/* ══════════════════════════════════════════════════════
   distill-homepage.css — 知萃首页 · Bonsai Futurism (v2.0)
   风格: 深海蓝基底 + 纸感白卡 + 证据链青蓝 + 绿色生长
   依赖: distillai-design-tokens.css (--zd-* v4.0 品牌系统, HTML中已加载)
   ══════════════════════════════════════════════════════ */

   /* @import url('tokens.css') — P0-1 已移除, distillai-design-tokens.css 在HTML中加载 */

/* ─── Extend tokens with component-level values ───── */
:root {
  --zhover-bright:    #60CFFA;
  --zglow-cyan:       rgba(56, 189, 248, 0.15);
  --zglow-green:      rgba(52, 211, 153, 0.12);
  --zglow-purple:     rgba(167, 139, 250, 0.12);
  --zgreen-light:     #A7F3D0;
  --zpurple-light:    #DDD6FE;
  --zcyan-light:      #BAE6FD;
  --ztext-on-paper:   #1E293B;
}

/* Override distillai-base.css heading color for dark homepage context */
body h1, body h2, body h3,
.section-title, .gallery-title, .feature-card-title,
.scene-card h3, .faq-question, .testimonial-name,
.footer-col-title {
  color: var(--zd-cloud);
}

/* ─── Reset & Base ───────────────────────────────── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--z-font-sans);
  background-color: var(--z-bg-base);
  color: var(--zd-cloud);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;

  /* Grid 点阵 + 双光晕背景 */
  background-image:
    /* 左上方青蓝光晕 */
    radial-gradient(ellipse 55% 50% at 10% 10%, rgba(56, 189, 248, 0.10) 0%, transparent 60%),
    /* 右上方紫罗兰花晕 */
    radial-gradient(ellipse 45% 45% at 90% 12%, rgba(167, 139, 250, 0.08) 0%, transparent 55%),
    /* 底部微光 */
    radial-gradient(ellipse 70% 25% at 50% 100%, rgba(125, 211, 252, 0.03) 0%, transparent 50%),
    /* Grid 点阵 */
    linear-gradient(rgba(125, 211, 252, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(125, 211, 252, 0.04) 1px, transparent 1px);
  background-size:
    auto, auto, auto,
    42px 42px,
    42px 42px;
}

/* ─── Navigation Bar ─────────────────────────────── */
.nav-bar {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: min(94%, 860px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px 10px 20px;
  background: rgba(15, 27, 46, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(125, 211, 252, 0.15);
  border-radius: var(--z-radius-full);
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: default;
}

.nav-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--z-growth);
  box-shadow: 0 0 12px var(--zglow-green);
  flex-shrink: 0;
}

.nav-title {
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 32px;
  font-size: 0.8rem;
  color: var(--z-text-secondary);
  text-decoration: none;
  cursor: pointer;
  transition: color var(--z-duration-hover) var(--z-ease-out);
}

.nav-link:hover {
  color: var(--zd-cloud);
}

.nav-login-btn {
  padding: 6px 18px;
  border-radius: var(--z-radius-full);
  border: none;
  background: var(--z-brand-primary);
  color: var(--z-bg-base);
  font-size: 0.8rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition:
    background var(--z-duration-hover) var(--z-ease-out),
    box-shadow var(--z-duration-hover) var(--z-ease-out);
}

.nav-login-btn:hover {
  background: var(--zhover-bright);
  box-shadow: 0 0 16px var(--zglow-cyan);
}

/* ─── Auth Bar (inside nav, logged-in state) ──────── */
.auth-bar {
  display: none;
  align-items: center;
  gap: 10px;
  min-height: 32px;
}

.auth-bar .user-name {
  font-size: 0.78rem;
  color: var(--z-text-secondary);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.auth-bar .user-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid rgba(125, 211, 252, 0.15);
}

/* ─── Nav: tighter spacing when auth bar is visible ─── */
.nav-links.logged-in {
  gap: 12px;
}

.nav-links.logged-in .nav-link {
  font-size: 0.78rem;
}

/* auth bar pushes to right side when logged in */
.auth-bar {
  margin-left: auto;
}

@media (max-width: 640px) {
  .nav-bar {
    width: min(96%, 720px);
    padding: 8px 12px;
  }
  .auth-bar .user-name {
    max-width: 60px;
    font-size: 0.7rem;
  }
  .nav-links {
    gap: 4px;
  }
  .nav-link {
    font-size: 0.7rem;
  }
}

.auth-bar .auth-btn {
  padding: 5px 14px;
  border-radius: var(--z-radius-full);
  border: 1px solid rgba(125, 211, 252, 0.15);
  background: rgba(15, 27, 46, 0.6);
  color: var(--z-text-secondary);
  font-size: 0.75rem;
  font-family: inherit;
  cursor: pointer;
  transition:
    background var(--z-duration-hover) var(--z-ease-out),
    border-color var(--z-duration-hover) var(--z-ease-out),
    color var(--z-duration-hover) var(--z-ease-out);
}

.auth-bar .auth-btn:hover {
  background: var(--z-bg-surface-alt);
  border-color: rgba(125, 211, 252, 0.22);
  color: var(--zd-cloud);
}

/* ─── Page Layout Container ──────────────────────── */
.page-container {
  width: 100%;
  max-width: 1120px;
  padding: 0 var(--z-space-lg);
  margin: 0 auto;
}

/* ─── Hero Dual Column ───────────────────────────── */
.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
  gap: 32px;
  align-items: center;
  padding: 118px 0 0;
  min-height: min(620px, 64vh);
}

.hero-left {
  display: flex;
  flex-direction: column;
  gap: var(--z-space-md);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: var(--z-radius-full);
  border: 1px solid rgba(52, 211, 153, 0.30);
  background: rgba(52, 211, 153, 0.08);
  color: var(--zgreen-light);
  font-size: 0.72rem;
  font-weight: 700;
  width: fit-content;
  letter-spacing: 0.02em;
}

.hero-title {
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.045em;
  background: var(--z-gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  max-width: 580px;
}

.hero-subtitle {
  font-size: 0.8rem;
  color: var(--z-text-dim);
  line-height: 1.6;
  max-width: 500px;
  letter-spacing: 0.01em;
}

/* ─── Hero Taglines (单条循环淡入淡出 · 高级感慢节奏) ── */
.hero-taglines {
  position: relative;
  min-height: 2.6em;
  margin-top: 8px;
  margin-bottom: 8px;
}

.hero-tagline {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 300;
  color: var(--z-text-secondary);
  letter-spacing: 0.03em;
  line-height: 1.6;
  opacity: 0;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  pointer-events: none;
  transform: translateY(8px);
  filter: blur(2px);
  transition: none;
}

.hero-tagline.visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
  pointer-events: auto;
  position: relative;
}

.hero-tagline.fading-out {
  animation: taglineFadeOut 2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  pointer-events: none;
}

.hero-tagline.fading-in {
  animation: taglineFadeIn 2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
  pointer-events: auto;
}

@keyframes taglineFadeIn {
  0% {
    opacity: 0;
    transform: translateY(8px);
    filter: blur(2px);
    letter-spacing: 0.04em;
  }
  100% {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
    letter-spacing: 0.03em;
  }
}

@keyframes taglineFadeOut {
  0% {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
    letter-spacing: 0.03em;
  }
  100% {
    opacity: 0;
    transform: translateY(-8px);
    filter: blur(2px);
    letter-spacing: 0.04em;
  }
}

/* 渐变发光底线 */
.tagline-glow-line {
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 0.5px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(56, 189, 248, 0.50) 20%,
    rgba(56, 189, 248, 0.75) 50%,
    rgba(56, 189, 248, 0.50) 80%,
    transparent 100%);
  opacity: 0.4;
  pointer-events: none;
}

.hero-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: visible;
  width: 100%;
  gap: 14px;
}

.hero-svg-card {
  width: 100%;
  border-radius: var(--z-radius-lg);
  background: linear-gradient(180deg, rgba(15, 27, 46, 0.85), rgba(13, 26, 48, 0.85));
  border: 1px solid rgba(125, 211, 252, 0.15);
  padding: 12px;
  box-shadow: var(--z-shadow-card);
}

.hero-svg-card svg {
  width: 100%;
  height: auto;
  display: block;
}

/* ─── Hero Dynamic Demo Card ──────────────────────── */
.hero-demo-card {
  position: relative;
  overflow: hidden;
  padding: 16px 18px;
  display: none;
  animation: cardDrift 6s ease-in-out infinite;
}
.hero-demo-card.active {
  display: block;
  animation: cardDrift 6s ease-in-out infinite, heroFadeIn 0.5s ease-out both;
}

