/* ============================================================
   LLAMOUR · 澜沫婚礼 — Design System
   新中式水墨 × 西方编辑风
   ============================================================ */

:root {
  /* —— 色彩 —— */
  --ink:        #1a1a1a;          /* 墨黑 · 主导 */
  --ink-soft:   #2c2a28;
  --paper:      #f5f1ea;          /* 米白纸张 */
  --paper-warm: #ede7dc;
  --ash:        #8a8580;          /* 淡墨灰 */
  --ash-light:  #b8b3ac;
  --line:       #d9d3c8;          /* 分隔线 */
  --vermilion:  #a8352e;          /* 朱砂红 · 点睛 */
  --vermilion-d:#7c2520;
  --jade:       #4a5d4f;          /* 极少量 · 远山 */

  /* —— 字体 —— */
  --f-display: 'Cormorant Garamond', 'Playfair Display', 'Noto Serif SC', serif;
  --f-cn:      'Noto Serif SC', 'Cormorant Garamond', serif;
  --f-en:      'Cormorant Garamond', 'Playfair Display', serif;
  --f-body:    'Manrope', 'Noto Serif SC', sans-serif;

  /* —— 节奏 —— */
  --pad-x:     clamp(24px, 6vw, 96px);
  --pad-y:     clamp(80px, 12vh, 180px);
  --max-w:     1440px;
  --ease:      cubic-bezier(.2, .7, .2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--f-body);
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* —— 全局噪点 —— */
.grain {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.06;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* —— 文字工具 —— */
em { font-family: var(--f-display); font-style: italic; font-weight: 400; }
.thin { font-weight: 200; opacity: 0.7; }
.em  { color: var(--vermilion); font-weight: 500; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 22px var(--pad-x);
  display: flex; justify-content: center;
  transition: all .4s var(--ease);
  background: rgba(245,241,234,0);
  backdrop-filter: blur(0px);
}
.nav.scrolled {
  background: rgba(245,241,234,0.85);
  backdrop-filter: blur(12px);
  padding: 14px var(--pad-x);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  width: 100%; max-width: var(--max-w);
  display: flex; justify-content: space-between; align-items: center;
}
.brand {
  text-decoration: none; color: var(--ink);
  display: flex; align-items: baseline; gap: 10px;
}
.brand-cn { font-family: var(--f-cn); font-size: 22px; font-weight: 500; letter-spacing: 0.1em; }
.brand-en {
  font-family: var(--f-display);
  font-size: 11px; letter-spacing: 0.4em;
  color: var(--ash); font-weight: 500;
}
.nav-links {
  display: flex; align-items: center; gap: 36px;
}
.nav-links a {
  text-decoration: none; color: var(--ink);
  font-size: 13px; letter-spacing: 0.15em;
  font-weight: 400; position: relative;
  transition: color .3s var(--ease);
}
.nav-links a:not(.nav-cta)::after {
  content: ''; position: absolute; left: 0; bottom: -6px;
  width: 0; height: 1px; background: var(--ink);
  transition: width .4s var(--ease);
}
.nav-links a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta {
  font-family: var(--f-cn) !important;
  background: var(--ink); color: var(--paper) !important;
  padding: 10px 22px; border-radius: 0;
  letter-spacing: 0.2em !important;
  transition: all .3s var(--ease) !important;
}
.nav-cta:hover { background: var(--vermilion); }

/* ============================================================
   SECTION HEAD
   ============================================================ */
.section-head {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-bottom: 28px;
  margin-bottom: 80px;
  border-bottom: 1px solid var(--line);
}
.section-head.light { border-bottom-color: rgba(245,241,234,0.15); }
.sec-no {
  font-family: var(--f-display);
  font-size: 13px; letter-spacing: 0.3em;
  color: var(--ash); font-weight: 500;
}
.sec-no em { font-style: italic; margin-right: 4px; color: var(--ink); }
.section-head.light .sec-no em { color: var(--paper); }
.sec-cn {
  font-family: var(--f-cn);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 300; letter-spacing: 0.15em;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  padding: 160px var(--pad-x) 80px;
  position: relative;
  display: flex; flex-direction: column;
  overflow: hidden;
}

