/* =========================================================
   美教跨媒体方向 · 2025 · 黑金 · ak 风
   全黑底 + 金色装饰 + 大量留白 + 大字 sans-serif
   ========================================================= */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* 主色 */
  --bg:      #050505;          /* 主黑,纯黑略偏 */
  --bg-2:    #0c0c0c;          /* 卡片/区段黑 */
  --bg-3:    #141414;          /* 略亮 */
  --line:    rgba(212, 168, 87, 0.18);   /* 金色描边 */
  --line-2:  rgba(212, 168, 87, 0.35);   /* 金色描边 hover */

  /* 金/橙 */
  --gold:    #d4a857;          /* ak 主金 */
  --gold-hi: #e8c074;          /* hover 高亮金 */
  --gold-lo: #8a6a36;          /* 暗金 */

  /* 文字 */
  --ink:     #ececec;          /* 主白 */
  --ink-2:   #b8b8b8;          /* 次白 */
  --mute:    #6a6a6a;          /* 极弱 */

  --font-zh: "PingFang SC", "Songti SC", "STSong", "Source Han Serif SC",
             "Noto Serif CJK SC", "Hiragino Sans GB", sans-serif;
  --font-en: "Helvetica Neue", "Helvetica", "Inter", "Arial", sans-serif;
  --font-serif: "Songti SC", "STSong", "Source Han Serif SC", "Times New Roman", serif;

  --max:    1280px;
  --gutter: clamp(20px, 5vw, 72px);

  --t-fast: 200ms cubic-bezier(.2,.6,.2,1);
  --t-slow: 700ms cubic-bezier(.2,.6,.2,1);
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-zh);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }

/* =========================================================
   NAV
   ========================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px var(--gutter);
  background: linear-gradient(180deg, rgba(5,5,5,0.85) 0%, rgba(5,5,5,0) 100%);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background var(--t-fast);
}
.nav.is-stuck { background: rgba(5,5,5,0.92); }

.nav__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav__brand {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  letter-spacing: 0.05em;
}
.nav__brand-zh {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
}
.nav__brand-en {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-top: 2px;
}

.nav__menu {
  list-style: none;
  display: flex;
  gap: clamp(14px, 2vw, 28px);
}
.nav__menu a {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-2);
  transition: color var(--t-fast);
  position: relative;
}
.nav__menu a:hover { color: var(--gold); }
.nav__menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--t-fast);
}
.nav__menu a:hover::after { width: 100%; }

@media (max-width: 640px) {
  .nav__menu { display: none; }   /* 移动端简化(不展开汉堡,避免过度设计) */
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding: var(--gutter);
  overflow: hidden;
  isolation: isolate;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: var(--bg);
}
.hero__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.55;
  filter: grayscale(0.35) contrast(1.05);
  animation: kenburns 30s ease-in-out infinite alternate;
}
.hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at center, rgba(5,5,5,0.2) 0%, rgba(5,5,5,0.75) 60%, rgba(5,5,5,0.95) 100%),
    linear-gradient(180deg, rgba(5,5,5,0.4) 0%, rgba(5,5,5,0.1) 40%, rgba(5,5,5,0.85) 100%);
}
.hero__grain {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
}

@keyframes kenburns {
  from { transform: scale(1.0); }
  to   { transform: scale(1.08); }
}

.hero__content {
  position: relative;
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding-bottom: clamp(64px, 12vh, 140px);
  animation: heroFade 1.4s cubic-bezier(.2,.6,.2,1) both;
}
@keyframes heroFade {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero__eyebrow {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: clamp(24px, 5vh, 56px);
  padding-left: 14px;
  border-left: 1px solid var(--gold);
}
.hero__eyebrow-zh {
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--gold);
}
.hero__eyebrow-en {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--mute);
}

.hero__title {
  font-family: var(--font-en);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.02em;
}
.hero__title-zh {
  display: block;
  font-family: var(--font-zh);
  font-weight: 500;
  font-size: clamp(44px, 8vw, 120px);
  letter-spacing: 0.06em;
  color: var(--ink);
  margin-bottom: 12px;
}
.hero__title-en {
  display: block;
  font-family: var(--font-en);
  font-size: clamp(14px, 1.6vw, 22px);
  font-weight: 400;
  letter-spacing: 0.4em;
  color: var(--gold);
}

