border-right: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-align: center;
}

.intro-grid p:first-child {
  border-left: 1px solid var(--line);
}

.identity-section {
  background: white;
}

.identity-grid {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(54px, 7vw, 106px);
  align-items: center;
}

.identity-media {
  margin: 0;
}

.identity-media img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center;
}

.identity-media figcaption {
  padding-top: 12px;
  color: var(--stone);
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.identity-label {
  display: flex;
  align-items: center;
  gap: 15px;
}

.identity-copy h2 {
  max-width: 760px;
  margin: 28px 0 0;
  font-family: var(--font-cormorant), Georgia, "Songti SC", serif;
  font-size: clamp(38px, 4vw, 52px);
  font-weight: 540;
  line-height: 1.24;
  letter-spacing: -0.025em;
}

.identity-lead {
  margin: 30px 0 0;
  font-family: var(--font-cormorant), Georgia, "Songti SC", serif;
  font-size: 21px;
  line-height: 1.75;
}

.identity-copy > p:not(.identity-lead) {
  margin: 22px 0 0;
  color: var(--stone);
  font-size: 14px;
  line-height: 1.9;
}

.identity-copy .identity-english {
  padding-left: 22px;
  border-left: 2px solid var(--scarlet);
  font-family: var(--font-cormorant), Georgia, serif;
  font-size: 16px !important;
  line-height: 1.65 !important;
}

.identity-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.identity-actions a {
  padding: 13px 16px;
  color: var(--ink);
  border: 1px solid var(--ink);
  font-size: 11px;
  font-weight: 650;
  transition:
    color 180ms ease,
    background 180ms ease;
}

.identity-actions a:first-child,
.identity-actions a:hover {
  color: white;
  background: var(--scarlet);
  border-color: var(--scarlet);
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 84px;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--line);
}

.evidence-grid article {
  min-height: 220px;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.evidence-grid span {
  color: var(--scarlet);
  font-size: 8px;
  font-weight: 750;
  letter-spacing: 0.15em;
}

.evidence-grid strong {
  display: block;
  margin-top: 35px;
  font-family: var(--font-cormorant), Georgia, "Songti SC", serif;
  font-size: 26px;
  font-weight: 550;
}

.evidence-grid p {
  margin: 13px 0 0;
  color: var(--stone);
  font-size: 12px;
  line-height: 1.75;
}

.section {
  padding-block: clamp(88px, 9vw, 132px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(180px, 0.42fr) minmax(0, 1.58fr);
  gap: 70px;
  align-items: start;
  margin-bottom: 58px;
}

.section-heading > div:first-child {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 7px;
}

.section-index {
  color: var(--scarlet);
  font-family: var(--font-cormorant), Georgia, serif;
  font-size: 24px;
}

.section-label {
  margin: 0;
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.18em;
}

.section-heading h2,
.about-title h2 {
  max-width: 820px;
  margin: 0;
  font-family: var(--font-cormorant), Georgia, "Songti SC", serif;
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 540;
  line-height: 1.22;
  letter-spacing: -0.025em;
}

.section-heading > div:last-child > p {
  max-width: 650px;
  margin: 20px 0 0;
  color: var(--stone);
  font-size: 14px;
  line-height: 1.85;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 720ms cubic-bezier(0.2, 0.7, 0.2, 1),
    transform 720ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

.resources-section {
  background: var(--warm-white);
}

.resource-list {
  border-top: 1px solid var(--ink);
}

.resource-row {
  display: grid;
  grid-template-columns: 64px 0.55fr 0.85fr 1.3fr 40px;
  gap: 26px;
  align-items: center;
  min-height: 122px;
  border-bottom: 1px solid var(--line);
  transition:
    color 200ms ease,
    background 200ms ease,
    padding 200ms ease;
}

.resource-row:hover {
  padding-inline: 20px;
  color: white;
  background: var(--burgundy);
}