.hero-meta {
  display: flex; align-items: center; gap: 16px;
  font-family: var(--f-display);
  font-size: 12px; letter-spacing: 0.4em;
  color: var(--ash); font-weight: 500;
  margin-bottom: 60px;
  opacity: 0; animation: fadeIn 1s var(--ease) 0.2s forwards;
}
.dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--vermilion);
  animation: pulse 2s var(--ease) infinite;
}
.meta-sep { color: var(--ash-light); }

.hero-title {
  font-family: var(--f-cn);
  font-size: clamp(56px, 11vw, 180px);
  font-weight: 200;
  line-height: 1.05;
  letter-spacing: 0.02em;
  margin-top: 40px;
  position: relative;
  z-index: 2;
}
.t-line {
  display: block;
  overflow: hidden;
}
.t-line-1, .t-line-2 {
  opacity: 0;
  animation: rise 1.2s var(--ease) forwards;
}
.t-line-1 { animation-delay: 0.3s; }
.t-line-2 { animation-delay: 0.55s; }
.t-line .ink {
  font-family: var(--f-cn);
  font-weight: 500;
  position: relative;
  display: inline-block;
}
/* .t-line-2 .ink::before {
  content: '';
  position: absolute; left: -8%; right: -4%; top: 50%;
  height: 2px; background: var(--vermilion);
  transform: scaleX(0); transform-origin: left;
  animation: dash 1s var(--ease) 1.4s forwards;
} */
.t-line em {
  font-family: var(--f-display);
  font-weight: 300;
  font-size: 0.55em;
  vertical-align: middle;
  color: var(--ash);
  margin: 0 0.3em;
  font-style: italic;
}

.hero-sub {
  margin-top: 50px;
  max-width: 520px;
  font-family: var(--f-cn);
  font-size: clamp(15px, 1.3vw, 18px);
  font-weight: 300;
  line-height: 2;
  color: var(--ink-soft);
  opacity: 0;
  animation: fadeIn 1.2s var(--ease) 1.1s forwards;
}

.hero-side {
  position: absolute; top: 180px; right: var(--pad-x);
  display: flex; flex-direction: column; align-items: flex-end;
  gap: 20px;
  opacity: 0;
  animation: fadeIn 1s var(--ease) 1.5s forwards;
}
.side-num {
  font-family: var(--f-display);
  font-size: 80px; line-height: 1;
  font-weight: 300; color: var(--ink);
}
.side-num em { font-size: 14px; vertical-align: super; color: var(--ash); margin-right: 6px; }
.side-line { width: 1px; height: 100px; background: var(--ink); }
.side-cap {
  font-family: var(--f-display);
  font-size: 11px; letter-spacing: 0.4em;
  color: var(--ash); text-align: right; line-height: 1.6;
}

.hero-foot {
  margin-top: auto;
  padding-top: 50px;
  display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: end;
  gap: 40px;
  border-top: 1px solid var(--line);
  position: relative; z-index: 2;
}
.foot-col { font-family: var(--f-display); }
.foot-col.center { text-align: center; }
.foot-col.right { text-align: right; }
.foot-k {
  font-size: 10px; letter-spacing: 0.4em;
  color: var(--ash); margin-bottom: 8px;
}
.foot-v {
  font-family: var(--f-cn);
  font-size: 16px; letter-spacing: 0.1em; font-weight: 400;
}
.scroll-line {
  display: inline-block;
  width: 1px; height: 60px;
  background: var(--line);
  position: relative;
  overflow: hidden;
}
.scroll-line span {
  position: absolute; top: -20px; left: 0;
  width: 1px; height: 20px; background: var(--ink);
  animation: scrollDown 2s var(--ease) infinite;
}

