/* ============================================================
   墨韵转音 — 黑白水墨 · 白色玻璃拟态 · 宣纸质感 v5.0
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=ZCOOL+XiaoWei&display=swap');

:root {
  /* 宣纸背景 */
  --bg-paper: #F5F0E8;
  --bg-paper-light: #FAF7F2;
  --bg-warm: #F0EBE1;

  /* 水墨 */
  --ink-dark: #1A1A1A;
  --ink-mid: #555555;
  --ink-light: #8A8A8A;
  --ink-faint: #B8B0A8;
  --ink-ghost: #D5CFC6;

  /* 玻璃卡片 */
  --glass-bg: rgba(255, 255, 255, 0.58);
  --glass-bg-hover: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(17, 17, 17, 0.09);
  --glass-border-hover: rgba(17, 17, 17, 0.16);
  --glass-blur: 16px;
  --glass-shadow: 0 2px 20px rgba(0, 0, 0, 0.035);
  --glass-shadow-hover: 0 6px 28px rgba(0, 0, 0, 0.06);

  /* 印泥红（唯一强调色，面积 < 2%） */
  --accent: #C0392B;
  --accent-faint: rgba(192, 57, 43, 0.10);
  --accent-bg: rgba(192, 57, 43, 0.04);

  /* 圆角 */
  --r-card: 20px;
  --r-btn: 14px;
  --r-pill: 999px;
  --r-sm: 10px;

  /* 过渡 */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --t-fast: 0.15s;
  --t-normal: 0.25s;

  /* 字体 */
  --font-serif: 'ZCOOL XiaoWei', 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { height: 100%; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  min-height: 100%;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-dark);
  background: var(--bg-paper);
  overflow-x: hidden;
  position: relative;
}

/* ===== 宣纸纹理 ===== */
.paper-texture {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='5' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='400' height='400' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  background-size: 400px 400px;
  opacity: 0.8;
}

/* ===== 水墨晕染背景 ===== */
.ink-bg {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
}

.ink-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}

.ink-blob-1 {
  width: 700px; height: 500px;
  top: -10%; left: 5%;
  background: radial-gradient(ellipse, rgba(30,30,30,0.06), transparent 70%);
  animation: inkFloat1 35s ease-in-out infinite;
}

.ink-blob-2 {
  width: 500px; height: 400px;
  top: 30%; right: -5%;
  background: radial-gradient(ellipse, rgba(40,40,40,0.04), transparent 70%);
  animation: inkFloat2 40s ease-in-out infinite;
}

.ink-blob-3 {
  width: 800px; height: 350px;
  bottom: -5%; left: 25%;
  background: radial-gradient(ellipse, rgba(20,20,20,0.035), transparent 70%);
  animation: inkFloat3 45s ease-in-out infinite;
}

.ink-blob-4 {
  width: 400px; height: 300px;
  top: 60%; left: -5%;
  background: radial-gradient(ellipse, rgba(50,50,50,0.025), transparent 70%);
  animation: inkFloat4 50s ease-in-out infinite;
}

@keyframes inkFloat1 { 0%,100%{transform:translate(0,0) scale(1)} 50%{transform:translate(50px,30px) scale(1.06)} }
@keyframes inkFloat2 { 0%,100%{transform:translate(0,0) scale(1)} 50%{transform:translate(-40px,-20px) scale(1.08)} }
@keyframes inkFloat3 { 0%,100%{transform:translate(0,0) scale(1)} 50%{transform:translate(30px,-30px) scale(1.04)} }
@keyframes inkFloat4 { 0%,100%{transform:translate(0,0) scale(1)} 50%{transform:translate(20px,25px) scale(1.05)} }

/* ===== 滚动条 ===== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.10); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.18); }

/* ===== 玻璃卡片 ===== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-card);
  box-shadow: var(--glass-shadow);
  transition: box-shadow var(--t-normal) var(--ease), border-color var(--t-normal) var(--ease);
}

/* ===== 顶部导航 ===== */
.topbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(245, 240, 232, 0.65);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  border-bottom: 1px solid var(--glass-border);
}

.topbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 28px;
  height: 64px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex; align-items: center; gap: 12px;
}

.brand-icon {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 18px; font-weight: 700;
  color: var(--ink-dark);
  letter-spacing: 2px;
}

.brand-sub {
  font-size: 11px; color: var(--ink-light);
  background: rgba(0,0,0,0.04);
  padding: 3px 10px;
  border-radius: var(--r-pill);
  font-weight: 500;
}

.topbar-right {
  display: flex; align-items: center; gap: 12px;
}

.health-pill {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  font-size: 12px; color: var(--ink-mid);
  backdrop-filter: blur(10px);
}

.health-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--ink-light);
  transition: var(--t-normal);
}

.health-pill.online .health-dot {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-faint);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.35} }

/* ===== 用户按钮 ===== */
.btn-user {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  font-size: 13px; font-weight: 600;
  color: var(--ink-mid);
  cursor: pointer;
  transition: var(--t-fast);
}

.btn-user:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  color: var(--ink-dark);
}

.btn-user.logged-in {
  border-color: var(--accent-faint);
}

/* ===== Main ===== */
.main {
  position: relative; z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 36px 28px 60px;
}

/* ===== Hero ===== */
.hero {
  text-align: center;
  margin-bottom: 32px;
  position: relative;
}

.hero-illust {
  position: relative;
  height: 100px;
  margin-bottom: 8px;
  overflow: hidden;
}

.ink-mountain {
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
  display: block;
  opacity: 0.7;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 900;
  color: var(--ink-dark);
  letter-spacing: 4px;
  line-height: 1.3;
}

.hero-comma {
  font-family: var(--font-serif);
  color: var(--ink-light);
}

.hero-sub {
  margin-top: 12px;
  font-size: 15px;
  color: var(--ink-mid);
  max-width: 480px;
  margin-left: auto; margin-right: auto;
  line-height: 1.8;
  letter-spacing: 0.5px;
}

.hero-sub2 {
  margin-top: 6px;
  font-size: 12px;
  color: var(--ink-light);
  letter-spacing: 3px;
}

/* ===== Dropzone ===== */
.dropzone {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--t-normal) var(--ease), box-shadow var(--t-normal) var(--ease);
}

.dropzone-inner {
  position: relative; z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 52px 32px;
  gap: 12px;
  border: 1.5px dashed rgba(17, 17, 17, 0.15);
  border-radius: var(--r-card);
  transition: border-color var(--t-normal) var(--ease);
}

.dropzone:hover {
  transform: translateY(-2px);
  box-shadow: var(--glass-shadow-hover);
}

.dropzone:hover .dropzone-inner {
  border-color: rgba(17, 17, 17, 0.28);
}

/* 微交互1：拖拽悬停墨迹流动边框 */
.dropzone-glow {
  position: absolute; inset: -2px;
  border-radius: var(--r-card);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none; z-index: 0;
  background: conic-gradient(
    from 0deg,
    transparent 0%, rgba(17,17,17,0.05) 10%, rgba(17,17,17,0.14) 20%,
    rgba(17,17,17,0.05) 30%, transparent 40%, transparent 60%,
    rgba(17,17,17,0.05) 70%, rgba(17,17,17,0.14) 80%,
    rgba(17,17,17,0.05) 90%, transparent 100%
  );
  animation: inkRotate 4s linear infinite paused;
}

.dropzone.hover .dropzone-glow { opacity: 1; animation-play-state: running; }
.dropzone.hover .dropzone-inner { border-color: transparent; }
.dropzone.hover { transform: translateY(-3px); box-shadow: 0 10px 36px rgba(0,0,0,0.07); }

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

.dropzone-icon {
  opacity: 0.4;
  transition: opacity var(--t-normal), transform var(--t-normal);
}

.dropzone:hover .dropzone-icon {
  opacity: 0.7;
  transform: translateY(-5px);
}