@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.demo-pulse-ring {
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  border: 1.5px solid rgba(56, 189, 248, 0.30);
  opacity: 0;
  pointer-events: none;
  animation: demoPulse 2.8s ease-in-out infinite;
  animation-delay: 1.2s;
}

@keyframes demoPulse {
  0%, 100% { opacity: 0; transform: scale(1); }
  40%      { opacity: 0.55; transform: scale(1.03); }
  70%      { opacity: 0; transform: scale(1.01); }
}

@keyframes cardDrift {
  0%, 100% { transform: translateY(0); }
  25%      { transform: translateY(-4px); }
  50%      { transform: translateY(-1px); }
  75%      { transform: translateY(-5px); }
}

/* ── 标题栏 ── */
.demo-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid rgba(125, 211, 252, 0.12);
}

.demo-header-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.demo-header-title {
  font-size: 0.88rem;
  font-weight: 750;
  color: var(--zd-cloud);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

/* ── 概念卡片列表 ── */
.demo-concepts {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}

.demo-concept {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.06), rgba(167, 139, 250, 0.04));
  border: 1px solid rgba(125, 211, 252, 0.12);
  border-radius: var(--z-radius-sm);
  padding: 10px 12px;
  transition:
    border-color 0.3s ease,
    box-shadow 0.3s ease,
    transform 0.3s ease;
  animation: conceptSlideIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  animation-delay: var(--concept-delay, 0s);
  cursor: default;
}

@keyframes conceptSlideIn {
  from {
    opacity: 0;
    transform: translateX(-16px);
    filter: blur(2px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
    filter: blur(0);
  }
}

.demo-concept:hover {
  border-color: rgba(56, 189, 248, 0.30);
  box-shadow: 0 0 18px rgba(56, 189, 248, 0.10);
  transform: translateX(3px);
}

.demo-concept-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 1px;
  animation: iconPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  animation-delay: calc(var(--concept-delay, 0s) + 0.2s);
}

@keyframes iconPop {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

.demo-concept-body {
  min-width: 0;
}

.demo-concept-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--zd-cloud);
  margin-bottom: 3px;
  line-height: 1.3;
}

.demo-concept-desc {
  font-size: 0.68rem;
  color: var(--z-text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ── 底部评分条 ── */
.demo-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid rgba(125, 211, 252, 0.10);
  gap: 12px;
}

.demo-score {
  display: flex;
  align-items: center;
  gap: 8px;
}

.demo-score-label {
  font-size: 0.66rem;
  color: var(--z-text-dim);
  white-space: nowrap;
}

.demo-score-bar {
  width: 80px;
  height: 5px;
  background: rgba(125, 211, 252, 0.15);
  border-radius: 3px;
  overflow: hidden;
}

.demo-score-fill {
  width: var(--score-target, 87%);
  height: 100%;
  background: linear-gradient(90deg, #38BDF8, #A78BFA);
  border-radius: 3px;
  animation: scoreGrow 1.2s cubic-bezier(0.34, 1.56, 0.64, 1) both;
  animation-delay: 0.6s;
}

@keyframes scoreGrow {
  from { width: 0%; }
  to   { width: var(--score-target, 87%); }
}

.demo-score-num {
  font-size: 0.72rem;
  font-weight: 700;
  color: #BAE6FD;
  white-space: nowrap;
}

.demo-evidence {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.68rem;
  color: var(--z-text-secondary);
}

.demo-evidence-icon {
  font-size: 0.75rem;
}

.demo-evidence-text strong {
  color: var(--z-brand-hover);
  font-weight: 700;
}

/* ─── Input Area ─────────────────────────────────── */
.input-area {
  padding: 32px 0 30px;
}

.input-group {
  display: flex;
  gap: 0;
  background: var(--z-paper);
  border: 1px solid rgba(125, 211, 252, 0.12);
  border-radius: var(--z-radius-md);
  padding: 4px;
  max-width: 720px;
  margin: 0 auto;
  box-shadow: var(--z-shadow-card);
  transition:
    border-color var(--z-duration-normal) var(--z-ease-out),
    box-shadow var(--z-duration-normal) var(--z-ease-out);
}

.input-group:focus-within {
  border-color: rgba(56, 189, 248, 0.30);
  box-shadow:
    0 0 0 3px rgba(56, 189, 248, 0.10),
    var(--z-shadow-card);
}

.input-group input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 16px 20px;
  color: var(--ztext-on-paper);
  font-size: 0.92rem;
  outline: none;
  font-family: inherit;
}

.input-group input::placeholder {
  color: var(--z-text-dim);
  opacity: 0.7;
}

.input-group button {
  background: var(--z-gradient-cta);
  border: none;
  color: var(--z-bg-base);
  padding: 14px 32px;
  border-radius: var(--z-radius-sm);
  font-size: 0.92rem;
  font-weight: 800;
  cursor: pointer;
  white-space: nowrap;
  font-family: inherit;
  letter-spacing: 0.01em;
  transition:
    opacity var(--z-duration-hover) var(--z-ease-out),
    transform var(--z-duration-hover) var(--z-ease-out),
    box-shadow var(--z-duration-hover) var(--z-ease-out);
}

.input-group button:hover:not(:disabled) {
  opacity: 0.92;
  transform: translateY(-1px);
  box-shadow:
    0 6px 24px rgba(56, 189, 248, 0.25),
    0 0 48px rgba(167, 139, 250, 0.08);
}

.input-group button:active:not(:disabled) {
  transform: translateY(0);
  opacity: 0.85;
}

.input-group button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ─── Radar Entry (优质内容雷达 视觉入口) ──────────── */
.radar-entry {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 18px 7px 8px;
  /* 可见的渐变背景 — 青蓝→紫色渐变 */
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.18), rgba(167, 139, 250, 0.22));
  border: 1.5px solid rgba(56, 189, 248, 0.32);
  border-radius: var(--z-radius-full);
  text-decoration: none;
  color: var(--zd-cloud);
  font-size: 0.82rem;
  position: relative;
  margin-bottom: 14px;
  overflow: hidden;
  transition:
    transform var(--z-duration-hover) var(--z-ease-out),
    border-color var(--z-duration-hover) var(--z-ease-out),
    box-shadow var(--z-duration-hover) var(--z-ease-out),
    background var(--z-duration-hover) var(--z-ease-out);
  /* 外层光晕呼吸 */
  box-shadow:
    0 0 12px 2px rgba(56, 189, 248, 0.22),
    0 0 24px 6px rgba(167, 139, 250, 0.14);
  animation: radar-breathe 2.5s ease-in-out infinite;
}

/* 光扫描线 */
.radar-entry::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 20%;
  height: 200%;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.25), transparent);
  transform: skewX(-20deg);
  animation: radar-scan-line 4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes radar-breathe {
  0%, 100% {
    box-shadow:
      0 0 10px 1px rgba(56, 189, 248, 0.18),
      0 0 22px 5px rgba(167, 139, 250, 0.10);
  }
  50% {
    box-shadow:
      0 0 18px 4px rgba(56, 189, 248, 0.32),
      0 0 36px 10px rgba(167, 139, 250, 0.20);
  }
}

@keyframes radar-scan-line {
  0%   { left: -60%; }
  70%  { left: 120%; }
  100% { left: 120%; }
}

.radar-entry:hover {
  transform: translateY(-2px);
  border-color: rgba(56, 189, 248, 0.55);
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.26), rgba(167, 139, 250, 0.30));
  box-shadow:
    0 0 22px 5px rgba(56, 189, 248, 0.35),
    0 0 44px 12px rgba(167, 139, 250, 0.22),
    0 4px 16px rgba(0, 0, 0, 0.18);
  animation: none;
}

.radar-entry:hover::after {
  animation: none;
  opacity: 0;
}

/* Icon wrapper with scan ring */
.radar-icon-wrap {
  position: relative;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.radar-icon-emoji {
  font-size: 1.1rem;
  position: relative;
  z-index: 1;
  line-height: 1;
  filter: drop-shadow(0 0 5px rgba(56, 189, 248, 0.6));
}

/* Rotating scan ring — 双环 */
.radar-scan-ring {
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  border: 2px solid transparent;
  border-top-color: rgba(56, 189, 248, 0.7);
  border-right-color: rgba(167, 139, 250, 0.5);
  animation: radar-spin 3s linear infinite;
}

