/* 汇推联盟 — 克制精致 / Quiet Luxury
   布局节奏统一、动效克制丝滑；粒子跟手逻辑在 main.js */

:root {
  --bg: #0a0e14;
  --bg-soft: #10161f;
  --bg-panel: #141b26;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(212, 184, 140, 0.35);
  --gold: #c8ae82;
  --gold-soft: #dbcaaa;
  --text: #ece7df;
  --muted: rgba(236, 231, 223, 0.55);
  --font-display: "Cormorant Garamond", "Noto Serif SC", "Songti SC", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 1120px;
  --pad-x: clamp(20px, 4vw, 36px);
  --section-y: clamp(88px, 12vw, 128px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 300;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* —— Header —— */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  background: rgba(10, 14, 20, 0.55);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent;
  transition:
    border-color 0.45s var(--ease),
    background 0.45s var(--ease),
    height 0.35s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(10, 14, 20, 0.9);
  border-bottom-color: var(--line);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  line-height: 1;
  transition: opacity 0.3s;
}

.logo:hover {
  opacity: 0.9;
  color: inherit;
}

.logo-mark {
  display: block;
  width: 28px;
  height: auto;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--text);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px 26px;
}

.site-nav a[data-nav] {
  position: relative;
  padding: 8px 0;
  font-size: 0.88rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  transition: color 0.3s;
}

.site-nav a[data-nav]::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.site-nav a[data-nav]:hover,
.site-nav a[data-nav].is-active {
  color: var(--text);
}

.site-nav a[data-nav].is-active::after,
.site-nav a[data-nav]:hover::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  padding: 12px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 1px;
  margin: 7px 0;
  background: var(--text);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 28px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition:
    background 0.35s var(--ease),
    border-color 0.35s,
    color 0.35s,
    transform 0.35s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-solid {
  background: var(--gold);
  color: #1a1610;
}

.btn-solid:hover {
  background: var(--gold-soft);
}

.btn-ghost,
.btn-nav {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.22);
  color: var(--text);
}

.btn-ghost:hover,
.btn-nav:hover {
  border-color: var(--gold);
  color: var(--gold-soft);
}

.btn-nav {
  min-height: 40px;
  padding: 0 16px;
  font-size: 0.84rem;
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 56px) var(--pad-x) 110px;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 60% 40%, #121821 0%, var(--bg) 70%);
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
}

.hero-orb--a {
  width: min(520px, 70vw);
  height: min(520px, 70vw);
  right: -8%;
  top: 12%;
  background: radial-gradient(circle, rgba(200, 174, 130, 0.28) 0%, transparent 68%);
  animation: orbDrift 18s ease-in-out infinite;
}

.hero-orb--b {
  width: min(380px, 55vw);
  height: min(380px, 55vw);
  left: -6%;
  bottom: 8%;
  background: radial-gradient(circle, rgba(180, 200, 220, 0.12) 0%, transparent 70%);
  animation: orbDrift 22s ease-in-out infinite reverse;
}

.hero-sheen {
  position: absolute;
  inset: -20%;
  background: linear-gradient(
    115deg,
    transparent 42%,
    rgba(200, 174, 130, 0.04) 49%,
    rgba(236, 231, 223, 0.03) 51%,
    transparent 58%
  );
  animation: sheenDrift 14s ease-in-out infinite;
}

@keyframes orbDrift {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(-18px, 22px) scale(1.06);
  }
}

@keyframes sheenDrift {
  0%,
  100% {
    transform: translateX(-4%);
    opacity: 0.55;
  }
  50% {
    transform: translateX(5%);
    opacity: 1;
  }
}

.hero-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse 55% 45% at 72% 28%, rgba(200, 174, 130, 0.08), transparent 58%),
    linear-gradient(180deg, rgba(10, 14, 20, 0.05), rgba(10, 14, 20, 0.55) 72%, var(--bg));
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
}

/* 首屏：纯文字强调品牌，不用图标 */
.hero-copy {
  max-width: 40rem;
}

.hero-kicker {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.16em;
  color: var(--gold);
  opacity: 0;
  animation: fadeUp 1s var(--ease) 0.1s forwards;
}

.hero-name {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.2rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: 0.14em;
  color: var(--text);
  opacity: 0;
  animation: fadeUp 1.15s var(--ease) 0.22s forwards;
}

.hero-title {
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.08em;
  color: rgba(236, 231, 223, 0.9);
  opacity: 0;
  animation: fadeUp 1s var(--ease) 0.38s forwards;
}