.resource-index {
  color: var(--scarlet);
  font-family: var(--font-cormorant), Georgia, serif;
  font-size: 23px;
}

.resource-row:hover .resource-index {
  color: white;
}

.resource-label {
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.14em;
}

.resource-title {
  font-family: var(--font-cormorant), Georgia, "Songti SC", serif;
  font-size: 25px;
  font-weight: 550;
}

.resource-description {
  color: var(--stone);
  font-size: 13px;
  line-height: 1.7;
}

.resource-row:hover .resource-description {
  color: rgba(255, 255, 255, 0.75);
}

.resource-arrow {
  justify-self: end;
  font-size: 18px;
}

/* 文案重点：后台文案里 **……** 会渲染成 <mark class="hl">。
   默认只加粗、不变色；鼠标悬停到所在段落 / 卡片时变红并放大。深色区块用浅红。 */
mark.hl {
  color: inherit;
  font-weight: 650;
  background: none;
  transition:
    color 220ms ease,
    font-size 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* 用 font-size 而不是 transform 放大：长句重点会随文字重排，不会盖住旁边的字。 */
:is(p, small, article, li, .hero-copy, .resource-row):hover mark.hl,
mark.hl:hover {
  color: var(--hl-color, var(--scarlet));
  font-size: 1.12em;
}

.hero,
.updates-section,
.closing-section,
.site-footer,
.resource-row:hover,
.resource-item[open] > .resource-row {
  --hl-color: #ff6b88;
}

/* 触屏没有悬停：重点常驻红色，不放大。 */
@media (hover: none) {
  mark.hl {
    color: var(--hl-color, var(--scarlet));
  }
}

/* 资源行下拉：<details> 折叠，展开后列出该分类的常用网站。 */
.resource-item {
  border-bottom: 1px solid var(--line);
}

.resource-item > .resource-row {
  border-bottom: none;
  cursor: pointer;
  list-style: none;
}

.resource-item > .resource-row::-webkit-details-marker {
  display: none;
}

.resource-item > .resource-row:focus-visible {
  outline: 2px solid var(--scarlet);
  outline-offset: -2px;
}

.resource-item[open] > .resource-row {
  padding-inline: 20px;
  color: white;
  background: var(--burgundy);
}

.resource-item[open] > .resource-row .resource-index {
  color: white;
}

.resource-item[open] > .resource-row .resource-description {
  color: rgba(255, 255, 255, 0.75);
}

.resource-toggle {
  transition: transform 260ms cubic-bezier(0.22, 1, 0.36, 1);
}

.resource-item[open] .resource-toggle {
  transform: rotate(180deg);
}

.resource-panel {
  padding: 22px 20px 30px;
  background: rgba(255, 255, 255, 0.55);
}

.resource-item[open] .resource-panel {
  animation: resource-panel-in 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes resource-panel-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

.resource-panel ul {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 36px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.resource-panel li {
  border-bottom: 1px solid var(--line);
}

.resource-panel a {
  display: flex;
  gap: 10px;
  align-items: center;
  min-height: 44px;
  padding: 6px 0;
  color: inherit;
  font-size: 13px;
  text-decoration: none;
  transition:
    color 200ms ease,
    padding 200ms ease;
}

.resource-panel a:hover {
  padding-left: 6px;
  color: var(--scarlet);
}

.resource-panel-emoji {
  flex: 0 0 auto;
  width: 20px;
  text-align: center;
  font-size: 15px;
}

.resource-panel a {
  align-items: flex-start;
}

.resource-panel-emoji,
.resource-panel-ext {
  margin-top: 8px;
}

.resource-panel-copy {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-width: 0;
  padding-block: 7px;
}