/* 内环 */
.radar-icon-wrap::before {
  content: '';
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  border: 1.5px solid transparent;
  border-bottom-color: rgba(52, 211, 153, 0.4);
  border-left-color: rgba(56, 189, 248, 0.3);
  animation: radar-spin-reverse 4s linear infinite;
}

@keyframes radar-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes radar-spin-reverse {
  from { transform: rotate(360deg); }
  to { transform: rotate(0deg); }
}

/* Body text */
.radar-body {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.25;
}

.radar-title {
  font-weight: 700;
  font-size: 0.82rem;
  color: #BAE6FD;
  letter-spacing: 0.03em;
  text-shadow: 0 0 8px rgba(56, 189, 248, 0.25);
}

.radar-desc {
  font-size: 0.66rem;
  color: rgba(232, 241, 251, 0.55);
  font-weight: 400;
}

/* Live indicator dot */
.radar-live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #34D399;
  box-shadow: 0 0 8px rgba(52, 211, 153, 0.7);
  flex-shrink: 0;
  animation: live-pulse 2s ease-in-out infinite;
  margin-left: 2px;
}

@keyframes live-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(1.6); }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .radar-entry,
  .radar-entry::after,
  .radar-scan-ring,
  .radar-icon-wrap::before,
  .radar-live-dot {
    animation: none !important;
  }
}

/* ─── Value Cards ────────────────────────────────── */
.value-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding: var(--z-space-2xl) 0;
}

.value-card {
  background: linear-gradient(180deg, rgba(15, 27, 46, 0.92), rgba(13, 26, 48, 0.92));
  padding: 22px 18px;
  border-radius: var(--z-radius-md);
  text-align: center;
  border-width: 1px;
  border-style: solid;
  transition:
    transform var(--z-duration-normal) var(--z-ease-out),
    box-shadow var(--z-duration-normal) var(--z-ease-out);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
  cursor: default;
}

.value-card:hover {
  transform: translateY(-3px);
}

.value-card.cyan {
  border-color: rgba(56, 189, 248, 0.30);
}
.value-card.cyan:hover {
  box-shadow: 0 8px 28px var(--zglow-cyan);
}

.value-card.green {
  border-color: rgba(52, 211, 153, 0.30);
}
.value-card.green:hover {
  box-shadow: 0 8px 28px var(--zglow-green);
}

.value-card.purple {
  border-color: rgba(167, 139, 250, 0.30);
}
.value-card.purple:hover {
  box-shadow: 0 8px 28px var(--zglow-purple);
}

.value-card-icon {
  font-size: 1.6rem;
  margin-bottom: var(--z-space-sm);
  display: block;
  transition: transform var(--z-duration-normal) cubic-bezier(0.34, 1.56, 0.64, 1);
}

.value-card:hover .value-card-icon {
  transform: scale(1.12);
}

.value-card-title {
  font-size: 0.95rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.value-card.cyan .value-card-title  { color: var(--z-brand-hover); }
.value-card.green .value-card-title { color: var(--zgreen-light); }
.value-card.purple .value-card-title { color: var(--zpurple-light); }

.value-card-desc {
  font-size: 0.75rem;
  color: var(--z-text-secondary);
  line-height: 1.5;
}

/* ─── Example Buttons ────────────────────────────── */

.examples {
  display: flex;
  gap: var(--z-space-sm);
  justify-content: center;
  flex-wrap: wrap;
}

.example-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background:
    radial-gradient(circle at 14% 0%, rgba(215,189,122,.12), transparent 38%),
    rgba(244,240,231,.055);
  border: 1px solid rgba(247,244,236,.13);
  color: var(--zc-paper, var(--zd-cloud));
  padding: 10px 14px;
  border-radius: 12px;
  font-family: inherit;
  font-size: 0.78rem;
  cursor: pointer;
  transition:
    background var(--z-duration-hover) var(--z-ease-out),
    border-color var(--z-duration-hover) var(--z-ease-out),
    color var(--z-duration-hover) var(--z-ease-out),
    transform var(--z-duration-hover) var(--z-ease-out);
  user-select: none;
  line-height: 1.3;
}

.example-btn:hover {
  background: rgba(215,189,122,.08);
  border-color: rgba(215,189,122,.28);
  color: var(--zc-gold-soft, var(--zd-cloud));
  transform: translateY(-1px);
}

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

/* ─── Example Section (relative container for popup) ── */
.example-section {
  position: relative;
  padding-bottom: var(--z-space-md);
}

/* ─── Example Popup Panel ─────────────────────────── */
.example-popup {
  position: absolute;
  z-index: 50;
  width: min(720px, calc(100vw - 28px));
  background:
    radial-gradient(circle at 10% 0%, rgba(215,189,122,.12), transparent 34%),
    linear-gradient(180deg, rgba(32,39,31,.98), rgba(11,13,12,.98));
  border: 1px solid rgba(247,244,236,.14);
  border-radius: 14px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
  padding: 10px;
  animation: popupSlideIn 0.2s ease-out both;
}

@keyframes popupSlideIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.example-popup-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border-radius: 10px;
  cursor: pointer;
  color: var(--zc-muted, var(--z-text-secondary));
  transition:
    background 0.2s ease,
    color 0.2s ease,
    border-color 0.2s ease;
  border: 1px solid transparent;
}

.example-popup-item:hover {
  background: rgba(244,240,231,.055);
  border-color: rgba(215,189,122,.20);
  color: var(--zc-paper, var(--zd-cloud));
}

.example-popup-icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--zc-jade-soft, #bfe8dc);
  background: rgba(27,140,120,.14);
  border: 1px solid rgba(27,140,120,.22);
}

.example-popup-label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.example-main {
  font-weight: 800;
}

.example-popup-title {
  display: block;
  color: var(--zc-paper, #f4f0e7);
  font-weight: 820;
  font-size: .86rem;
  white-space: normal;
}

.example-popup-desc {
  display: block;
  margin-top: 3px;
  color: var(--zc-muted, #b8b2a6);
  font-size: .72rem;
  line-height: 1.45;
}

.example-popup-domain {
  justify-self: end;
  border-radius: 999px;
  padding: 4px 7px;
  color: var(--zc-gold-soft, #f5e3ab);
  background: rgba(215,189,122,.10);
  border: 1px solid rgba(215,189,122,.16);
  font-size: .66rem;
  font-weight: 800;
  white-space: nowrap;
}

.example-btn .example-icon {
  font-size: 0.85rem;
  flex-shrink: 0;
}

.example-btn .example-source {
  font-size: 0.65rem;
  color: var(--z-text-dim);
  margin-left: 1px;
}

/* ─── Micro Copy ─────────────────────────────────── */
.micro-copy {
  text-align: center;
  font-size: 0.75rem;
  color: var(--z-text-dim);
  padding-bottom: var(--z-space-3xl);
  letter-spacing: 0.01em;
  opacity: 0.7;
  line-height: 1.5;
}

/* ─── Loading Status ─────────────────────────────── */
#status {
  display: none;
  margin-top: var(--z-space-2xl);
  padding: 14px 20px;
  background: rgba(56, 189, 248, 0.08);
  border-radius: var(--z-radius-sm);
  border: 1px solid rgba(56, 189, 248, 0.30);
  font-size: 0.88rem;
  color: var(--z-brand-hover);
  text-align: center;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

#status .spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(56, 189, 248, 0.15);
  border-top-color: var(--z-brand-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-right: 10px;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ─── Error Card ─────────────────────────────────── */
#errorCard {
  display: none;
  margin-top: var(--z-space-2xl);
  text-align: left;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

@keyframes errorFadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
    filter: blur(1px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

.error-card {
  background: var(--z-bg-surface);
  border-radius: var(--z-radius-md);
  padding: 20px 22px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(125, 211, 252, 0.15);
  transition:
    transform 0.28s var(--z-ease-out),
    box-shadow 0.35s var(--z-ease-out),
    background 0.28s ease,
    border-color 0.28s ease;
  cursor: default;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.error-card:hover {
  transform: translateY(-2px);
  background: var(--z-bg-surface-alt);
  border-color: rgba(125, 211, 252, 0.22);
  box-shadow: var(--z-shadow-card);
}

/* Left accent bar */
.error-card::before {
  content: '';
  position: absolute;
  top: 14px;
  left: 0;
  width: 4px;
  height: calc(100% - 28px);
  border-radius: 0 3px 3px 0;
  transition:
    width 0.25s ease,
    opacity 0.25s ease,
    box-shadow 0.35s ease;
}