.dropzone-text {
  font-family: var(--font-serif);
  font-size: 17px; font-weight: 700; color: var(--ink-dark);
  letter-spacing: 1px;
}

.dropzone-sub {
  font-size: 13px; color: var(--ink-light);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 22px;
  border-radius: var(--r-btn);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--ink-dark);
  font-size: 14px; font-weight: 600;
  cursor: pointer; user-select: none;
  transition: transform var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease),
              background var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
  position: relative;
  text-decoration: none;
  white-space: nowrap;
  backdrop-filter: blur(8px);
  font-family: var(--font-sans);
}

/* 微交互5：hover 抬升 + 阴影变柔 */
.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.05);
  border-color: var(--glass-border-hover);
  background: var(--glass-bg-hover);
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
}

.btn:disabled {
  opacity: 0.35; cursor: not-allowed; transform: none !important;
}

.btn-outline {
  background: transparent;
  border-color: rgba(17, 17, 17, 0.18);
  color: var(--ink-mid);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.5);
  border-color: rgba(17, 17, 17, 0.28);
  color: var(--ink-dark);
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--ink-light);
  padding: 10px 14px;
}

.btn-ghost:hover {
  color: var(--ink-dark);
  background: rgba(0, 0, 0, 0.03);
  border-color: transparent;
  box-shadow: none;
}

.btn-main {
  background: var(--ink-dark);
  border-color: var(--ink-dark);
  color: #fff;
  font-weight: 700;
  padding: 12px 28px;
  font-size: 15px;
}

.btn-main:hover {
  background: #333;
  border-color: #333;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
  color: #fff;
}

.btn-main:active {
  background: #111;
}

.btn-main-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.btn-accent {
  background: transparent;
  border-color: var(--accent-faint);
  color: var(--accent);
  font-weight: 600;
}

.btn-accent:hover {
  background: var(--accent-bg);
  border-color: rgba(192,57,43,0.2);
  color: var(--accent);
}

.btn-block { width: 100%; }
.btn-sm { padding: 7px 14px; font-size: 12px; border-radius: 12px; }

/* Loading */
.btn.loading { pointer-events: none; opacity: 0.55; }
.btn.loading::before {
  content: '';
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== 参数卡片 ===== */
.params-card {
  max-width: 960px;
  margin: 20px auto 0;
  padding: 22px 28px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
}

.params-left {
  display: flex; gap: 28px; flex-wrap: wrap; align-items: flex-end;
}

.params-right {
  display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
}

.param-group {
  display: flex; flex-direction: column; gap: 7px;
}

.param-label {
  font-size: 11px; font-weight: 700; color: var(--ink-light);
  text-transform: uppercase; letter-spacing: 1px;
}

/* ===== 自定义下拉 ===== */
.custom-select { position: relative; }

.select-trigger {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  border-radius: 14px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.5);
  color: var(--ink-dark);
  font-size: 14px; font-weight: 600;
  cursor: pointer;
  transition: var(--t-fast);
  min-width: 150px;
  justify-content: space-between;
  font-family: var(--font-sans);
}

.select-trigger:hover {
  border-color: var(--glass-border-hover);
  background: rgba(255,255,255,0.7);
}

.select-arrow {
  color: var(--ink-light);
  transition: transform var(--t-fast) var(--ease);
}

.custom-select.open .select-arrow { transform: rotate(180deg); }

.select-dropdown {
  position: absolute; top: calc(100% + 6px); left: 0;
  min-width: 280px;
  padding: 6px;
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity var(--t-normal) var(--ease), transform var(--t-normal) var(--ease);
  z-index: 50;
}

.custom-select.open .select-dropdown {
  opacity: 1; transform: translateY(0); pointer-events: auto;
}

.select-option {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  transition: background var(--t-fast);
  color: var(--ink-mid);
}

.select-option:hover { background: rgba(0, 0, 0, 0.04); }

.select-option.selected {
  background: rgba(0, 0, 0, 0.06);
  color: var(--ink-dark);
}