.resource-panel-name {
  line-height: 1.4;
}

/* 新生提示：默认收起，悬停 / 键盘聚焦时展开；<mark> 是红色放大的重点。 */
.resource-panel-tip {
  display: block;
  max-height: 0;
  overflow: hidden;
  color: var(--stone);
  font-size: 12px;
  line-height: 1.7;
  opacity: 0;
  transition:
    max-height 360ms cubic-bezier(0.22, 1, 0.36, 1),
    margin-top 360ms cubic-bezier(0.22, 1, 0.36, 1),
    opacity 240ms ease;
}

.resource-panel a:hover .resource-panel-tip,
.resource-panel a:focus-visible .resource-panel-tip {
  max-height: 5em;
  margin-top: 3px;
  opacity: 1;
}

.resource-panel-tip mark {
  display: inline-block;
  color: var(--scarlet);
  font-size: 1.25em;
  font-weight: 650;
  line-height: 1.3;
  background: none;
  transform: scale(0.85);
  transform-origin: left center;
  transition: transform 360ms cubic-bezier(0.22, 1, 0.36, 1) 80ms;
}

.resource-panel a:hover .resource-panel-tip mark,
.resource-panel a:focus-visible .resource-panel-tip mark {
  transform: scale(1);
}

/* 触屏没有悬停：提示常驻显示。 */
@media (hover: none) {
  .resource-panel-tip {
    max-height: none;
    margin-top: 3px;
    opacity: 1;
  }

  .resource-panel-tip mark {
    transform: none;
  }
}

.resource-panel-ext {
  flex: 0 0 auto;
  color: var(--stone);
  font-size: 12px;
  transition: color 200ms ease;
}

.resource-panel a:hover .resource-panel-ext {
  color: var(--scarlet);
}

.updates-section {
  color: white;
  background: var(--charcoal);
}

.light-heading .section-index {
  color: #e7bac5;
}

.light-heading > div:last-child > p {
  color: rgba(255, 255, 255, 0.6);
}

.updates-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(330px, 0.85fr);
  gap: 46px;
}

.featured-update {
  background: #302e2b;
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.featured-image {
  height: 330px;
  overflow: hidden;
}

.featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms ease;
}

.featured-update:hover .featured-image img {
  transform: scale(1.025);
}

.featured-copy {
  padding: 38px;
}

.content-meta,
.update-item p,
.platform-label {
  margin: 0;
  color: #cf9fac;
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.16em;
}

.featured-copy h3 {
  max-width: 630px;
  margin: 18px 0 14px;
  font-family: var(--font-cormorant), Georgia, "Songti SC", serif;
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 520;
  line-height: 1.3;
}

.featured-copy > p:not(.content-meta) {
  max-width: 640px;
  margin: 0;
  color: rgba(255, 255, 255, 0.65);
  font-size: 13px;
  line-height: 1.8;
}

.featured-copy a {
  display: inline-block;
  margin-top: 28px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.45);
  font-size: 12px;
}

.update-list {
  border-top: 1px solid rgba(255, 255, 255, 0.25);
}

.update-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 20px;
  padding: 29px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.update-item > span {
  color: rgba(255, 255, 255, 0.45);
  font-family: var(--font-cormorant), Georgia, serif;
  font-size: 20px;
}

.update-item h3 {
  margin: 8px 0 8px;
  font-family: var(--font-cormorant), Georgia, "Songti SC", serif;
  font-size: 22px;
  font-weight: 530;
  line-height: 1.35;
}

.update-item small {
  display: block;
  color: rgba(255, 255, 255, 0.56);
  font-size: 12px;
  line-height: 1.7;
}

.update-source-link {
  display: inline-block;
  margin-top: 13px;
  padding-bottom: 4px;
  color: white;
  border-bottom: 1px solid rgba(255, 255, 255, 0.42);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.update-source-link:hover {
  border-color: white;
}

/* 资讯列表：未绑定公众号时的占位卡，以及列表下方的「以前文章去公众号」提示 */
.update-placeholder {
  display: grid;
  gap: 14px;
  align-content: start;
  align-self: start;
  justify-items: start;
  padding: 44px 40px;
  border: 1px dashed rgba(255, 255, 255, 0.28);
}