.error-card:hover::before {
  width: 5px;
  box-shadow: 1px 0 16px var(--bar-glow);
}

/* Type colours with glow variables */
.error-llm    { --card-glow: rgba(225,112,85,0.06); --bar-glow: rgba(225,112,85,0.25); }
.error-subtitle    { --card-glow: rgba(253,203,110,0.05); --bar-glow: rgba(253,203,110,0.20); }
.error-parse  { --card-glow: rgba(232,67,147,0.06); --bar-glow: rgba(232,67,147,0.25); }
.error-network{ --card-glow: rgba(116,185,255,0.05); --bar-glow: rgba(116,185,255,0.20); }
.error-source_dead { --card-glow: rgba(255,118,117,0.06); --bar-glow: rgba(255,118,117,0.25); }
.error-generic{ --card-glow: rgba(160,160,160,0.03); --bar-glow: rgba(160,160,160,0.15); }

.error-llm::before    { background: linear-gradient(180deg,#e17055,rgba(225,112,85,0.6)); }
.error-subtitle::before    { background: linear-gradient(180deg,#fdcb6e,rgba(253,203,110,0.6)); }
.error-parse::before  { background: linear-gradient(180deg,#e84393,rgba(232,67,147,0.6)); }
.error-network::before{ background: linear-gradient(180deg,#74b9ff,rgba(116,185,255,0.6)); }
.error-source_dead::before { background: linear-gradient(180deg,#ff7675,rgba(255,118,117,0.6)); }
.error-generic::before{ background: linear-gradient(180deg,#636e72,rgba(99,110,114,0.5)); }

.error-card-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.error-card-icon {
  font-size: 1.6rem;
  line-height: 1.35;
  flex-shrink: 0;
}

.error-card-body {
  flex: 1;
  min-width: 0;
}

.error-card-title {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
  transition: color 0.2s ease;
}

.error-llm .error-card-title    { color: #e17055; }
.error-subtitle .error-card-title    { color: #fdcb6e; }
.error-parse .error-card-title  { color: #e84393; }
.error-network .error-card-title{ color: #74b9ff; }
.error-source_dead .error-card-title { color: #ff7675; }
.error-generic .error-card-title{ color: #a0a0a0; }

.error-card-subtitle {
  font-size: 0.82rem;
  color: var(--z-text-dim);
  margin-top: 4px;
  line-height: 1.45;
}

.error-card-detail {
  margin-top: 10px;
  font-size: 0.75rem;
  color: var(--z-text-dim);
  background: rgba(0,0,0,0.25);
  padding: 8px 10px;
  border-radius: var(--z-radius-sm);
  border: 1px solid rgba(255,255,255,0.03);
}

.error-card-detail code {
  font-family: var(--z-font-mono);
  font-size: 0.7rem;
  color: var(--z-text-secondary);
  word-break: break-all;
}

/* Traceback toggle */
.error-traceback-toggle {
  margin-top: 10px;
  cursor: pointer;
  font-size: 0.72rem;
  color: var(--z-text-dim);
  transition:
    color 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
  user-select: none;
  border: 1px solid rgba(125, 211, 252, 0.15);
  background: var(--z-bg-surface);
  padding: 5px 12px;
  border-radius: var(--z-radius-sm);
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.error-traceback-toggle:hover {
  color: var(--z-text-secondary);
  background: var(--z-bg-surface-alt);
  border-color: rgba(125, 211, 252, 0.22);
}

.error-traceback-toggle .arrow {
  display: inline-block;
  transition: transform 0.25s var(--z-ease-out);
  font-size: 0.7rem;
}

.error-traceback-toggle.open .arrow {
  transform: rotate(90deg);
}

.error-traceback {
  max-height: 0;
  overflow: hidden;
  transition:
    max-height 0.35s var(--z-ease-out),
    opacity 0.3s ease;
  opacity: 0;
}

.error-traceback.open {
  max-height: 300px;
  opacity: 1;
}

.error-traceback pre {
  margin-top: 10px;
  padding: 12px 14px;
  background: rgba(0,0,0,0.3);
  border-radius: var(--z-radius-sm);
  border: 1px solid rgba(255,255,255,0.04);
  font-family: var(--z-font-mono);
  font-size: 0.68rem;
  color: var(--z-text-dim);
  line-height: 1.6;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.error-traceback.open pre {
  border-color: rgba(255,255,255,0.07);
}

/* ─── Result Buttons ──────────────────────────────── */
.result-btn {
  padding: 8px 18px;
  border-radius: var(--z-radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition:
    opacity var(--z-duration-hover) var(--z-ease-out),
    transform var(--z-duration-hover) var(--z-ease-out),
    box-shadow var(--z-duration-hover) var(--z-ease-out);
  border: 1px solid rgba(125, 211, 252, 0.15);
  background: var(--z-bg-surface);
  color: var(--z-text-secondary);
}
.result-btn:hover {
  transform: translateY(-1px);
  background: var(--z-bg-surface-alt);
  border-color: rgba(125, 211, 252, 0.22);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}
.result-btn-primary {
  background: var(--z-gradient-cta);
  border: none;
  color: #ffffff;
  font-weight: 700;
}
.result-btn-primary:hover {
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.25);
  opacity: 0.92;
}
.result-format-link {
  display: inline-block;
  padding: 5px 12px;
  border-radius: var(--z-radius-sm);
  font-size: 0.75rem;
  color: var(--z-brand-hover);
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.30);
  text-decoration: none;
  transition:
    background var(--z-duration-hover) var(--z-ease-out),
    border-color var(--z-duration-hover) var(--z-ease-out);
}
.result-format-link:hover {
  background: rgba(56, 189, 248, 0.14);
  border-color: rgba(56, 189, 248, 0.30);
}

/* ─── Login Modal ────────────────────────────────── */
.modal-overlay {
  display: flex;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(7, 17, 31, 0.72);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: var(--z-space-md);
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0s 0.25s;
}

.modal-overlay.open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition: opacity 0.25s ease;
}

.modal-card {
  background: var(--z-bg-surface);
  border: 1px solid rgba(125, 211, 252, 0.22);
  border-radius: var(--z-radius-lg);
  padding: var(--z-space-3xl) var(--z-space-2xl);
  max-width: 400px;
  width: 100%;
  text-align: center;
  box-shadow: var(--z-shadow-card);
}

.modal-icon {
  font-size: 2.4rem;
  margin-bottom: var(--z-space-sm);
}

.modal-card h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--zd-ink);
  margin-bottom: var(--z-space-xs);
}

.modal-sub {
  font-size: 0.82rem;
  color: var(--z-text-dim);
  margin-bottom: var(--z-space-2xl);
  line-height: 1.6;
}

.google-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 12px 20px;
  border-radius: var(--z-radius-sm);
  border: 1px solid rgba(125, 211, 252, 0.15);
  background: var(--z-bg-surface-alt);
  color: var(--zd-cloud);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition:
    background var(--z-duration-hover) var(--z-ease-out),
    border-color var(--z-duration-hover) var(--z-ease-out);
}

.google-btn svg {
  width: 20px;
  height: 20px;
}

.google-btn:hover {
  background: var(--z-bg-surface);
  border-color: rgba(125, 211, 252, 0.22);
}

.modal-divider {
  position: relative;
  margin: var(--z-space-md) 0;
  color: var(--z-text-dim);
  font-size: 0.78rem;
}

.modal-divider::before,
.modal-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 42%;
  height: 1px;
  background: rgba(125, 211, 252, 0.15);
}

.modal-divider::before { left: 0; }
.modal-divider::after  { right: 0; }

.email-input-group {
  display: flex;
  flex-direction: column;
  gap: var(--z-space-sm);
  margin-bottom: var(--z-space-md);
}

.email-input-group input {
  padding: 12px 16px;
  border-radius: var(--z-radius-sm);
  border: 1px solid rgba(125, 211, 252, 0.15);
  background: var(--z-bg-surface-alt);
  color: var(--zd-cloud);
  font-size: 0.88rem;
  outline: none;
  font-family: inherit;
  transition:
    border-color var(--z-duration-hover) var(--z-ease-out),
    box-shadow var(--z-duration-hover) var(--z-ease-out);
}

.email-input-group input:focus {
  border-color: rgba(56, 189, 248, 0.30);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.08);
}