.hero__sub {
  margin-top: clamp(24px, 4vh, 48px);
  max-width: 640px;
  font-size: clamp(14px, 1.3vw, 17px);
  line-height: 1.75;
  color: var(--ink-2);
}
.hero__sub-zh { display: block; }
.hero__sub-en { display: block; color: var(--mute); font-style: italic; margin-top: 8px; font-size: 0.92em; }

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: clamp(32px, 6vh, 72px);
  padding: 0;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
}
.hero__cta-line {
  display: inline-block;
  width: 48px;
  height: 1px;
  background: var(--gold);
  position: relative;
  animation: ctaPulse 2.4s ease-in-out infinite;
}
.hero__cta-line::after {
  content: '';
  position: absolute;
  right: 0; top: 50%;
  width: 6px; height: 6px;
  border-top: 1px solid var(--gold);
  border-right: 1px solid var(--gold);
  transform: translateY(-50%) rotate(45deg);
}
@keyframes ctaPulse {
  0%, 100% { opacity: 1; transform: translateX(0); }
  50%      { opacity: 0.4; transform: translateX(4px); }
}

/* 左下角班级号脚注 */
.hero__classmark {
  position: absolute;
  bottom: clamp(24px, 4vh, 48px);
  left: var(--gutter);
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
  font-family: var(--font-en);
  z-index: 1;
}
.hero__classmark-label {
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--mute);
}
.hero__classmark-num {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--gold);
}

/* 右下角金色装饰角 */
.hero__corner {
  position: absolute;
  bottom: 0;
  right: 0;
  width: clamp(120px, 18vw, 220px);
  height: clamp(120px, 18vw, 220px);
  pointer-events: none;
  background:
    linear-gradient(135deg, transparent calc(50% - 1px), var(--gold) calc(50% - 1px), var(--gold) calc(50% + 1px), transparent calc(50% + 1px)),
    linear-gradient(45deg, transparent calc(50% - 1px), var(--gold) calc(50% - 1px), var(--gold) calc(50% + 1px), transparent calc(50% + 1px));
  mask: radial-gradient(circle at 100% 100%, black 0%, black 60%, transparent 80%);
  -webkit-mask: radial-gradient(circle at 100% 100%, black 0%, black 60%, transparent 80%);
  opacity: 0.4;
}

@media (max-width: 640px) {
  .hero__corner { width: 80px; height: 80px; }
}

/* =========================================================
   SECTION 通用
   ========================================================= */
.section {
  padding: clamp(80px, 14vh, 180px) var(--gutter);
  position: relative;
}
.section__inner {
  max-width: var(--max);
  margin: 0 auto;
}
.section__inner--wide {
  max-width: 1440px;
}

.kicker {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: clamp(24px, 4vh, 48px);
  display: flex;
  gap: 6px;
  align-items: baseline;
}
.kicker .zh { display: inline; color: var(--ink-2); }
.kicker .en { display: inline; color: var(--gold); }

.display {
  font-family: var(--font-zh);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: 0.02em;
  font-size: clamp(40px, 7vw, 96px);
  color: var(--ink);
  margin-bottom: clamp(40px, 6vh, 80px);
}
.display .zh { display: block; font-weight: 500; }
.display .en {
  display: block;
  font-family: var(--font-en);
  font-style: italic;
  font-size: 0.42em;
  font-weight: 300;
  letter-spacing: 0.16em;
  color: var(--mute);
  margin-top: 18px;
  text-transform: uppercase;
}

.lede {
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.85;
  margin-bottom: clamp(40px, 6vh, 64px);
  max-width: 60ch;
  color: var(--ink-2);
}
.lede .zh { display: block; }
.lede .en { display: block; color: var(--mute); font-style: italic; margin-top: 14px; font-size: 0.92em; }

/* =========================================================
   ABOUT
   ========================================================= */
.section--about { background: var(--bg); }

.about__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(48px, 8vh, 96px);
}
@media (min-width: 960px) {
  .about__body { grid-template-columns: 5fr 7fr; gap: clamp(64px, 8vw, 120px); }
}

.facts {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
}
@media (min-width: 600px) {
  .facts { grid-template-columns: 1fr 1fr; }
}

.fact {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
@media (min-width: 600px) {
  .fact:nth-child(odd) { padding-right: 24px; border-right: 1px solid var(--line); }
}

.fact dt {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.24em;
  color: var(--mute);
}
.fact dt .zh, .fact dt .en { display: inline; }