.update-placeholder-mark {
  color: rgba(255, 255, 255, 0.45);
  font-family: var(--font-cormorant), Georgia, serif;
  font-size: 34px;
  line-height: 1;
  letter-spacing: 0.2em;
}

.update-placeholder h3 {
  margin: 0;
  font-family: var(--font-cormorant), Georgia, "Songti SC", serif;
  font-size: 30px;
  font-weight: 530;
  line-height: 1.3;
}

.update-placeholder p {
  max-width: 420px;
  margin: 0;
  color: rgba(255, 255, 255, 0.56);
  font-size: 13px;
  line-height: 1.8;
}

.update-placeholder .update-source-link {
  margin-top: 4px;
}

.update-archive-note {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.56);
  font-size: 12px;
  line-height: 1.7;
}

.update-archive-note a {
  color: white;
  border-bottom: 1px solid rgba(255, 255, 255, 0.42);
}

.update-archive-note a:hover {
  border-color: white;
}

.about-section {
  background: white;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(60px, 9vw, 140px);
}

.about-title .section-label {
  display: inline-block;
  margin-left: 14px;
}

.about-title h2 {
  margin-top: 36px;
}

.about-copy {
  padding-top: 48px;
}

.about-copy .lead {
  margin: 0;
  font-family: var(--font-cormorant), Georgia, "Songti SC", serif;
  font-size: 25px;
  line-height: 1.65;
}

.about-copy > p:not(.lead) {
  margin: 26px 0 0;
  color: var(--stone);
  font-size: 14px;
  line-height: 1.9;
}

.about-copy > a {
  display: inline-block;
  margin-top: 30px;
  padding-bottom: 7px;
  color: var(--scarlet);
  border-bottom: 1px solid var(--scarlet);
  font-size: 12px;
  font-weight: 650;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 86px;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--line);
}

.principles-grid article {
  min-height: 260px;
  padding: 32px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.principles-grid span {
  color: var(--scarlet);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.principles-grid h3 {
  margin: 46px 0 14px;
  font-family: var(--font-cormorant), Georgia, "Songti SC", serif;
  font-size: 33px;
  font-weight: 540;
}

.principles-grid p {
  margin: 0;
  color: var(--stone);
  font-size: 13px;
  line-height: 1.8;
}

.social-section {
  background: var(--warm-white);
  border-top: 1px solid var(--line);
}

.social-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.social-card {
  overflow: hidden;
  background: white;
  border: 1px solid var(--line);
}

.social-preview {
  display: grid;
  place-items: center;
  height: 320px;
  overflow: hidden;
  padding: 24px;
  background: #f5f2ec;
  border-bottom: 1px solid var(--line);
}

.social-preview img {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 100%;
  object-fit: contain;
}

.social-card:hover .social-preview img {
  transform: none;
}

.wechat-preview img {
  background: white;
}

.rednote-preview img {
  background: white;
}

.social-content {
  padding: 34px;
}

.social-content .platform-label {
  color: var(--scarlet);
}

.social-content h3 {
  margin: 15px 0 26px;
  font-family: var(--font-cormorant), Georgia, "Songti SC", serif;
  font-size: 32px;
  font-weight: 540;
}

.social-content dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.social-content dl div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.social-content dt {
  color: var(--stone);
  font-size: 11px;
}

.social-content dd {
  margin: 0;
  font-family: var(--font-cormorant), Georgia, serif;
  font-size: 18px;
  font-weight: 600;
}

.social-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 25px;
}

.social-actions button,
.social-actions a {
  padding: 12px 15px;
  color: var(--ink);
  background: white;
  border: 1px solid var(--ink);
  font: inherit;
  font-size: 11px;
  font-weight: 650;
  cursor: pointer;
}