.email-input-group input::placeholder {
  color: var(--z-text-dim);
}

.email-btn {
  padding: 12px;
  border-radius: var(--z-radius-sm);
  border: none;
  background: var(--z-gradient-cta);
  color: var(--z-bg-base);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition:
    opacity var(--z-duration-hover) var(--z-ease-out);
}

.email-btn:hover {
  opacity: 0.92;
}

.modal-skip {
  background: none;
  border: none;
  color: var(--z-text-dim);
  font-size: 0.78rem;
  cursor: pointer;
  font-family: inherit;
  padding: var(--z-space-sm);
  transition: color var(--z-duration-hover) var(--z-ease-out);
}

.modal-skip:hover {
  color: var(--z-text-secondary);
}

/* ─── Footer ─────────────────────────────────────── */
.page-footer {
  margin-top: var(--z-space-3xl);
  padding: var(--z-space-2xl) 0;
  text-align: center;
  color: var(--z-text-dim);
  font-size: 0.72rem;
  opacity: 0.6;
  letter-spacing: 0.02em;
  border-top: 1px solid rgba(125, 211, 252, 0.15);
}

/* ─── Responsive ─────────────────────────────────── */
@media (max-width: 960px) {
  .hero-section {
    grid-template-columns: 1fr;
    gap: var(--z-space-2xl);
    padding-top: 120px;
    min-height: auto;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-right {
    order: 0;
  }

  .hero-svg-card {
    max-width: 480px;
    margin: 0 auto;
  }

  .value-cards {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .nav-links .nav-link {
    display: none;
  }
}

/* ── 手机版 768px: 首屏排版减负 ── */
@media (max-width: 768px) {
  .hero-section {
    padding-top: 94px;
    gap: 14px;
  }

  .hero-title {
    font-size: 1.8rem;
    line-height: 1.2;
  }

  .hero-badge {
    font-size: 0.7rem;
    padding: 4px 10px;
    gap: 4px;
  }

  .hero-taglines {
    margin-top: 8px;
    margin-bottom: 8px;
  }

  .hero-subtitle {
    margin-top: 8px;
    font-size: 0.72rem;
  }

  .hero-right {
    order: 0;
  }

  .hero-tagline {
    font-size: 1rem;
  }

  .input-area {
    padding: var(--z-space-xl) 0 var(--z-space-lg);
  }

  .example-section {
    padding-bottom: var(--z-space-sm);
  }

}

@media (max-width: 640px) {
  body {
    background-size:
      auto, auto, auto,
      30px 30px,
      30px 30px;
  }

  .page-container {
    padding: 0 var(--z-space-md);
  }

  .nav-bar {
    top: 12px;
    padding: 8px 14px 8px 16px;
  }

  .nav-title {
    font-size: 0.88rem;
  }

  .hero-section {
    padding-top: 92px;
  }

  .hero-title {
    font-size: 1.6rem;
  }

  .hero-subtitle {
    font-size: 0.72rem;
  }

  .hero-tagline {
    font-size: 1rem;
  }

  .input-group {
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    padding: 0;
    box-shadow: none;
  }

  .input-group:focus-within {
    border-color: transparent;
    box-shadow: none;
  }

  .input-group input {
    background: var(--z-paper);
    border: 1px solid rgba(125, 211, 252, 0.12);
    border-radius: var(--z-radius-sm);
    padding: 14px 16px;
  }

  .input-group input:focus {
    border-color: rgba(56, 189, 248, 0.30);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.08);
  }

  .input-group button {
    border-radius: var(--z-radius-sm);
    padding: 14px;
    width: 100%;
  }

  .examples {
    gap: 6px;
  }

  .example-btn {
    padding: 6px 12px 6px 10px;
    font-size: 0.72rem;
  }

  .value-card {
    padding: 18px 14px;
  }
}

@media (max-width: 400px) {
  .hero-title {
    font-size: 1.3rem;
  }

  .hero-tagline {
    font-size: 1rem;
  }

  .examples {
    gap: 4px;
  }

  .example-btn {
    font-size: 0.68rem;
    padding: 5px 10px 5px 8px;
  }
}

/* ══════════════════════════════════════════════════════
   ★ 新增: 产品亮点 / Features Section
   Grid: 4列 @桌面, 2列 @平板, 1列 @手机
   ══════════════════════════════════════════════════════ */
.section-header {
  text-align: center;
  margin-bottom: var(--z-space-4xl);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid rgba(52, 211, 153, 0.25);
  background: rgba(52, 211, 153, 0.08);
  color: var(--zgreen-light);
  font-size: 0.70rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: var(--z-space-lg);
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.25;
  color: var(--zd-cloud);
}

.section-subtitle {
  font-size: 0.92rem;
  color: var(--z-text-secondary);
  max-width: 540px;
  margin: var(--z-space-md) auto 0;
  line-height: 1.65;
}

.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(125, 211, 252, 0.08), transparent);
  border: none;
  margin: 0;
}

.features-section {
  padding: 100px 0 80px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card {
  background: linear-gradient(180deg, rgba(15, 27, 46, 0.90), rgba(13, 26, 48, 0.90));
  border-radius: var(--z-radius-md);
  padding: 28px 22px;
  border: 1px solid rgba(125, 211, 252, 0.12);
  transition:
    transform var(--z-duration-normal) var(--z-ease-out),
    border-color var(--z-duration-normal) var(--z-ease-out),
    box-shadow var(--z-duration-normal) var(--z-ease-out);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 2px 2px 0 0;
  opacity: 0;
  transition: opacity var(--z-duration-normal) var(--z-ease-out);
}

.feature-card:nth-child(1)::before { background: var(--z-gradient-cta); }
.feature-card:nth-child(2)::before { background: var(--z-growth); }
.feature-card:nth-child(3)::before { background: linear-gradient(90deg, #A78BFA, #7DD3FC); }
.feature-card:nth-child(4)::before { background: linear-gradient(90deg, #34D399, #38BDF8); }

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(125, 211, 252, 0.22);
  box-shadow: var(--z-shadow-card);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--z-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--z-space-lg);
  font-size: 1.2rem;
}

.feature-icon-cyan {
  background: rgba(56, 189, 248, 0.12);
  color: var(--z-brand-hover);
}

.feature-icon-green {
  background: rgba(52, 211, 153, 0.12);
  color: var(--zgreen-light);
}

.feature-icon-purple {
  background: rgba(167, 139, 250, 0.12);
  color: var(--zpurple-light);
}

.feature-icon-gradient {
  background: linear-gradient(135deg, rgba(52, 211, 153, 0.12), rgba(56, 189, 248, 0.12));
  color: var(--z-brand-hover);
}

.feature-card-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.feature-card-desc {
  font-size: 0.80rem;
  color: var(--z-text-secondary);
  line-height: 1.6;
}

/* ══════════════════════════════════════════════════════
   ★ 新增: 使用场景 / Scenes Section
   3个场景卡片: 学生 / 研究者 / 创作者
   ══════════════════════════════════════════════════════ */
.scenes-section {
  padding: 80px 0;
}

.scenes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.scene-card {
  background: linear-gradient(180deg, rgba(15, 27, 46, 0.85), rgba(13, 26, 48, 0.90));
  border-radius: var(--z-radius-md);
  border: 1px solid rgba(125, 211, 252, 0.12);
  padding: 32px 26px;
  transition:
    transform var(--z-duration-normal) var(--z-ease-out),
    border-color var(--z-duration-normal) var(--z-ease-out),
    box-shadow var(--z-duration-normal) var(--z-ease-out);
  cursor: default;
}

.scene-card:hover {
  transform: translateY(-4px);
  border-color: rgba(125, 211, 252, 0.22);
  box-shadow: var(--z-shadow-card);
}

.scene-emoji {
  font-size: 2.2rem;
  margin-bottom: var(--z-space-lg);
  display: block;
  transition: transform var(--z-duration-normal) cubic-bezier(0.34, 1.56, 0.64, 1);
}

.scene-card:hover .scene-emoji {
  transform: scale(1.15);
}

.scene-role {
  font-size: 0.70rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.scene-role.cyan { color: var(--z-brand-hover); }
.scene-role.green { color: var(--zgreen-light); }
.scene-role.purple { color: var(--zpurple-light); }

.scene-title {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.scene-desc {
  font-size: 0.82rem;
  color: var(--z-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--z-space-lg);
}

.scene-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.scene-tag {
  display: inline-flex;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.scene-tag.cyan-bg {
  background: rgba(56, 189, 248, 0.10);
  color: var(--zcyan-light);
  border: 1px solid rgba(56, 189, 248, 0.20);
}