.fact dd {
  font-size: clamp(15px, 1.2vw, 17px);
  font-weight: 500;
  color: var(--ink);
}
.fact dd .zh { display: block; }
.fact dd .en { display: block; color: var(--mute); font-size: 0.82em; margin-top: 4px; font-family: var(--font-en); letter-spacing: 0.04em; }

/* =========================================================
   PORTRAIT (合影)
   ========================================================= */
.section--portrait {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.portrait { width: 100%; }

.portrait__frame {
  position: relative;
  display: inline-block;
  width: 100%;
}
.portrait__frame img {
  width: 100%;
  height: auto;
  filter: contrast(1.05) saturate(0.92);
}

/* 四角金色 L 形装饰(ak 招牌) */
.portrait__corner {
  position: absolute;
  width: 28px;
  height: 28px;
  border-color: var(--gold);
  border-style: solid;
  border-width: 0;
  pointer-events: none;
}
.portrait__corner--tl { top: 14px;    left: 14px;    border-top-width: 1px; border-left-width: 1px; }
.portrait__corner--tr { top: 14px;    right: 14px;   border-top-width: 1px; border-right-width: 1px; }
.portrait__corner--bl { bottom: 14px; left: 14px;    border-bottom-width: 1px; border-left-width: 1px; }
.portrait__corner--br { bottom: 14px; right: 14px;   border-bottom-width: 1px; border-right-width: 1px; }

.portrait__caption {
  margin-top: 20px;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--mute);
  text-transform: uppercase;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
}
.portrait__caption .zh { color: var(--gold); font-family: var(--font-zh); letter-spacing: 0.18em; text-transform: none; }
.portrait__caption .en { display: inline; }

/* =========================================================
   ROSTER (同学网格 - 卡片)
   ========================================================= */
.section--roster { background: var(--bg); }

.roster__note {
  font-size: 14px;
  color: var(--mute);
  margin-bottom: clamp(40px, 6vh, 64px);
  max-width: 60ch;
  line-height: 1.7;
}
.roster__note .zh { display: block; }
.roster__note .en { display: block; font-style: italic; margin-top: 6px; font-size: 0.92em; font-family: var(--font-en); }

.roster__grid {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 600px)  { .roster__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px)  { .roster__grid { grid-template-columns: repeat(3, 1fr); gap: 28px; } }
@media (min-width: 1300px) { .roster__grid { grid-template-columns: repeat(4, 1fr); gap: 32px; } }

.roster-card {
  position: relative;
  background: var(--bg-2);
  border: 1px solid var(--line);
  transition: border-color var(--t-fast), transform var(--t-fast);
  opacity: 0;
  transform: translateY(20px);
}
.roster-card.is-in { opacity: 1; transform: translateY(0); transition-delay: calc(var(--idx, 0) * 30ms); }
.roster-card:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
}

.roster-card__link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.roster-card__avatar {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: var(--bg-3);
  overflow: hidden;
}
.roster-card__avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.15) contrast(1.05);
  transition: transform 500ms cubic-bezier(.2,.6,.2,1), filter var(--t-fast);
}
.roster-card:hover .roster-card__avatar-img {
  transform: scale(1.05);
  filter: grayscale(0) contrast(1.1);
}
.roster-card__avatar-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: var(--bg-2);
  color: var(--gold);
  font-family: var(--font-en);
  font-size: clamp(40px, 6vw, 56px);
  font-weight: 800;
  letter-spacing: 0.04em;
}

/* 头像四角金线 */
.roster-card__avatar-corner {
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: var(--gold);
  border-style: solid;
  border-width: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--t-fast);
}
.roster-card:hover .roster-card__avatar-corner { opacity: 1; }
.roster-card__avatar-corner--tl { top: 6px;    left: 6px;    border-top-width: 1px;    border-left-width: 1px; }
.roster-card__avatar-corner--tr { top: 6px;    right: 6px;   border-top-width: 1px;    border-right-width: 1px; }
.roster-card__avatar-corner--bl { bottom: 6px; left: 6px;    border-bottom-width: 1px; border-left-width: 1px; }
.roster-card__avatar-corner--br { bottom: 6px; right: 6px;   border-bottom-width: 1px; border-right-width: 1px; }

.roster-card__body {
  padding: 16px 18px 20px;
  border-top: 1px solid var(--line);
}

.roster-card__id {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--mute);
  margin-bottom: 6px;
}