.hero-desc {
  margin: 0 0 36px;
  max-width: 28em;
  font-size: 0.98rem;
  font-weight: 300;
  line-height: 1.9;
  letter-spacing: 0.03em;
  color: var(--muted);
  opacity: 0;
  animation: fadeUp 1s var(--ease) 0.52s forwards;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  opacity: 0;
  animation: fadeUp 1s var(--ease) 0.66s forwards;
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 28px;
  z-index: 3;
  width: 22px;
  height: 36px;
  margin-left: -11px;
  border: 1px solid rgba(200, 174, 130, 0.35);
  border-radius: 12px;
  opacity: 0;
  animation: fadeUp 1s var(--ease) 1.1s forwards;
}

.scroll-cue span {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 3px;
  height: 3px;
  margin-left: -1.5px;
  border-radius: 50%;
  background: var(--gold);
  animation: cueDrop 1.8s var(--ease) infinite;
}

@keyframes cueDrop {
  0% {
    opacity: 0;
    transform: translateY(0);
  }
  30% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(14px);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* —— Sections —— */
.section {
  padding: var(--section-y) 0;
  position: relative;
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.section-head {
  margin-bottom: 12px;
  max-width: 36rem;
}

.tech-label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.section-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.2vw, 2.85rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.28;
  text-wrap: balance;
}

.section-lead {
  margin: 0 0 40px;
  max-width: 28em;
  font-size: 0.98rem;
  line-height: 1.9;
  letter-spacing: 0.03em;
  color: var(--muted);
}

.personal-intro .section-lead {
  margin-bottom: 28px;
  max-width: 22em;
}

.personal-intro .section-title {
  max-width: 8em;
}

/* 分区显现 + 子项错落入场 */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition:
    opacity 0.95s var(--ease),
    transform 0.95s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-child {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s var(--ease),
    transform 0.7s var(--ease),
    border-color 0.35s,
    background 0.35s,
    color 0.35s;
  transition-delay: 0s;
}

.reveal.is-visible .reveal-child {
  opacity: 1;
  transform: none;
  transition-delay: calc(var(--i, 0) * 0.1s + 0.12s);
}

/* —— Platforms：分类说明 + 慢速跑马灯 —— */
.platforms {
  background:
    radial-gradient(ellipse 55% 45% at 0% 100%, rgba(0, 114, 210, 0.07), transparent 55%),
    var(--bg);
}

.section-head--plat {
  max-width: 40rem;
  margin-bottom: 40px;
}

.section-head--plat .section-lead {
  margin-bottom: 0;
}

.plat-cats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-bottom: 48px;
  border-top: 1px solid var(--line);
}

.plat-cat {
  padding: 32px 28px 36px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 0.35s var(--ease), padding-left 0.35s var(--ease);
}

.plat-cat:last-child {
  border-right: 0;
}

.plat-cat:hover {
  background: rgba(200, 174, 130, 0.04);
  padding-left: 36px;
}

.plat-cat-label {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.plat-cat-names {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: 0.08em;
  color: var(--text);
}

.plat-cat-desc {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.platform-marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.platform-track {
  display: flex;
  width: max-content;
  animation: platformScroll 70s linear infinite;
}

.platform-marquee:hover .platform-track {
  animation-play-state: paused;
}

.platform-list {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}

.platform-list li {
  flex-shrink: 0;
  padding: 28px 44px;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0.16em;
  white-space: nowrap;
  color: rgba(236, 231, 223, 0.55);
  border-right: 1px solid var(--line);
  transition: color 0.35s;
}

.platform-list li:nth-child(odd) {
  color: rgba(236, 231, 223, 0.88);
}

.platform-list li:hover {
  color: var(--gold-soft);
}

.plat-footnote {
  max-width: var(--max);
  margin: 20px auto 0;
  padding: 0 var(--pad-x);
  font-size: 0.78rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: rgba(236, 231, 223, 0.35);
}

@keyframes platformScroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .platform-track {
    animation: none;
    flex-wrap: wrap;
    width: 100%;
    justify-content: center;
  }

  .platform-list[aria-hidden="true"] {
    display: none;
  }

  .platform-list {
    flex-wrap: wrap;
    justify-content: center;
  }

  .platform-list li {
    border-right: 0;
    padding: 18px 22px;
  }
}

/* —— Personal：左侧导语 + 右侧编辑式长条 —— */
.personal {
  background:
    radial-gradient(ellipse 45% 40% at 100% 20%, rgba(200, 174, 130, 0.06), transparent 55%),
    var(--bg-soft);
}