.opt-icon { flex-shrink: 0; opacity: 0.4; display: flex; }
.select-option.selected .opt-icon { opacity: 0.7; }
.opt-name { font-size: 14px; font-weight: 600; color: var(--ink-dark); }
.opt-desc { font-size: 11px; color: var(--ink-light); margin-top: 1px; }

/* ===== Stepper ===== */
.stepper {
  display: flex; align-items: center;
  border-radius: 14px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.5);
  overflow: hidden;
}

.stepper-btn {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: none; background: transparent;
  color: var(--ink-mid); cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
  font-family: var(--font-sans);
}

.stepper-btn:hover { background: rgba(0,0,0,0.05); color: var(--ink-dark); }
.stepper-btn:active { background: rgba(0,0,0,0.08); }

.stepper-value {
  width: 36px; text-align: center;
  font-size: 15px; font-weight: 700; color: var(--ink-dark);
  border-left: 1px solid var(--glass-border);
  border-right: 1px solid var(--glass-border);
  line-height: 40px;
}

/* ===== Segmented Pills ===== */
.seg-pills {
  display: flex;
  border-radius: 14px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.4);
  overflow: hidden;
}

.seg-pill {
  padding: 10px 18px;
  border: none; background: transparent;
  color: var(--ink-light);
  font-size: 13px; font-weight: 600;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast);
  font-family: var(--font-sans);
}

.seg-pill:first-child { border-right: 1px solid var(--glass-border); }
.seg-pill:hover { background: rgba(0,0,0,0.03); color: var(--ink-mid); }
.seg-pill.active { background: var(--ink-dark); color: #fff; }

/* ===== 权益提示条 ===== */
.tier-bar {
  max-width: 960px;
  margin: 14px auto 0;
  padding: 12px 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.tier-info {
  display: flex; align-items: center; gap: 10px;
}

.tier-badge {
  display: inline-flex; align-items: center;
  padding: 3px 12px;
  border-radius: var(--r-pill);
  font-size: 11px; font-weight: 700;
  background: rgba(0,0,0,0.05);
  color: var(--ink-mid);
  letter-spacing: 0.5px;
}

.tier-badge.pro {
  background: var(--accent-bg);
  color: var(--accent);
  border: 1px solid var(--accent-faint);
}

.tier-desc {
  font-size: 12px; color: var(--ink-light);
}

/* ===== 进度卡片 ===== */
.progress-card {
  max-width: 960px;
  margin: 16px auto 0;
  padding: 18px 24px;
}

.progress-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px;
}

.progress-info { display: flex; align-items: center; gap: 10px; }

.progress-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--ink-faint);
  transition: var(--t-normal);
}

.progress-dot.running { background: var(--ink-dark); animation: pulse 1.5s infinite; }
.progress-dot.done { background: var(--accent); }

.progress-status { font-size: 14px; font-weight: 600; color: var(--ink-dark); }
.progress-right { display: flex; align-items: center; gap: 16px; }
.progress-count { font-size: 13px; color: var(--ink-light); }

.progress-pct {
  font-size: 22px; font-weight: 800; color: var(--ink-dark);
  font-variant-numeric: tabular-nums;
}

.progress-track {
  height: 6px;
  border-radius: var(--r-pill);
  background: rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, #2A2A2A, #444);
  transition: width 0.5s var(--ease);
  position: relative;
  overflow: hidden;
}

/* 微交互3：胶囊进度条细粒子闪动 */
.progress-shimmer {
  position: absolute; inset: 0;
  background:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 128 8' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.5' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='128' height='8' filter='url(%23n)' opacity='0.12'/%3E%3C/svg%3E"),
    linear-gradient(90deg, transparent, rgba(255,255,255,0.12), transparent);
  background-size: 128px 8px, 200% 100%;
  animation: shimmer 2.5s linear infinite;
}

@keyframes shimmer {
  0% { background-position: 0 0, -200% 0; }
  100% { background-position: 0 0, 200% 0; }
}

/* ===== 列表区 ===== */
.list-grid {
  max-width: 960px;
  margin: 24px auto 0;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
}