.roster-card__name {
  font-family: var(--font-zh);
  font-size: clamp(17px, 1.4vw, 20px);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink);
  margin-bottom: 6px;
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.roster-card__role {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--gold);
  font-family: var(--font-zh);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.16em;
  color: var(--gold);
  line-height: 1.4;
}

.roster-card__count {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mute);
  text-transform: uppercase;
}
.roster-card__count--empty {
  color: var(--gold-lo);
  font-style: italic;
}

/* =========================================================
   WORKS
   ========================================================= */
.section--works { background: var(--bg); }

.works__placeholder {
  border: 1px solid var(--line);
  padding: clamp(56px, 12vh, 160px) clamp(24px, 4vw, 64px);
  text-align: center;
  position: relative;
  background:
    repeating-linear-gradient(45deg, transparent 0 12px, rgba(212,168,87,0.025) 12px 13px);
}
.works__placeholder::before,
.works__placeholder::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 24px;
  border-color: var(--gold);
  border-style: solid;
  border-width: 0;
}
.works__placeholder::before { top: -1px; left: -1px;  border-top-width: 1px; border-left-width: 1px; }
.works__placeholder::after  { bottom: -1px; right: -1px; border-bottom-width: 1px; border-right-width: 1px; }

.works__big {
  font-family: var(--font-zh);
  font-weight: 500;
  font-size: clamp(40px, 7vw, 96px);
  line-height: 1;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
  color: var(--ink);
}
.works__big .zh { display: block; }
.works__big .en {
  display: block;
  font-family: var(--font-en);
  font-style: italic;
  font-weight: 300;
  font-size: 0.32em;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-top: 16px;
}

.works__small {
  font-size: 14px;
  color: var(--mute);
  max-width: 56ch;
  margin: 0 auto;
  line-height: 1.8;
}
.works__small .zh { display: block; }
.works__small .en { display: block; margin-top: 10px; font-style: italic; font-family: var(--font-en); font-size: 0.92em; }

/* =========================================================
   UPDATES
   ========================================================= */
.section--updates {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
}

.timeline {
  list-style: none;
  border-top: 1px solid var(--line);
}
.timeline li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}
@media (min-width: 700px) {
  .timeline li { grid-template-columns: 220px 1fr; gap: 40px; align-items: baseline; }
}
.timeline time {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: clamp(18px, 1.8vw, 24px);
  letter-spacing: 0.12em;
  color: var(--gold);
  font-feature-settings: "tnum";
}
.timeline p { font-size: clamp(15px, 1.2vw, 17px); line-height: 1.8; color: var(--ink-2); }
.timeline p .zh { display: block; }
.timeline p .en { display: block; color: var(--mute); font-style: italic; margin-top: 6px; font-size: 0.9em; font-family: var(--font-en); }

/* =========================================================
   CONTACT
   ========================================================= */
.section--contact { background: var(--bg); }

.contact__list {
  list-style: none;
  border-top: 1px solid var(--line);
}
.contact__list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
@media (min-width: 720px) {
  .contact__list li {
    grid-template-columns: 180px 1fr auto;
    gap: 32px;
  }
}

.contact__label {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
}
.contact__label .zh, .contact__label .en { display: inline; }

.contact__list li strong {
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.contact__list li strong .zh { display: block; }
.contact__list li strong .en { display: block; color: var(--mute); font-style: italic; margin-top: 6px; font-size: 0.7em; font-family: var(--font-en); }

.contact__meta {
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--mute);
  letter-spacing: 0.08em;
}

/* =========================================================
   FOOTER (无备案号)
   ========================================================= */
.foot {
  background: var(--bg);
  padding: 32px var(--gutter);
  border-top: 1px solid var(--line);
}
.foot__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  align-items: center;
}
@media (min-width: 760px) {
  .foot__inner { grid-template-columns: auto 1fr; }
}
.foot__mark {
  display: flex;
  flex-direction: column;
  gap: 4px;
  line-height: 1.1;
}
.foot__mark-zh {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--ink);
}
.foot__mark-en {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.3em;
  color: var(--gold);
}
.foot__legal {
  font-family: var(--font-en);
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.08em;
  text-align: left;
}
@media (min-width: 760px) {
  .foot__legal { text-align: right; }
}
.foot__legal a {
  color: var(--ink-2);
  border-bottom: 1px solid var(--line);
  transition: color var(--t-fast), border-color var(--t-fast);
}
.foot__legal a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* =========================================================
   SCROLL REVEAL
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}
.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   WORKS GALLERY (122501 logo-design + 后续作品)
   ========================================================= */
.works__gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(16px, 2vw, 24px);
  margin-top: clamp(32px, 4vh, 56px);
}
/* 第一张卡（已上线作品）跨整行 — 主视觉 */
.works__card--live {
  grid-column: 1 / -1;
}
@media (min-width: 900px) {
  /* 桌面：第 1 张占 2/3 宽，第 2-3 张占 1/3 各 */
  .works__gallery { grid-template-columns: repeat(3, 1fr); }
  .works__card--live { grid-column: 1 / 3; grid-row: 1; }
  .works__card--soon:nth-child(2) { grid-column: 3; grid-row: 1; }
  .works__card--soon:nth-child(3) { grid-column: 3; grid-row: 2; }
}
@media (max-width: 640px) {
  .works__gallery { grid-template-columns: 1fr; }
  .works__card--live { grid-column: 1; }
}