/* —— 水墨动效 —— */
.ink-stage {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.85;
}
.ink-svg {
  width: 100%; height: 100%;
}
.blob {
  fill: var(--ink);
  opacity: 0.85;
  animation: drift 16s var(--ease) infinite alternate;
}
.b1 { animation-duration: 18s; }
.b2 { animation-duration: 14s; animation-delay: -2s; }
.b3 { animation-duration: 22s; animation-delay: -5s; }
.b4 { animation-duration: 12s; animation-delay: -8s; }
.b5 { animation-duration: 20s; animation-delay: -3s; }
.b6 { animation-duration: 15s; animation-delay: -10s; }

@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(80px, -40px) scale(1.15); }
  100% { transform: translate(-60px, 50px) scale(0.95); }
}

/* ============================================================
   MANIFESTO
   ============================================================ */
.manifesto {
  padding: var(--pad-y) var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
}

.m-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 80px;
  align-items: start;
  margin-bottom: 100px;
}

.m-block {
  text-align: center;
}
.m-char {
  font-family: var(--f-cn);
  font-size: clamp(140px, 18vw, 260px);
  font-weight: 200;
  line-height: 1;
  color: var(--ink);
  margin-bottom: 10px;
}
.m-pinyin {
  font-family: var(--f-display);
  font-size: 13px; letter-spacing: 0.5em;
  color: var(--ash); margin-bottom: 40px;
}
.m-text {
  font-family: var(--f-cn);
  font-size: clamp(20px, 1.8vw, 26px);
  font-weight: 300;
  line-height: 1.9;
  letter-spacing: 0.08em;
}
.m-tag {
  margin-top: 40px;
  font-family: var(--f-display);
  font-size: 11px; letter-spacing: 0.4em;
  color: var(--ash);
}

.m-sep {
  display: flex; flex-direction: column;
  align-items: center;
  padding-top: 100px;
  gap: 0;
}
.m-line {
  width: 1px; height: 80px; background: var(--line);
}
.m-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--vermilion);
}

.m-quote {
  text-align: center;
  font-family: var(--f-cn);
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 300;
  line-height: 1.7;
  letter-spacing: 0.1em;
  color: var(--ink);
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  padding: 0 60px;
}
.q-mark {
  font-family: var(--f-display);
  color: var(--vermilion);
  font-size: 1.4em;
  font-style: italic;
}
.q-mark.close { margin-left: 8px; }

/* ============================================================
   PHILOSOPHY
   ============================================================ */
.philosophy {
  background: var(--ink);
  color: var(--paper);
  padding: var(--pad-y) var(--pad-x);
  position: relative;
}
.philosophy .section-head .sec-cn { color: var(--paper); }
.philosophy .section-head .sec-no { color: rgba(245,241,234,0.5); }

.philosophy::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(168,53,46,0.06) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(74,93,79,0.08) 0%, transparent 50%);
  pointer-events: none;
}
.philosophy > * { position: relative; }

.philosophy .sec-no em { color: var(--paper); }

.ph-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(245,241,234,0.1);
  max-width: var(--max-w);
  margin: 0 auto;
}
.ph-item {
  background: var(--ink);
  padding: 50px 36px 60px;
  transition: background .4s var(--ease);
}
.ph-item:hover {
  background: var(--ink-soft);
}
.ph-num {
  font-family: var(--f-display);
  font-size: 14px; color: var(--ash);
  margin-bottom: 30px;
  letter-spacing: 0.2em;
}
.ph-num em { font-style: italic; margin-right: 4px; color: var(--vermilion); }
.ph-title {
  font-family: var(--f-cn);
  font-size: 24px; font-weight: 400;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(245,241,234,0.15);
}
.ph-text {
  font-family: var(--f-cn);
  font-size: 14px; font-weight: 300;
  line-height: 1.9;
  color: rgba(245,241,234,0.75);
}
.ph-text .em { color: var(--vermilion); font-weight: 400; }

/* ============================================================
   WORKS
   ============================================================ */
.works {
  padding: var(--pad-y) var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
}