.list-panel {
  display: flex; flex-direction: column;
  overflow: hidden;
}

.panel-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 22px;
  border-bottom: 1px solid rgba(17,17,17,0.05);
}

.panel-title {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-serif);
  font-size: 16px; font-weight: 700; color: var(--ink-dark);
  letter-spacing: 1px;
}

.panel-badge {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 26px; height: 26px; padding: 0 8px;
  border-radius: var(--r-pill);
  background: rgba(0, 0, 0, 0.04);
  font-size: 12px; font-weight: 700; color: var(--ink-light);
}

.panel-foot {
  padding: 16px 22px;
  border-top: 1px solid rgba(17,17,17,0.05);
}

/* ===== ZIP 进度 ===== */
.zip-progress {
  margin-top: 10px;
  display: flex; align-items: center; gap: 12px;
}

.zip-progress-track {
  flex: 1; height: 4px;
  border-radius: var(--r-pill);
  background: rgba(0,0,0,0.05);
  overflow: hidden;
}

.zip-progress-fill {
  height: 100%;
  border-radius: var(--r-pill);
  background: var(--ink-dark);
  transition: width 0.3s;
  width: 0%;
}

.zip-progress-text {
  font-size: 11px; color: var(--ink-light); white-space: nowrap;
}

.zip-hint {
  margin-top: 8px;
  font-size: 11px; color: var(--ink-light); text-align: center;
}

/* ===== 文件列表 ===== */
.file-list {
  flex: 1;
  padding: 10px;
  display: flex; flex-direction: column; gap: 8px;
  max-height: 460px;
  overflow-y: auto;
}

.file-list.empty-state {
  display: flex; align-items: center; justify-content: center;
  min-height: 180px;
  padding: 40px 20px;
}

.empty-placeholder {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--ink-light); font-size: 13px;
}

.empty-sub { font-size: 11px; color: var(--ink-faint); }

/* ===== 文件条目 ===== */
.file-item {
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(17,17,17,0.05);
  background: rgba(255,255,255,0.30);
  transition: border-color var(--t-fast), background var(--t-fast);
  animation: fadeSlideIn 0.3s var(--ease) both;
}

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

.file-item:hover { border-color: rgba(17,17,17,0.10); background: rgba(255,255,255,0.45); }
.file-item.converting { border-color: rgba(17,17,17,0.12); }
.file-item.done { border-color: rgba(192,57,43,0.10); }
.file-item.error { border-color: rgba(139,0,0,0.12); }

.file-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.file-info { flex: 1; min-width: 0; }

.file-name {
  font-weight: 700; font-size: 13px; color: var(--ink-dark);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.file-meta { display: flex; align-items: center; gap: 6px; margin-top: 5px; flex-wrap: wrap; }
.file-actions { display: flex; gap: 6px; align-items: center; flex-shrink: 0; }

/* ===== Tags ===== */
.tag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  font-size: 11px; font-weight: 600;
  border: 1px solid rgba(17,17,17,0.06);
  background: rgba(255,255,255,0.45);
  color: var(--ink-light);
}

.tag-done { color: var(--accent); border-color: var(--accent-faint); background: var(--accent-bg); }
.tag-active { color: var(--ink-dark); border-color: rgba(17,17,17,0.12); background: rgba(17,17,17,0.04); }
.tag-error { color: #8B0000; border-color: rgba(139,0,0,0.12); background: rgba(139,0,0,0.03); }

/* ===== 文件进度条 ===== */
.file-progress { margin-top: 10px; }

.file-bar {
  height: 3px;
  border-radius: var(--r-pill);
  background: rgba(0, 0, 0, 0.04);
  overflow: hidden;
}

.file-bar-fill {
  height: 100%;
  border-radius: var(--r-pill);
  background: var(--ink-dark);
  transition: width 0.5s var(--ease);
}

.file-bar-fill.done { background: var(--accent); }
.file-bar-fill.error { background: #8B0000; }