.personal-grid {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}

.personal-intro {
  position: sticky;
  top: calc(var(--header-h) + 28px);
}

.personal-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.personal-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 88px;
  gap: 20px;
  align-items: start;
  padding: 32px 4px;
  border-bottom: 1px solid var(--line);
  transition: background 0.35s var(--ease), padding-left 0.35s var(--ease);
}

.personal-row:hover {
  background: rgba(200, 174, 130, 0.04);
  padding-left: 12px;
}

.personal-no {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--gold);
  padding-top: 4px;
}

.personal-body h3 {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 1.8vw, 1.22rem);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.04em;
  color: var(--text);
}

.personal-body p {
  margin: 0;
  max-width: 34em;
  font-size: 0.92rem;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.personal-aside {
  margin: 0;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: rgba(200, 174, 130, 0.75);
  text-align: right;
  justify-self: end;
}

.flow-rail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 36px;
  border: 1px solid var(--line);
}

.flow-rail li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
  padding: 24px 22px;
  border-right: 1px solid var(--line);
}

.flow-rail li:last-child {
  border-right: 0;
}

.flow-rail em {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.flow-rail strong {
  font-size: 0.98rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text);
}

.flow-rail span {
  font-size: 0.82rem;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.personal-footnote {
  margin: 22px 0 0;
  font-size: 0.78rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: rgba(236, 231, 223, 0.35);
}

/* —— Stores —— */
.stores {
  padding-bottom: calc(var(--section-y) - 24px);
}

.store-list {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.store-item {
  border-top: 1px solid var(--line);
  transition: background 0.35s;
}

.store-item:last-child {
  border-bottom: 1px solid var(--line);
}

.store-item.is-open {
  background: rgba(255, 255, 255, 0.015);
}

.store-trigger {
  width: 100%;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto 28px;
  gap: 16px;
  align-items: center;
  min-height: 84px;
  padding: 0 6px;
  border: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  cursor: default;
  text-align: left;
}

@media (hover: hover) and (pointer: fine) {
  .store-item {
    cursor: default;
  }
}

@media (hover: none) {
  .store-trigger {
    cursor: pointer;
  }
}

.store-trigger:hover .store-name {
  color: var(--gold-soft);
}

.store-index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--gold);
  letter-spacing: 0.1em;
}

.store-name {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.4vw, 1.65rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0.06em;
  transition: color 0.3s;
}

.store-hint {
  font-size: 0.84rem;
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--muted);
  justify-self: end;
}

.store-arrow {
  width: 10px;
  height: 10px;
  border-right: 1px solid var(--muted);
  border-bottom: 1px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 0.4s var(--ease), border-color 0.3s;
  justify-self: end;
}

.store-item.is-open .store-name {
  color: var(--gold-soft);
}

.store-item.is-open .store-arrow {
  transform: rotate(225deg);
  border-color: var(--gold);
}

.store-panel {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition:
    max-height 0.6s var(--ease),
    opacity 0.45s var(--ease);
}

.store-item.is-open .store-panel {
  max-height: 420px;
  opacity: 1;
}

.store-panel[hidden] {
  display: grid;
}

.store-visual {
  position: relative;
  min-height: 280px;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 14px;
  overflow: hidden;
  transform: scale(1.02);
  transition: transform 0.7s var(--ease);
}

.store-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.55;
  pointer-events: none;
}

.store-visual::after {
  content: "";
  position: absolute;
  right: 24px;
  top: 24px;
  width: 72px;
  height: 72px;
  border: 1px solid rgba(200, 174, 130, 0.28);
  border-radius: 50%;
  pointer-events: none;
}

.store-item.is-open .store-visual {
  transform: scale(1);
}

.sv-tag,
.sv-title,
.sv-points {
  position: relative;
  z-index: 1;
}

.sv-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.sv-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  line-height: 1.2;
  color: var(--text);
}

.sv-points {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.sv-points li {
  position: relative;
  padding-left: 14px;
  font-size: 0.9rem;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: rgba(236, 231, 223, 0.7);
}

.sv-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 1px;
  background: var(--gold);
}

.store-visual--express {
  background:
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(0, 114, 210, 0.18), transparent 55%),
    linear-gradient(135deg, #1a2433, #0f1620 60%);
}