.works__card {
  position: relative;
  display: block;
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--ink);
  text-decoration: none;
  transition: border-color var(--t-fast), transform var(--t-med);
  overflow: hidden;
}
.works__card--live:hover {
  border-color: var(--line-2);
  transform: translateY(-2px);
}
.works__card--live:focus-visible {
  outline: none;
  border-color: var(--gold);
}
.works__card--soon {
  /* 占位卡：略虚化 */
  opacity: 0.55;
  border-style: dashed;
}
.works__card--soon:hover { opacity: 0.75; }

.works__card-media {
  aspect-ratio: 16 / 9;
  background: var(--bg-3);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.works__card-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--t-med);
}
.works__card--live:hover .works__card-media img {
  transform: scale(1.03);
}

.works__card-body {
  padding: clamp(20px, 2.4vw, 28px);
  display: flex; flex-direction: column; gap: 12px;
}

.works__card-kicker {
  margin: 0;
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
  font-family: var(--font-en); font-size: 10px;
  letter-spacing: 0.25em; color: var(--mute);
  text-transform: uppercase;
}
.works__card-kicker .zh { color: var(--ink-2); font-family: var(--font-zh); letter-spacing: 0.05em; text-transform: none; }

.works__card-title {
  margin: 0;
  font-family: var(--font-zh); font-weight: 500;
  font-size: clamp(20px, 2.4vw, 28px);
  color: var(--ink);
  display: flex; gap: 12px; align-items: baseline; flex-wrap: wrap;
}
.works__card-title .en {
  font-family: var(--font-en); font-weight: 600;
  font-size: clamp(13px, 1.4vw, 16px);
  color: var(--mute);
  letter-spacing: 0.05em;
}

.works__card-meta {
  margin: 0;
  font-size: 13px;
  color: var(--ink-2);
  display: flex; gap: 8px; flex-wrap: wrap;
}
.works__card-meta .en {
  font-family: var(--font-en); color: var(--mute); font-size: 12px;
}

.works__card-cta {
  margin: 8px 0 0;
  font-family: var(--font-en); font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
  display: flex; gap: 6px; align-items: center;
  transition: gap var(--t-fast);
}
.works__card-cta .zh {
  font-family: var(--font-zh); letter-spacing: 0.05em;
}
.works__card--live:hover .works__card-cta {
  gap: 10px;
}

.works__card-badge {
  position: absolute;
  top: 16px; right: 16px;
  font-family: var(--font-en); font-size: 9px;
  letter-spacing: 0.3em;
  padding: 4px 10px;
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: 999px;
  display: flex; gap: 6px; align-items: center;
}
.works__card-badge .zh {
  font-family: var(--font-zh); letter-spacing: 0.05em;
}
.works__card-top {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  margin: 0.4em 0 0;
  padding: 0.35em 0.9em;
  font-size: 0.7em;
  letter-spacing: 0.18em;
  border: 1px solid rgba(201, 168, 108, 0.55);
  border-radius: 100px;
  background: rgba(201, 168, 108, 0.08);
  color: var(--fg-1);
  align-self: flex-start;
}
.works__card-top[hidden] { display: none; }
.works__card-top-label {
  color: var(--fg-2);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.9em;
}
.works__card-top-count {
  color: var(--accent);
  font-weight: 600;
  font-size: 1em;
  letter-spacing: 0.05em;
}

.works__card-badge--live {
  color: var(--gold-hi);
  border-color: var(--line-2);
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .hero__cta-line { animation: none; }
  .hero__bg img { animation: none; }
}