.scene-tag.green-bg {
  background: rgba(52, 211, 153, 0.10);
  color: var(--zgreen-light);
  border: 1px solid rgba(52, 211, 153, 0.20);
}

.scene-tag.purple-bg {
  background: rgba(167, 139, 250, 0.10);
  color: var(--zpurple-light);
  border: 1px solid rgba(167, 139, 250, 0.20);
}

/* ══════════════════════════════════════════════════════
   ★ 新增: 用户信任 / Trust Section
   数据统计 + 用户评价
   ══════════════════════════════════════════════════════ */
.trust-section {
  padding: 80px 0;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 80px;
}

.stat-card {
  text-align: center;
  padding: 32px 20px;
  background: linear-gradient(180deg, rgba(15, 27, 46, 0.70), rgba(13, 26, 48, 0.80));
  border-radius: var(--z-radius-md);
  border: 1px solid rgba(125, 211, 252, 0.08);
  transition:
    border-color var(--z-duration-normal) var(--z-ease-out);
  cursor: default;
}

.stat-card:hover {
  border-color: rgba(125, 211, 252, 0.18);
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 950;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: var(--z-space-sm);
  background: var(--z-gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--z-text-secondary);
  line-height: 1.5;
}

.stat-sublabel {
  font-size: 0.72rem;
  color: var(--z-text-dim);
  margin-top: var(--z-space-xs);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.testimonial-card {
  background: linear-gradient(180deg, rgba(15, 27, 46, 0.85), rgba(13, 26, 48, 0.90));
  border-radius: var(--z-radius-md);
  padding: 24px 22px;
  border: 1px solid rgba(125, 211, 252, 0.10);
  transition:
    transform var(--z-duration-normal) var(--z-ease-out),
    border-color var(--z-duration-normal) var(--z-ease-out);
  cursor: default;
}

.testimonial-card:hover {
  transform: translateY(-3px);
  border-color: rgba(125, 211, 252, 0.20);
}

.testimonial-quote {
  font-size: 0.85rem;
  color: var(--z-text-secondary);
  line-height: 1.65;
  margin-bottom: var(--z-space-lg);
  font-style: italic;
  position: relative;
  padding-left: var(--z-space-xl);
}

.testimonial-quote::before {
  content: '\201C';
  position: absolute;
  left: 0;
  top: -2px;
  font-size: 1.4rem;
  color: var(--z-brand-primary);
  font-style: normal;
  font-weight: 700;
  line-height: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--z-space-sm);
}

.testimonial-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #34D399, #38BDF8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--z-bg-base);
  flex-shrink: 0;
}

.testimonial-info {
  flex: 1;
  min-width: 0;
}

.testimonial-name {
  font-size: 0.80rem;
  font-weight: 600;
  color: var(--zd-cloud);
}

.testimonial-role {
  font-size: 0.68rem;
  color: var(--z-text-dim);
}

/* ══════════════════════════════════════════════════════
   ★ 新增: FAQ 折叠式
   纯CSS checkbox toggle
   ══════════════════════════════════════════════════════ */
.faq-section {
  padding: 80px 0;
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: rgba(15, 27, 46, 0.70);
  border-radius: var(--z-radius-sm);
  border: 1px solid rgba(125, 211, 252, 0.08);
  overflow: hidden;
  transition: border-color var(--z-duration-hover) var(--z-ease-out);
}

.faq-item:hover {
  border-color: rgba(125, 211, 252, 0.16);
}

.faq-toggle {
  display: none;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--zd-cloud);
  cursor: pointer;
  user-select: none;
  transition: color var(--z-duration-hover) var(--z-ease-out);
  gap: var(--z-space-md);
}

.faq-question:hover {
  color: var(--zd-cloud);
}

.faq-arrow {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--z-duration-normal) var(--z-ease-out);
  color: var(--z-text-dim);
  font-size: 0.75rem;
}

.faq-toggle:checked + .faq-question .faq-arrow {
  transform: rotate(90deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition:
    max-height var(--z-duration-normal) var(--z-ease-out),
    opacity var(--z-duration-normal) var(--z-ease-out),
    padding var(--z-duration-normal) var(--z-ease-out);
  opacity: 0;
  padding: 0 20px;
}

.faq-toggle:checked + .faq-question + .faq-answer {
  max-height: 200px;
  opacity: 1;
  padding: 0 20px 16px;
}

.faq-answer p {
  font-size: 0.82rem;
  color: var(--z-text-secondary);
  line-height: 1.65;
}

/* ══════════════════════════════════════════════════════
   ★ 新增: 尾部CTA / Bottom CTA
   深色渐变卡片 + 输入引导
   ══════════════════════════════════════════════════════ */
.cta-section {
  padding: 80px 0 60px;
}

.cta-card {
  background: linear-gradient(180deg, rgba(15, 27, 46, 0.85), rgba(13, 26, 48, 0.90));
  border-radius: var(--z-radius-lg);
  border: 1px solid rgba(125, 211, 252, 0.15);
  padding: 56px 40px;
  text-align: center;
  box-shadow: var(--z-shadow-card);
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -40%;
  left: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(56, 189, 248, 0.06), transparent 60%);
  pointer-events: none;
}

.cta-card::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -10%;
  width: 50%;
  height: 150%;
  background: radial-gradient(ellipse, rgba(52, 211, 153, 0.05), transparent 60%);
  pointer-events: none;
}

.cta-emoji {
  font-size: 2.4rem;
  margin-bottom: var(--z-space-lg);
  display: block;
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--z-space-sm);
  position: relative;
  z-index: 1;
}

.cta-subtitle {
  font-size: 0.90rem;
  color: var(--z-text-secondary);
  max-width: 460px;
  margin: 0 auto var(--z-space-2xl);
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

.cta-input-group {
  display: flex;
  gap: 0;
  background: var(--z-paper);
  border: 1px solid rgba(125, 211, 252, 0.12);
  border-radius: var(--z-radius-md);
  padding: 4px;
  max-width: 580px;
  margin: 0 auto;
  box-shadow: var(--z-shadow-card);
  transition:
    border-color var(--z-duration-normal) var(--z-ease-out),
    box-shadow var(--z-duration-normal) var(--z-ease-out);
  position: relative;
  z-index: 1;
}

.cta-input-group:focus-within {
  border-color: rgba(56, 189, 248, 0.30);
  box-shadow:
    0 0 0 3px rgba(56, 189, 248, 0.10),
    var(--z-shadow-card);
}

.cta-input-group input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 14px 20px;
  color: var(--ztext-on-paper);
  font-size: 0.90rem;
  outline: none;
  font-family: inherit;
}

.cta-input-group input::placeholder {
  color: var(--z-text-dim);
  opacity: 0.7;
}

.cta-input-group button {
  background: var(--z-gradient-cta);
  border: none;
  color: var(--z-bg-base);
  padding: 12px 28px;
  border-radius: var(--z-radius-sm);
  font-size: 0.88rem;
  font-weight: 800;
  cursor: pointer;
  white-space: nowrap;
  font-family: inherit;
  letter-spacing: 0.01em;
  transition:
    opacity var(--z-duration-hover) var(--z-ease-out),
    transform var(--z-duration-hover) var(--z-ease-out),
    box-shadow var(--z-duration-hover) var(--z-ease-out);
}

.cta-input-group button:hover {
  opacity: 0.92;
  transform: translateY(-1px);
  box-shadow:
    0 6px 24px rgba(56, 189, 248, 0.25),
    0 0 48px rgba(167, 139, 250, 0.08);
}

.cta-input-group button:active {
  transform: translateY(0);
  opacity: 0.85;
}

.cta-micro {
  font-size: 0.72rem;
  color: var(--z-text-dim);
  margin-top: var(--z-space-lg);
  position: relative;
  z-index: 1;
  opacity: 0.7;
}

/* ══════════════════════════════════════════════════════
   ★ 新增: 完整页脚 / Full Footer (替代原有简单footer)
   ══════════════════════════════════════════════════════ */
.new-page-footer {
  border-top: 1px solid rgba(125, 211, 252, 0.08);
  padding: 48px 0 32px;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: var(--z-space-4xl);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--z-space-md);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--z-growth);
  box-shadow: 0 0 10px var(--zglow-green);
  flex-shrink: 0;
}

.footer-logo-text {
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
}

.footer-desc {
  font-size: 0.80rem;
  color: var(--z-text-dim);
  line-height: 1.6;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: var(--z-space-sm);
  margin-top: var(--z-space-xs);
}