.store-visual--market {
  background:
    radial-gradient(ellipse 50% 45% at 20% 80%, rgba(253, 103, 6, 0.14), transparent 50%),
    linear-gradient(160deg, #1c2118, #121820);
}

.store-visual--food {
  background:
    radial-gradient(ellipse 55% 50% at 70% 70%, rgba(200, 174, 130, 0.12), transparent 55%),
    linear-gradient(120deg, #241c18, #121820);
}

.store-visual--phone {
  background:
    radial-gradient(ellipse 50% 50% at 30% 30%, rgba(0, 114, 210, 0.16), transparent 55%),
    linear-gradient(135deg, #182030, #0f1620);
}

.store-visual--sanyuan {
  background:
    radial-gradient(ellipse 55% 45% at 75% 25%, rgba(253, 103, 6, 0.12), transparent 50%),
    linear-gradient(200deg, #221c16, #121820);
}

.store-visual--other {
  background:
    radial-gradient(ellipse 50% 50% at 50% 50%, rgba(200, 174, 130, 0.1), transparent 60%),
    linear-gradient(120deg, #1a1f28, #0f1620);
}

.store-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px 36px;
  background: var(--bg-panel);
  border-left: 1px solid var(--line);
}

.store-value {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.45rem);
  font-weight: 500;
  letter-spacing: 0.03em;
  line-height: 1.45;
  text-wrap: balance;
}

.store-how {
  margin: 0;
  max-width: 24em;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.8;
  letter-spacing: 0.02em;
}

.section-cta-pad {
  padding-top: 44px;
}

/* —— Advantages —— */
/* —— Advantages：编辑式长条，更有说服力 —— */
.advantages {
  background:
    radial-gradient(ellipse 50% 40% at 100% 0%, rgba(0, 114, 210, 0.08), transparent 55%),
    var(--bg-soft);
}

.section-head--adv {
  max-width: 40rem;
  margin-bottom: 48px;
}

.section-head--adv .section-lead {
  margin-bottom: 0;
}

.adv-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.adv-row {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr) 120px;
  gap: 28px;
  align-items: start;
  padding: 40px 8px;
  border-bottom: 1px solid var(--line);
  transition: background 0.35s var(--ease), padding-left 0.35s var(--ease);
}

.adv-row:hover {
  background: rgba(200, 174, 130, 0.04);
  padding-left: 16px;
}

.adv-no {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--gold);
  padding-top: 4px;
}

.adv-body h3 {
  margin: 0 0 12px;
  font-family: var(--font-body);
  font-size: clamp(1.2rem, 2.2vw, 1.45rem);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--text);
}

.adv-body p {
  margin: 0;
  max-width: 40em;
  font-size: 0.96rem;
  line-height: 1.85;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.adv-aside {
  margin: 0;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: rgba(200, 174, 130, 0.75);
  text-align: right;
  justify-self: end;
}

.adv-footnote {
  margin: 28px 0 0;
  font-size: 0.78rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: rgba(236, 231, 223, 0.35);
}

/* —— Join：全宽路径 + 下方双入口 —— */
.join {
  background:
    radial-gradient(ellipse 50% 45% at 0% 100%, rgba(0, 114, 210, 0.06), transparent 55%),
    var(--bg);
}

.section-head--join {
  max-width: 40rem;
  margin-bottom: 40px;
}

.section-head--join .section-lead {
  margin-bottom: 0;
}

.join-paths {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
  margin-bottom: 8px;
}

.join-path {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 110px;
  gap: 20px 24px;
  align-items: start;
  padding: 36px 8px;
  border-bottom: 1px solid var(--line);
  transition: background 0.35s var(--ease), padding-left 0.35s var(--ease);
}

.join-path:hover {
  background: rgba(200, 174, 130, 0.04);
  padding-left: 16px;
}

.join-path-no {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--gold);
  padding-top: 4px;
}

.join-path-body h3 {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: clamp(1.1rem, 2vw, 1.28rem);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--text);
}

.join-path-body p {
  margin: 0;
  max-width: 40em;
  font-size: 0.94rem;
  line-height: 1.85;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.join-path-aside {
  margin: 0;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: rgba(200, 174, 130, 0.75);
  text-align: right;
  justify-self: end;
}

.join-stage {
  max-width: var(--max);
  margin: 48px auto 0;
  padding: 0 var(--pad-x);
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  border: 1px solid var(--line);
}