.social-actions button:hover,
.social-actions a:hover,
.social-actions .primary-social-action {
  color: white;
  background: var(--scarlet);
  border-color: var(--scarlet);
}

.action-note {
  margin: 14px 0 0;
  color: var(--stone);
  font-size: 10px;
  line-height: 1.6;
}

.secondary-channels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 24px;
  background: var(--charcoal);
}

.secondary-channels > div {
  display: flex;
  flex-direction: column;
  min-height: 170px;
  padding: 27px;
  color: white;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

.secondary-channels span {
  color: #cf9fac;
  font-size: 8px;
  font-weight: 750;
  letter-spacing: 0.16em;
}

.secondary-channels strong {
  margin-top: 22px;
  font-family: var(--font-cormorant), Georgia, serif;
  font-size: 20px;
  font-weight: 530;
  overflow-wrap: anywhere;
}

.secondary-channels a {
  margin-top: auto;
  color: rgba(255, 255, 255, 0.72);
  font-size: 10px;
}

.closing-section {
  padding-block: clamp(90px, 11vw, 150px);
  color: white;
  background: var(--burgundy);
}

.closing-grid {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 80px;
  align-items: end;
}

.closing-grid > div:first-child {
  display: flex;
  align-items: center;
  gap: 24px;
}

.closing-grid > div:first-child p {
  max-width: 250px;
  margin: 0;
  font-size: 9px;
  font-weight: 650;
  line-height: 1.7;
  letter-spacing: 0.16em;
}

.closing-grid h2 {
  max-width: 720px;
  margin: 0;
  font-family: var(--font-cormorant), Georgia, "Songti SC", serif;
  font-size: clamp(38px, 4.5vw, 58px);
  font-weight: 530;
  line-height: 1.25;
}

.closing-grid > div:last-child > a {
  display: inline-flex;
  align-items: center;
  gap: 80px;
  margin-top: 34px;
  padding: 14px 18px;
  color: var(--burgundy);
  background: white;
  font-size: 12px;
  font-weight: 650;
}

/* ---- 意见箱（suggestions.php） ---- */
.subpage .site-header {
  position: sticky;
  top: 0;
}

.suggestions-section {
  background: var(--warm-white);
}

.suggestions-notice {
  max-width: 760px;
  margin: 0 0 28px;
  padding: 14px 18px;
  color: #124a2a;
  background: #e4f3ea;
  border-left: 3px solid #1f7a45;
  font-size: 13px;
}

.suggestions-notice.is-error {
  color: #6b0020;
  background: #f7dfe6;
  border-left-color: var(--scarlet);
}

.suggestion-form {
  display: grid;
  gap: 12px;
  max-width: 760px;
  padding: 28px;
  background: white;
  border: 1px solid var(--line);
  border-top: 2px solid var(--ink);
}

.suggestion-form > label {
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.suggestion-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.suggestion-form textarea {
  width: 100%;
  min-height: 120px;
  padding: 14px 16px;
  color: var(--ink);
  font: inherit;
  font-size: 15px;
  line-height: 1.7;
  background: var(--warm-white);
  border: 1px solid var(--line);
  border-radius: 0;
  resize: vertical;
}

.suggestion-form textarea:focus {
  outline: 2px solid var(--scarlet);
  outline-offset: -1px;
}

.suggestion-form-foot {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

.suggestion-form-foot .button {
  color: white;
  min-width: 0;
  gap: 14px;
  cursor: pointer;
}

.suggestion-counter {
  color: var(--stone);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.suggestion-toolbar {
  display: flex;
  gap: 16px;
  align-items: baseline;
  justify-content: space-between;
  margin: 64px 0 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--ink);
}

.suggestion-toolbar p {
  margin: 0;
  color: var(--stone);
  font-size: 13px;
}

.suggestion-sort {
  display: flex;
  gap: 4px;
}

.suggestion-sort a {
  padding: 6px 12px;
  color: var(--stone);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
}