.footer-social a {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(125, 211, 252, 0.12);
  background: rgba(15, 27, 46, 0.60);
  color: var(--z-text-dim);
  font-size: 0.75rem;
  text-decoration: none;
  transition:
    border-color var(--z-duration-hover) var(--z-ease-out),
    background var(--z-duration-hover) var(--z-ease-out),
    color var(--z-duration-hover) var(--z-ease-out);
}

.footer-social a:hover {
  border-color: rgba(125, 211, 252, 0.25);
  background: rgba(15, 27, 46, 0.90);
  color: var(--z-text-secondary);
}

.footer-col-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--zd-cloud);
  letter-spacing: 0.03em;
  margin-bottom: var(--z-space-lg);
  text-transform: uppercase;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--z-space-sm);
}

.footer-link {
  font-size: 0.80rem;
  color: var(--z-text-dim);
  text-decoration: none;
  cursor: pointer;
  transition: color var(--z-duration-hover) var(--z-ease-out);
}

.footer-link:hover {
  color: var(--z-text-secondary);
}

.footer-bottom {
  border-top: 1px solid rgba(125, 211, 252, 0.06);
  padding-top: var(--z-space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--z-space-sm);
}

.footer-copyright {
  font-size: 0.72rem;
  color: var(--z-text-dim);
  opacity: 0.6;
}

.footer-legal {
  display: flex;
  gap: var(--z-space-lg);
}

.footer-legal a {
  font-size: 0.72rem;
  color: var(--z-text-dim);
  text-decoration: none;
  opacity: 0.5;
  transition: opacity var(--z-duration-hover) var(--z-ease-out);
}

.footer-legal a:hover {
  opacity: 0.8;
}

/* ══════════════════════════════════════════════════════
   Responsive: 新增section的三档响应式
   ══════════════════════════════════════════════════════ */
@media (max-width: 960px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-grid .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  .features-grid {
    grid-template-columns: 1fr;
  }

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

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

  .stats-row {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 48px;
  }

  .stat-number {
    font-size: 2rem;
  }

  .cta-card {
    padding: 40px 20px;
  }

  .cta-title {
    font-size: 1.3rem;
  }

  .cta-input-group {
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    padding: 0;
    box-shadow: none;
  }

  .cta-input-group:focus-within {
    border-color: transparent;
    box-shadow: none;
  }

  .cta-input-group input {
    background: var(--z-paper);
    border: 1px solid rgba(125, 211, 252, 0.12);
    border-radius: var(--z-radius-sm);
    padding: 14px 16px;
  }

  .cta-input-group input:focus {
    border-color: rgba(56, 189, 248, 0.30);
  }

  .cta-input-group button {
    border-radius: var(--z-radius-sm);
    padding: 14px;
    width: 100%;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .section-title {
    font-size: 1.5rem;
  }

  /* Hero demo card — mobile */
  .hero-section {
    grid-template-columns: 1fr;
    padding: 110px 0 0;
    min-height: auto;
    gap: 18px;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .hero-demo-card {
    padding: 12px 14px;
  }

  .demo-header-title {
    font-size: 0.78rem;
  }

  .demo-concept {
    padding: 8px 10px;
  }

  .demo-concept-title {
    font-size: 0.72rem;
  }

  .demo-concept-desc {
    font-size: 0.64rem;
  }

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

  .demo-score-bar {
    width: 60px;
  }
}

/* ─── Background Particles ──────────────────────────── */
.bg-particle {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  opacity: var(--p-opacity, 0.25);
  animation: bgParticleDrift var(--p-duration, 20s) ease-in-out infinite;
  animation-delay: var(--p-delay, 0s);
}

@keyframes bgParticleDrift {
  0%, 100% { transform: translateY(0) translateX(0); opacity: var(--p-opacity); }
  25% { transform: translateY(-30px) translateX(15px); opacity: calc(var(--p-opacity) * 0.6); }
  50% { transform: translateY(-15px) translateX(-10px); opacity: var(--p-opacity); }
  75% { transform: translateY(-40px) translateX(5px); opacity: calc(var(--p-opacity) * 0.4); }
}

/* ══════════════════════════════════════════════════════
   P0-3 fix: Gallery CTA buttons (2026-06-01)
   ══════════════════════════════════════════════════════ */
.gallery-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  border-radius: 14px;
  background: var(--zd-mint-500);
  color: var(--zd-navy-900);
  cursor: pointer;
  transition: all 160ms cubic-bezier(0.2, 0, 0, 1);
  text-decoration: none;
}
.gallery-cta:hover {
  background: var(--zd-mint-400);
  box-shadow: 0 4px 16px rgba(98, 227, 167, .3);
  transform: translateY(-1px);
}
.gallery-cta svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

/* Sample showcase */
.sample-showcase-section {
  width: min(1120px, calc(100vw - 32px));
  margin: 34px auto 0;
  padding: 28px;
  border: 1px solid rgba(215, 189, 122, 0.14);
  border-radius: 8px;
  background:
    radial-gradient(circle at 8% 0%, rgba(215, 189, 122, 0.11), transparent 34%),
    radial-gradient(circle at 92% 12%, rgba(27, 140, 120, 0.12), transparent 32%),
    rgba(10, 17, 26, 0.58);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.24);
}
.sample-showcase-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 20px;
}
.sample-showcase-title {
  margin: 12px 0 8px;
  color: var(--zc-paper, #f4f0e7);
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  line-height: 1.22;
  font-weight: 860;
}
.sample-showcase-subtitle {
  max-width: 680px;
  margin: 0;
  color: var(--zc-muted, #b8b2a6);
  font-size: 0.92rem;
  line-height: 1.7;
}
.sample-showcase-link {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid rgba(215, 189, 122, 0.22);
  border-radius: 999px;
  color: var(--zc-gold-soft, #f5e3ab);
  background: rgba(215, 189, 122, 0.07);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 760;
}
.sample-showcase-link:hover {
  background: rgba(215, 189, 122, 0.12);
  border-color: rgba(215, 189, 122, 0.34);
}
.sample-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.sample-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(244, 240, 231, 0.10);
  border-radius: 8px;
  background: rgba(244, 240, 231, 0.045);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}
.sample-card:hover {
  transform: translateY(-3px);
  border-color: rgba(215, 189, 122, 0.30);
  background: rgba(244, 240, 231, 0.065);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.22);
}
.sample-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: rgba(244, 240, 231, 0.06);
}
.sample-card-body {
  padding: 14px;
}
.sample-domain {
  display: inline-flex;
  margin-bottom: 8px;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(27, 140, 120, 0.26);
  color: var(--zc-jade-soft, #9fe8ce);
  background: rgba(27, 140, 120, 0.10);
  font-size: 0.68rem;
  font-weight: 780;
}
.sample-card h3 {
  margin: 0 0 8px;
  color: var(--zc-paper, #f4f0e7);
  font-size: 0.96rem;
  line-height: 1.38;
}
.sample-card p {
  min-height: 48px;
  margin: 0 0 12px;
  color: var(--zc-muted, #b8b2a6);
  font-size: 0.78rem;
  line-height: 1.55;
}
.sample-output {
  color: rgba(245, 227, 171, 0.82);
  font-size: 0.72rem;
  line-height: 1.45;
}
.sample-card-actions {
  margin-top: 12px;
}
.sample-card-actions button {
  width: 100%;
  min-height: 34px;
  border: 1px solid rgba(215, 189, 122, 0.22);
  border-radius: 999px;
  color: #07140f;
  background: linear-gradient(135deg, var(--zc-jade-soft, #9fe8ce), var(--zc-gold-soft, #f5e3ab));
  font-size: 0.78rem;
  font-weight: 840;
  cursor: pointer;
}
.sample-card-actions button:hover {
  filter: brightness(1.04);
}
.sample-result-section {
  width: min(1120px, calc(100vw - 32px));
  margin: 22px auto 42px;
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.22fr);
  gap: 20px;
  align-items: stretch;
}
.sample-result-copy {
  border: 1px solid rgba(244, 240, 231, 0.10);
  border-radius: 8px;
  padding: 26px;
  background: rgba(244, 240, 231, 0.045);
}
.sample-result-copy h2 {
  margin: 12px 0 10px;
  color: var(--zc-paper, #f4f0e7);
  font-size: clamp(1.24rem, 2vw, 1.75rem);
  line-height: 1.28;
}
.sample-result-copy p {
  margin: 0 0 18px;
  color: var(--zc-muted, #b8b2a6);
  font-size: 0.9rem;
  line-height: 1.72;
}
.sample-result-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border: 0;
  border-radius: 999px;
  color: #06130f;
  background: linear-gradient(135deg, var(--zc-jade-soft, #9fe8ce), var(--zc-gold-soft, #f5e3ab));
  font-size: 0.86rem;
  font-weight: 840;
  cursor: pointer;
}
.sample-result-board {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) 34px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  border: 1px solid rgba(215, 189, 122, 0.14);
  border-radius: 8px;
  padding: 16px;
  background: linear-gradient(140deg, rgba(244, 240, 231, 0.055), rgba(27, 140, 120, 0.055)), rgba(10, 17, 26, 0.66);
}
.sample-source-card,
.sample-asset-card {
  min-width: 0;
  height: 100%;
  border: 1px solid rgba(244, 240, 231, 0.10);
  border-radius: 8px;
  background: rgba(6, 12, 20, 0.58);
  overflow: hidden;
}
.sample-source-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.sample-source-card div {
  padding: 14px;
}
.sample-source-card span,
.sample-poster-mini span {
  display: block;
  color: rgba(245, 227, 171, 0.76);
  font-size: 0.68rem;
  font-weight: 780;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.sample-source-card strong {
  display: block;
  margin: 7px 0 6px;
  color: var(--zc-paper, #f4f0e7);
  font-size: 0.98rem;
  line-height: 1.35;
}
.sample-source-card p {
  margin: 0;
  color: var(--zc-muted, #b8b2a6);
  font-size: 0.76rem;
  line-height: 1.55;
}
.sample-arrow {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid rgba(215, 189, 122, 0.20);
  color: var(--zc-gold-soft, #f5e3ab);
  background: rgba(215, 189, 122, 0.08);
  font-weight: 800;
}
.sample-asset-card {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
}
.sample-poster-mini {
  min-height: 100%;
  padding: 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(160deg, rgba(12, 35, 31, 0.96), rgba(39, 31, 18, 0.92)), rgba(10, 17, 26, 0.9);
}
.sample-poster-mini b {
  display: block;
  margin: 18px 0;
  color: var(--zc-gold-soft, #f5e3ab);
  font-size: 1.7rem;
  line-height: 0.9;
  letter-spacing: 0.04em;
}
.sample-poster-mini strong {
  display: block;
  color: var(--zc-paper, #f4f0e7);
  font-size: 0.78rem;
  line-height: 1.42;
}
.sample-asset-detail {
  min-width: 0;
  padding: 14px;
}
.sample-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}
.sample-pill-row span {
  padding: 4px 7px;
  border-radius: 999px;
  color: var(--zc-jade-soft, #9fe8ce);
  background: rgba(27, 140, 120, 0.12);
  font-size: 0.68rem;
  font-weight: 740;
}
.sample-asset-detail ul {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.sample-asset-detail li {
  color: var(--zc-muted, #b8b2a6);
  font-size: 0.75rem;
  line-height: 1.56;
}
.sample-asset-detail b {
  color: var(--zc-paper, #f4f0e7);
}