.works-intro {
  font-family: var(--f-cn);
  font-size: clamp(18px, 1.6vw, 22px);
  font-weight: 300;
  line-height: 2;
  color: var(--ink-soft);
  margin-bottom: 100px;
  max-width: 600px;
}

.works-band {
  margin-bottom: 120px;
}
.works-band:last-child { margin-bottom: 0; }

.band-head {
  display: flex; align-items: baseline;
  gap: 32px;
  margin-bottom: 50px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.band-name {
  font-family: var(--f-cn);
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 200;
  line-height: 1;
}
.band-name em {
  font-family: var(--f-display);
  font-size: 0.3em;
  color: var(--ash);
  letter-spacing: 0.3em;
  font-style: italic;
  margin-left: 14px;
}
.band-sub {
  font-family: var(--f-cn);
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--ash);
  font-weight: 300;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.card {
  position: relative;
  cursor: pointer;
  transition: transform .6s var(--ease);
  text-decoration: none;
  color: inherit;
  display: block;
}
.card:hover { transform: translateY(-8px); }
.card-arrow {
  position: absolute;
  top: 24px; right: 24px;
  font-family: var(--f-cn);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--paper);
  background: rgba(26,26,26,0.7);
  padding: 8px 14px;
  opacity: 0;
  transform: translateX(8px);
  transition: opacity .4s var(--ease), transform .4s var(--ease);
  z-index: 3;
}
.card:hover .card-arrow {
  opacity: 1;
  transform: translateX(0);
}

.card-img {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: var(--paper-warm) var(--img) center/cover no-repeat;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
}
.card-img::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 60%, rgba(26,26,26,0.4));
  opacity: 0;
  transition: opacity .5s var(--ease);
}
.card:hover .card-img::after { opacity: 1; }

.card-meta {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: baseline;
  padding-top: 8px;
}
.card-no {
  font-family: var(--f-display);
  font-size: 12px; letter-spacing: 0.3em;
  color: var(--ash);
}
.card-info h4 {
  font-family: var(--f-cn);
  font-size: 20px; font-weight: 400;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.card-info h4 em {
  color: var(--vermilion);
  font-style: italic;
  margin: 0 0.2em;
  font-size: 0.9em;
}
.card-info p {
  font-family: var(--f-cn);
  font-size: 13px; font-weight: 300;
  color: var(--ash);
  letter-spacing: 0.05em;
}
.card-date {
  font-family: var(--f-display);
  font-size: 12px; letter-spacing: 0.2em;
  color: var(--ash);
  font-style: italic;
}

/* ============================================================
   PROCESS
   ============================================================ */
.process {
  background: var(--ink);
  color: var(--paper);
  padding: var(--pad-y) var(--pad-x);
  position: relative;
}
.process .sec-cn { color: var(--paper); }
.process .sec-no { color: rgba(245,241,234,0.5); }
.process .sec-no em { color: var(--paper); }

.process::before {
  content: '';
  position: absolute; top: 0; left: 50%;
  width: 1px; height: 80px;
  background: linear-gradient(to bottom, transparent, var(--vermilion));
}

.timeline {
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
}
.timeline::before {
  content: '';
  position: absolute; left: 50%; top: 0; bottom: 0;
  width: 1px; background: rgba(245,241,234,0.12);
  transform: translateX(-50%);
}

.t-item {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  gap: 40px;
  margin-bottom: 80px;
  position: relative;
  align-items: start;
}
.t-item:nth-child(odd) .t-content { grid-column: 1; text-align: right; }
.t-item:nth-child(odd) .t-mark    { grid-column: 2; }
.t-item:nth-child(odd) .t-content + .t-content { grid-column: 3; }
.t-item:nth-child(even) .t-content { grid-column: 3; text-align: left; }
.t-item:nth-child(even) .t-mark    { grid-column: 2; }

.t-item .t-content:first-child { grid-column: 1; }

.t-item:nth-child(odd) {
  grid-template-columns: 1fr 80px;
}
.t-item:nth-child(odd) .t-content { grid-column: 1; }
.t-item:nth-child(odd) .t-mark { grid-column: 2; }