.suggestion-sort a[aria-current="page"] {
  color: var(--ink);
  border-color: var(--ink);
}

.suggestion-empty {
  padding: 48px 24px;
  color: var(--stone);
  text-align: center;
  background: white;
  border: 1px solid var(--line);
}

.suggestion-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.suggestion-card {
  display: grid;
  gap: 16px;
  padding: 24px 26px;
  background: white;
  border: 1px solid var(--line);
  scroll-margin-top: 110px;
  transition: border-color 200ms ease;
}

.suggestion-card:hover {
  border-color: var(--ink);
}

.suggestion-card:target {
  border-color: var(--scarlet);
}

.suggestion-body {
  font-size: 15px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.suggestion-reply {
  display: grid;
  gap: 6px;
  padding: 14px 18px;
  background: var(--warm-white);
  border-left: 3px solid var(--scarlet);
}

.suggestion-reply span {
  color: var(--scarlet);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 0.16em;
}

.suggestion-reply p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
}

.suggestion-meta {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

.suggestion-meta time {
  color: var(--stone);
  font-size: 12px;
}

.vote-button {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 8px 14px;
  color: var(--ink);
  font: inherit;
  font-size: 12px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  background: white;
  border: 1px solid var(--line);
  cursor: pointer;
  transition:
    color 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

.vote-button:hover {
  border-color: var(--scarlet);
  color: var(--scarlet);
}

.vote-button.is-voted {
  color: white;
  background: var(--scarlet);
  border-color: var(--scarlet);
}

.vote-button.is-voted:hover {
  background: var(--scarlet-deep);
  border-color: var(--scarlet-deep);
  color: white;
}

.vote-icon {
  font-size: 10px;
}

.vote-button.is-bumping .vote-icon {
  animation: vote-bump 360ms cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes vote-bump {
  0% {
    transform: translateY(0);
  }

  40% {
    transform: translateY(-4px) scale(1.3);
  }

  100% {
    transform: translateY(0);
  }
}

.suggestion-privacy {
  max-width: 760px;
  margin: 40px 0 0;
  color: var(--stone);
  font-size: 12px;
  line-height: 1.7;
}

.site-footer {
  color: #cfccc5;
  background: #181817;
}

.footer-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.3fr auto;
  gap: 50px;
  align-items: center;
  min-height: 94px;
}

.update-item:has(.update-thumb) {
  grid-template-columns: 48px minmax(0, 1fr) 112px;
}

.update-thumb {
  width: 112px;
  height: 82px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.footer-grid p {
  margin: 0;
  font-size: 9px;
  line-height: 1.65;
}

.footer-grid a {
  font-size: 10px;
}

.footer-actions {
  display: flex;
  justify-content: flex-end;
  gap: 18px;
  white-space: nowrap;
}

@media (max-width: 1040px) {
  .nav-links {
    gap: 17px;
  }

  .resource-row {
    grid-template-columns: 50px 0.5fr 0.85fr 1.1fr 30px;
    gap: 17px;
  }

  .updates-layout {
    grid-template-columns: 1fr;
  }

  .featured-update {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .featured-image {
    height: 100%;
    min-height: 330px;
  }
}

@media (max-width: 860px) {
  .resource-panel ul {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 24px;
  }

  .shell,
  .header-shell {
    width: min(calc(100% - 40px), var(--shell));
  }

  .university-bar {
    display: none;
  }

  .header-shell {
    min-height: 76px;
  }

  .brand-copy strong {
    font-size: 25px;
  }

  .brand-copy small {
    font-size: 7px;
  }

  .logo-crop {
    --logo-size: 48px;
  }

  .logo-large {
    --logo-size: 92px;
  }

  .menu-button {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 76px;
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 12px 20px 24px;
    background: white;
    border-bottom: 1px solid var(--line);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links > a:not(.nav-action) {
    padding-block: 16px;
    border-bottom: 1px solid var(--line);
  }