.result-asset-card {
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
  padding: 18px;
  background:
    radial-gradient(circle at 14% 0%, rgba(215,189,122,.12), transparent 34%),
    linear-gradient(135deg, rgba(244,240,231,.055), rgba(27,140,120,.055)),
    rgba(9, 15, 23, .88) !important;
  border-color: rgba(215,189,122,.18) !important;
}
.result-asset-layout {
  display: grid;
  grid-template-columns: 178px minmax(0, 1fr);
  gap: 18px;
  align-items: stretch;
}
.result-asset-cover {
  min-height: 236px;
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid rgba(244,240,231,.14);
  background:
    linear-gradient(180deg, rgba(0,0,0,.02), rgba(0,0,0,.78)),
    linear-gradient(135deg, #0f5d50, #1b8c78 48%, #d7bd7a 49%, #111411);
  box-shadow: 0 24px 54px rgba(0,0,0,.28);
}
.result-asset-cover.has-thumb {
  background:
    linear-gradient(180deg, rgba(0,0,0,.05), rgba(0,0,0,.76)),
    var(--thumb);
  background-size: cover;
  background-position: center;
}
.result-asset-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 74% 16%, rgba(255,255,255,.24), transparent 18%),
    linear-gradient(115deg, transparent 0 36%, rgba(255,255,255,.14) 37%, transparent 47%);
}
.result-cover-source {
  position: absolute;
  z-index: 1;
  left: 12px;
  top: 12px;
  max-width: calc(100% - 24px);
  padding: 4px 8px;
  border-radius: 999px;
  color: var(--zc-paper, #f4f0e7);
  background: rgba(0,0,0,.36);
  border: 1px solid rgba(255,255,255,.18);
  font-size: 0.68rem;
  font-weight: 820;
}
.result-asset-cover strong {
  position: absolute;
  z-index: 1;
  right: 12px;
  top: 44px;
  padding: 4px 8px;
  border-radius: 999px;
  color: #07140f;
  background: linear-gradient(135deg, var(--zc-gold-soft, #f5e3ab), #fff1bd);
  font-size: 0.78rem;
  font-weight: 920;
}
.result-asset-cover b {
  position: absolute;
  z-index: 1;
  left: 12px;
  right: 12px;
  bottom: 16px;
  color: rgba(247,244,236,.22);
  font-size: 2.4rem;
  line-height: .9;
  letter-spacing: -.08em;
  text-transform: uppercase;
}
.result-asset-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.result-success-line {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  padding: 5px 9px;
  border-radius: 999px;
  color: var(--zc-jade-soft, #9fe8ce);
  background: rgba(27,140,120,.12);
  border: 1px solid rgba(27,140,120,.22);
  font-size: 0.76rem;
  font-weight: 840;
}
.result-asset-body h3 {
  margin: 12px 0 8px;
  color: var(--zc-paper, #f4f0e7);
  font-size: clamp(1.2rem, 2.2vw, 1.8rem);
  line-height: 1.18;
}
.result-asset-summary {
  margin: 0;
  color: var(--zc-muted, #b8b2a6);
  font-size: 0.9rem;
  line-height: 1.66;
}
.result-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}
.result-metrics span {
  min-width: 0;
  padding: 9px;
  border-radius: 8px;
  color: var(--zc-muted, #b8b2a6);
  background: rgba(244,240,231,.055);
  border: 1px solid rgba(244,240,231,.10);
  font-size: 0.72rem;
}
.result-metrics b {
  display: block;
  margin-bottom: 2px;
  color: var(--zc-paper, #f4f0e7);
  font-size: 0.95rem;
}
.result-next-step {
  display: grid;
  gap: 3px;
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--zc-muted, #b8b2a6);
  background: rgba(215,189,122,.07);
  border: 1px solid rgba(215,189,122,.14);
  font-size: 0.78rem;
}
.result-next-step strong {
  color: var(--zc-gold-soft, #f5e3ab);
}
.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 14px;
}

@media (max-width: 960px) {
  .sample-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .sample-result-section {
    grid-template-columns: 1fr;
  }
  .result-asset-layout {
    grid-template-columns: 150px minmax(0, 1fr);
  }
}

@media (max-width: 680px) {
  .sample-showcase-section {
    width: min(100% - 24px, 1120px);
    margin-top: 26px;
    padding: 18px;
  }
  .sample-showcase-head {
    display: block;
  }
  .sample-showcase-link {
    margin-top: 14px;
  }
  .sample-card-grid {
    grid-template-columns: 1fr;
  }
  .sample-card p {
    min-height: 0;
  }
  .sample-result-section {
    width: min(100% - 24px, 1120px);
    margin-bottom: 28px;
  }
  .sample-result-copy {
    padding: 20px;
  }
  .sample-result-board {
    grid-template-columns: 1fr;
  }
  .sample-arrow {
    margin: 0 auto;
    transform: rotate(90deg);
  }
  .sample-asset-card {
    grid-template-columns: 1fr;
  }
  .sample-poster-mini {
    min-height: 168px;
  }
  .result-asset-card {
    padding: 14px;
  }
  .result-asset-layout {
    grid-template-columns: 1fr;
  }
  .result-asset-cover {
    min-height: 190px;
  }
  .result-metrics {
    grid-template-columns: 1fr;
  }
  .result-actions .result-btn {
    width: 100%;
    justify-content: center;
  }
}