.t-item:nth-child(even) {
  grid-template-columns: 80px 1fr;
}
.t-item:nth-child(even) .t-mark { grid-column: 1; }
.t-item:nth-child(even) .t-content { grid-column: 2; }

.t-mark {
  width: 56px; height: 56px;
  border: 1px solid var(--vermilion);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--f-display);
  font-size: 18px; font-weight: 400;
  color: var(--vermilion);
  background: var(--ink);
  position: relative; z-index: 2;
  align-self: center;
  justify-self: center;
}

.t-when {
  font-family: var(--f-display);
  font-size: 12px; letter-spacing: 0.3em;
  color: var(--vermilion);
  margin-bottom: 12px;
}
.t-content h3 {
  font-family: var(--f-cn);
  font-size: clamp(24px, 2.5vw, 32px);
  font-weight: 400;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}
.t-content p {
  font-family: var(--f-cn);
  font-size: 15px; font-weight: 300;
  line-height: 1.9;
  color: rgba(245,241,234,0.7);
  max-width: 360px;
}
.t-item:nth-child(odd) .t-content p { margin-left: auto; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  padding: var(--pad-y) var(--pad-x);
  max-width: var(--max-w);
  margin: 0 auto;
}

.ct-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 100px;
  align-items: start;
}

.ct-title {
  font-family: var(--f-cn);
  font-size: clamp(60px, 9vw, 140px);
  font-weight: 200;
  line-height: 1.05;
  letter-spacing: 0.05em;
  margin-bottom: 40px;
}
.ct-title em {
  font-family: var(--f-display);
  color: var(--vermilion);
  font-size: 1em;
  font-style: italic;
  font-weight: 400;
}

.ct-sub {
  font-family: var(--f-cn);
  font-size: 16px;
  font-weight: 300;
  line-height: 2;
  color: var(--ink-soft);
  margin-bottom: 60px;
  max-width: 460px;
}

.ct-mail {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 26px 30px;
  border: 1px solid var(--ink);
  text-decoration: none;
  color: var(--ink);
  margin-bottom: 60px;
  transition: all .4s var(--ease);
  position: relative;
  overflow: hidden;
}
.ct-mail::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--ink);
  transform: translateX(-101%);
  transition: transform .5s var(--ease);
  z-index: 0;
}
.ct-mail:hover::before { transform: translateX(0); }
.ct-mail:hover { color: var(--paper); }
.ct-mail > * { position: relative; z-index: 1; }
.ct-mail-k {
  font-family: var(--f-display);
  font-size: 11px; letter-spacing: 0.4em;
  color: var(--ash);
}
.ct-mail:hover .ct-mail-k { color: rgba(245,241,234,0.6); }
.ct-mail-v {
  font-family: var(--f-cn);
  font-size: clamp(18px, 1.8vw, 24px);
  font-weight: 400;
  letter-spacing: 0.05em;
}
.ct-mail-arrow {
  font-family: var(--f-display);
  font-size: 24px;
  transition: transform .3s var(--ease);
}
.ct-mail:hover .ct-mail-arrow { transform: translate(6px, -6px); }

.ct-rows {
  display: flex; flex-direction: column;
  gap: 18px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.ct-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 20px;
  font-family: var(--f-cn);
  font-size: 14px;
}
.ct-k {
  letter-spacing: 0.2em;
  color: var(--ash);
  font-weight: 300;
}
.ct-v { color: var(--ink); font-weight: 400; }