.join-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 40px 28px;
  background:
    radial-gradient(ellipse 70% 50% at 50% 40%, rgba(200, 174, 130, 0.07), transparent 65%),
    var(--bg-soft);
  text-align: center;
}

.join-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 14px;
  padding: clamp(40px, 6vw, 56px) clamp(28px, 4vw, 44px);
  border-left: 1px solid var(--line);
}

.join-stage-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.join-stage-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 1.9rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0.06em;
  color: var(--text);
}

.join-stage-desc {
  margin: 0 0 8px;
  max-width: 28em;
  font-size: 0.92rem;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.join-note {
  margin: 4px 0 0;
  max-width: 28em;
  font-size: 0.78rem;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: rgba(236, 231, 223, 0.35);
}

.join-qr-copy h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text);
}

.join-qr-copy p {
  margin: 0;
  max-width: 18em;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.7;
  letter-spacing: 0.02em;
}

.qr-frame {
  padding: 14px;
  border: 1px solid rgba(200, 174, 130, 0.28);
  background: rgba(10, 14, 20, 0.35);
}

.qr-image {
  display: block;
  width: 160px;
  height: 160px;
  object-fit: contain;
  background: #fff;
}

.qr-placeholder {
  width: 160px;
  height: 160px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  background: var(--bg);
}

/* —— About：编辑式说明 + 联系方式 —— */
.about {
  background:
    radial-gradient(ellipse 45% 40% at 100% 0%, rgba(200, 174, 130, 0.05), transparent 55%),
    var(--bg-soft);
}

.section-head--about {
  max-width: 40rem;
  margin-bottom: 40px;
}

.section-head--about .section-lead {
  margin-bottom: 0;
}

.about-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.about-row-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 110px;
  gap: 20px 24px;
  align-items: start;
  padding: 36px 8px;
  border-bottom: 1px solid var(--line);
  transition: background 0.35s var(--ease), padding-left 0.35s var(--ease);
}

.about-row-item:hover {
  background: rgba(200, 174, 130, 0.04);
  padding-left: 16px;
}

.about-no {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--gold);
  padding-top: 4px;
}

.about-body h3 {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: clamp(1.1rem, 2vw, 1.28rem);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--text);
}

.about-body p {
  margin: 0;
  max-width: 40em;
  font-size: 0.94rem;
  line-height: 1.85;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.about-aside {
  margin: 0;
  padding-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: rgba(200, 174, 130, 0.75);
  text-align: right;
  justify-self: end;
}

.about-contact {
  margin-top: 48px;
  border: 1px solid var(--line);
  background:
    radial-gradient(ellipse 60% 80% at 0% 0%, rgba(200, 174, 130, 0.06), transparent 55%),
    var(--bg);
}

.about-contact-head {
  padding: clamp(28px, 4vw, 36px) clamp(24px, 3.5vw, 36px) 8px;
  max-width: 36rem;
}

.about-contact-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.about-contact-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.4vw, 1.65rem);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0.08em;
  color: var(--text);
}

.about-contact-desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.contact-list {
  margin-top: 20px;
  border-top: 1px solid var(--line);
}

.contact-item {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  gap: 16px 20px;
  align-items: center;
  padding: 26px clamp(24px, 3.5vw, 36px);
  border-bottom: 1px solid var(--line);
  transition: background 0.35s var(--ease), padding-left 0.35s var(--ease);
}

.contact-item:last-child {
  border-bottom: 0;
}

.contact-item:hover {
  background: rgba(200, 174, 130, 0.04);
  padding-left: calc(clamp(24px, 3.5vw, 36px) + 8px);
}

.contact-no {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.contact-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.contact-name {
  font-size: 1.02rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text);
}

.contact-hint {
  font-size: 0.82rem;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.contact-value {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-align: right;
  color: var(--text);
  justify-self: end;
  word-break: break-all;
}

a.contact-value:hover {
  color: var(--gold-soft);
}

.placeholder {
  color: rgba(236, 231, 223, 0.38) !important;
}

/* —— Footer：品牌 + 导航 + 备案公示（网信办/工信部） —— */
.site-footer {
  padding: 56px var(--pad-x) 40px;
  text-align: center;
  background: #070a0f;
  border-top: 1px solid var(--line);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-brand-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
}

.footer-brand {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.18em;
}

.footer-sub {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px 12px;
  margin: 0 0 14px;
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.footer-nav a:hover {
  color: var(--gold-soft);
}