  .nav-links > a:not(.nav-action)::after {
    display: none;
  }

  .nav-action {
    margin-top: 12px;
    text-align: center;
  }

  .hero,
  .hero-content {
    min-height: 620px;
  }

  .hero-content {
    align-items: flex-start;
    flex-direction: column;
    justify-content: flex-end;
    padding-block: 100px 65px;
  }

  .hero-caption,
  .scroll-cue {
    display: none;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .resource-row {
    grid-template-columns: 44px 1fr 34px;
    gap: 14px;
    padding-block: 24px;
  }

  .resource-row .resource-label {
    display: none;
  }

  .resource-title {
    font-size: 23px;
  }

  .resource-description {
    grid-column: 2;
  }

  .resource-arrow {
    grid-column: 3;
    grid-row: 1 / 3;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .identity-grid {
    grid-template-columns: 1fr;
  }

  .identity-media img {
    aspect-ratio: 16 / 9;
  }

  .evidence-grid {
    grid-template-columns: 1fr;
  }

  .evidence-grid article {
    min-height: auto;
  }

  .about-copy {
    padding-top: 0;
  }

  .principles-grid {
    grid-template-columns: 1fr;
  }

  .principles-grid article {
    min-height: auto;
  }

  .social-grid {
    grid-template-columns: 1fr;
  }

  .secondary-channels {
    grid-template-columns: 1fr;
  }

  .secondary-channels > div {
    min-height: 145px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  }

  .closing-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .footer-grid {
    grid-template-columns: 1fr auto;
    gap: 16px;
    padding-block: 24px;
  }

  .footer-grid p:nth-child(2) {
    grid-column: 1 / -1;
    grid-row: 2;
  }
}

@media (max-width: 620px) {
  .suggestion-form {
    padding: 20px 16px;
  }

  .suggestion-form-foot {
    flex-direction: column;
    align-items: stretch;
  }

  .suggestion-card {
    padding: 18px 16px;
  }

  .suggestion-toolbar {
    margin-top: 44px;
  }

  .resource-panel {
    padding: 16px 12px 22px;
  }

  .resource-panel ul {
    grid-template-columns: 1fr;
  }

  html {
    scroll-padding-top: 76px;
  }

  .shell,
  .header-shell {
    width: min(calc(100% - 32px), var(--shell));
  }

  .brand-copy small {
    display: none;
  }

  .hero,
  .hero-content {
    min-height: 650px;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(28, 18, 17, 0.88), rgba(28, 18, 17, 0.52)),
      linear-gradient(0deg, rgba(17, 13, 12, 0.72), transparent 50%);
  }

  .hero h1 {
    font-size: clamp(40px, 12vw, 52px);
  }

  .hero-lead {
    font-size: 14px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .eyebrow {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .eyebrow span {
    display: none;
  }

  .intro-grid {
    grid-template-columns: 1fr;
  }

  .intro-grid p,
  .intro-grid p:first-child {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    border-left: 0;
  }

  .section {
    padding-block: 76px;
  }

  .identity-copy h2 {
    font-size: 36px;
  }

  .identity-lead {
    font-size: 19px;
  }

  .identity-actions {
    flex-direction: column;
  }

  .identity-actions a {
    text-align: center;
  }

  .section-heading h2,
  .about-title h2 {
    font-size: 36px;
  }

  .featured-update {
    display: block;
  }

  .featured-image {
    height: 240px;
    min-height: 0;
  }

  .featured-copy {
    padding: 28px;
  }

  .about-copy .lead {
    font-size: 21px;
  }

  .principles-grid {
    margin-top: 60px;
  }

  .social-preview {
    height: 240px;
  }

  .social-content {
    padding: 27px;
  }

  .social-content dl div {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .closing-grid > div:first-child {
    align-items: flex-start;
    flex-direction: column;
  }

  .closing-grid h2 {
    font-size: 38px;
  }

  .footer-grid {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}