/* —— 二维码展示 —— */
.ct-qrcodes {
  background: var(--ink);
  color: var(--paper);
  padding: 60px 44px;
  display: flex;
  flex-direction: column;
  gap: 36px;
  align-items: center;
}
.qr-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  width: 100%;
  max-width: 280px;
}
.qr-img {
  width: 180px;
  height: 180px;
  background: var(--paper) var(--qr) center/contain no-repeat;
  border: 1px solid rgba(245,241,234,0.15);
  position: relative;
}
.qr-img::after {
  content: '';
  position: absolute; inset: 0;
  border: 8px solid var(--paper);
  pointer-events: none;
}
.qr-label {
  text-align: center;
}
.qr-name {
  display: block;
  font-family: var(--f-display);
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--paper);
  margin-bottom: 6px;
}
.qr-desc {
  display: block;
  font-family: var(--f-cn);
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: rgba(245,241,234,0.55);
}
.qr-footnote {
  font-family: var(--f-cn);
  font-size: 13px;
  font-weight: 300;
  color: rgba(245,241,234,0.55);
  text-align: center;
  line-height: 1.8;
  margin-top: 4px;
}
.qr-footnote a {
  color: var(--vermilion);
  text-decoration: none;
  font-weight: 400;
}
.qr-footnote a:hover {
  text-decoration: underline;
}

/* ============================================================
   FOOTER
   ============================================================ */
.foot {
  background: var(--ink);
  color: var(--paper);
  padding: 60px var(--pad-x) 30px;
  border-top: 1px solid rgba(245,241,234,0.08);
}
.foot-top {
  display: flex; justify-content: space-between;
  align-items: baseline;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(245,241,234,0.08);
  margin-bottom: 24px;
}
.foot-brand {
  display: flex; align-items: baseline;
  gap: 20px;
}
.foot-brand .big {
  font-family: var(--f-cn);
  font-size: 56px;
  font-weight: 200;
  letter-spacing: 0.1em;
}
.foot-brand .small {
  font-family: var(--f-display);
  font-size: 11px;
  letter-spacing: 0.4em;
  color: rgba(245,241,234,0.5);
}
.foot-links {
  display: flex; gap: 32px;
}
.foot-links a {
  color: rgba(245,241,234,0.6);
  text-decoration: none;
  font-family: var(--f-cn);
  font-size: 13px;
  letter-spacing: 0.2em;
  transition: color .3s var(--ease);
}
.foot-links a:hover { color: var(--vermilion); }

.foot-bot {
  display: flex; justify-content: space-between;
  font-family: var(--f-display);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: rgba(245,241,234,0.4);
}

/* ============================================================
   ANIMATIONS · 滚动揭示
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes rise {
  from { opacity: 0; transform: translateY(100%); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes dash {
  to { transform: scaleX(1); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.4; }
}
@keyframes scrollDown {
  0%   { transform: translateY(0);     opacity: 1; }
  100% { transform: translateY(80px);  opacity: 0; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .nav-links a:not(.nav-cta) { display: none; }

  .hero-side { display: none; }
  .hero-foot { grid-template-columns: 1fr 1fr; gap: 20px; }
  .hero-foot .foot-col.center { display: none; }

  .m-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .m-sep { padding-top: 0; flex-direction: row; }
  .m-line { width: 80px; height: 1px; }

  .ph-grid { grid-template-columns: repeat(2, 1fr); }

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

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

  .timeline::before { left: 28px; }
  .t-item,
  .t-item:nth-child(odd),
  .t-item:nth-child(even) {
    grid-template-columns: 56px 1fr;
    gap: 20px;
  }
  .t-item:nth-child(odd) .t-content,
  .t-item:nth-child(even) .t-content {
    grid-column: 2;
    text-align: left;
  }
  .t-item:nth-child(odd) .t-mark,
  .t-item:nth-child(even) .t-mark {
    grid-column: 1;
    justify-self: center;
  }
  .t-item:nth-child(odd) .t-content p { margin-left: 0; }

  .foot-top { flex-direction: column; gap: 30px; align-items: flex-start; }
  .foot-links { flex-wrap: wrap; gap: 20px; }
  .foot-bot { flex-direction: column; gap: 10px; }
}

@media (max-width: 560px) {
  .ph-grid { grid-template-columns: 1fr; }
  .ct-qrcodes { padding: 40px 24px; }
  .ct-row { grid-template-columns: 1fr; gap: 4px; }
  .foot-brand .big { font-size: 40px; }
  .foot-brand { flex-direction: column; align-items: flex-start; gap: 8px; }
}