.footer-sep {
  color: rgba(236, 231, 223, 0.22);
  user-select: none;
}

.footer-note {
  margin: 0 0 28px;
  max-width: 36em;
  font-size: 0.76rem;
  line-height: 1.7;
  color: rgba(236, 231, 223, 0.3);
}

/* 备案公示区：页脚显著位置，便于核查 */
.footer-beian {
  width: 100%;
  max-width: 720px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 28px;
  padding: 20px 16px;
  margin-bottom: 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.beian-item {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  min-height: 36px;
  padding: 4px 2px;
  font-size: 0.82rem;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: rgba(236, 231, 223, 0.72);
  transition: color 0.3s;
}

.beian-item:hover {
  color: var(--gold-soft);
}

.beian-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: rgba(200, 174, 130, 0.85);
}

.beian-value {
  font-family: var(--font-body);
  font-size: 0.84rem;
  letter-spacing: 0.04em;
}

.beian-gongan-icon {
  display: block;
  width: 18px;
  height: 20px;
  object-fit: contain;
  flex-shrink: 0;
}

.footer-complaint {
  margin: 0 0 16px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px 12px;
  font-size: 0.82rem;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: rgba(236, 231, 223, 0.72);
}

.footer-complaint-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: rgba(200, 174, 130, 0.85);
}

.footer-complaint-mail {
  font-family: var(--font-body);
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  color: rgba(236, 231, 223, 0.78);
  transition: color 0.3s;
}

.footer-complaint-mail:hover {
  color: var(--gold-soft);
}

.footer-copy {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 6px 10px;
  font-size: 0.76rem;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: rgba(236, 231, 223, 0.38);
}

.footer-copy .placeholder {
  color: rgba(236, 231, 223, 0.32) !important;
}

/* —— Responsive —— */
@media (max-width: 900px) {
  .personal-intro {
    position: static;
  }

  .plat-cats {
    grid-template-columns: 1fr;
  }

  .plat-cat {
    border-right: 0;
  }

  .plat-cat:hover {
    padding-left: 28px;
  }

  .personal-grid,
  .store-panel,
  .join-stage,
  .flow-rail {
    grid-template-columns: 1fr;
  }

  .join-stage {
    margin-top: 40px;
  }

  .join-actions {
    padding: 40px 24px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .join-qr {
    min-height: 0;
    padding: 40px 24px;
  }

  .personal-row,
  .adv-row,
  .join-path,
  .about-row-item {
    grid-template-columns: 56px 1fr;
    gap: 16px 20px;
    padding: 28px 4px;
  }

  .personal-aside,
  .adv-aside,
  .join-path-aside,
  .about-aside {
    grid-column: 2;
    text-align: left;
    justify-self: start;
    padding-top: 0;
  }

  .personal-no,
  .adv-no,
  .join-path-no,
  .about-no {
    font-size: 1.45rem;
  }

  .contact-item {
    grid-template-columns: 44px 1fr;
    gap: 10px 16px;
    padding: 22px 20px;
  }

  .contact-item:hover {
    padding-left: 28px;
  }

  .contact-value {
    grid-column: 2;
    text-align: left;
    justify-self: start;
  }

  .store-item.is-open .store-panel {
    max-height: 720px;
  }

  .store-copy {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .store-visual {
    min-height: 220px;
    padding: 28px 24px;
  }

  .flow-rail li {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .flow-rail li:last-child {
    border-bottom: 0;
  }

  .store-trigger {
    grid-template-columns: 48px 1fr 28px;
  }

  .store-hint {
    display: none;
  }
}

@media (max-width: 768px) {
  .logo-mark {
    width: 24px;
  }

  .logo-text {
    font-size: 0.92rem;
    letter-spacing: 0.1em;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 20px 16px;
    background: rgba(10, 14, 20, 0.97);
    border-bottom: 1px solid var(--line);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: 0.35s var(--ease);
  }

  .site-nav.is-open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    min-height: 48px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--line);
  }

  .site-nav a[data-nav]::after {
    display: none;
  }

  .hero {
    padding-bottom: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal,
  .reveal-child,
  .hero-kicker,
  .hero-name,
  .hero-title,
  .hero-desc,
  .hero-cta,
  .scroll-cue {
    opacity: 1 !important;
    transform: none !important;
  }

  .hero-orb,
  .hero-sheen {
    animation: none !important;
  }
}