/* ===== 移除按钮 ===== */
.remove-btn {
  width: 28px; height: 28px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink-light);
  cursor: pointer;
  display: grid; place-items: center;
  transition: var(--t-fast);
}

.remove-btn:hover {
  border-color: rgba(17,17,17,0.10);
  background: rgba(0,0,0,0.03);
  color: var(--ink-dark);
}

/* ===== 下载条目 ===== */
.dl-item {
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(17,17,17,0.05);
  background: rgba(255,255,255,0.30);
  transition: var(--t-fast);
  animation: fadeSlideIn 0.3s var(--ease) both;
}

.dl-item:hover { border-color: rgba(17,17,17,0.10); background: rgba(255,255,255,0.45); }
.dl-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.dl-info { flex: 1; min-width: 0; }

.dl-name {
  font-weight: 700; font-size: 13px; color: var(--ink-dark);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.dl-meta { display: flex; gap: 6px; margin-top: 5px; }

/* ===== Pricing ===== */
.pricing-section {
  max-width: 960px;
  margin: 48px auto 0;
  text-align: center;
}

.pricing-header { margin-bottom: 28px; }

.pricing-title {
  font-family: var(--font-serif);
  font-size: 26px; font-weight: 900;
  color: var(--ink-dark);
  letter-spacing: 3px;
}

.pricing-sub {
  margin-top: 8px;
  font-size: 14px; color: var(--ink-mid);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
}

.pricing-card {
  padding: 28px 22px;
  text-align: center;
  transition: transform var(--t-fast), box-shadow var(--t-fast);
  cursor: pointer;
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--glass-shadow-hover);
}

.pricing-card.popular {
  border-color: var(--accent-faint);
}

.pricing-card.popular::before {
  content: '推荐';
  position: absolute; top: -10px; right: 16px;
  padding: 2px 10px;
  border-radius: var(--r-pill);
  background: var(--accent);
  color: #fff;
  font-size: 10px; font-weight: 700;
  letter-spacing: 1px;
}

.pricing-name {
  font-family: var(--font-serif);
  font-size: 16px; font-weight: 700;
  color: var(--ink-dark);
  letter-spacing: 1px;
}

.pricing-price {
  margin-top: 12px;
  font-size: 32px; font-weight: 900;
  color: var(--ink-dark);
  font-variant-numeric: tabular-nums;
}

.pricing-price .currency { font-size: 16px; font-weight: 600; }
.pricing-price .unit { font-size: 13px; font-weight: 500; color: var(--ink-light); }

.pricing-desc {
  margin-top: 10px;
  font-size: 13px; color: var(--ink-mid);
  line-height: 1.6;
}

.pricing-btn {
  margin-top: 18px;
}

/* ===== 提示 ===== */
.tips-row {
  max-width: 960px;
  margin: 32px auto 0;
  display: flex; gap: 16px; flex-wrap: wrap;
}

.tip-item {
  flex: 1; min-width: 260px;
  display: flex; align-items: flex-start; gap: 10px;
  padding: 14px 18px;
  border-radius: 14px;
  font-size: 12px; color: var(--ink-light); line-height: 1.6;
}

.tip-item svg { flex-shrink: 0; margin-top: 1px; }

.tip-item code {
  padding: 2px 7px;
  border-radius: 6px;
  background: rgba(0,0,0,0.04);
  border: 1px solid rgba(17,17,17,0.06);
  font-size: 11px; color: var(--ink-mid);
}

/* ===== Footer ===== */
.footer {
  margin-top: 48px;
  text-align: center;
  position: relative;
}

.footer-ink {
  position: absolute; bottom: 100%; left: 0; right: 0;
  pointer-events: none;
}

.footer-ink svg { width: 100%; display: block; }

.footer-text {
  font-family: var(--font-serif);
  font-size: 12px; color: var(--ink-faint);
  letter-spacing: 2px;
  padding: 16px 0;
}

/* ===== Toast（微交互4） ===== */
.toast-wrap {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 300;
  opacity: 0;
  transform: translateY(12px) scale(0.96);
  pointer-events: none;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease);
}

.toast-wrap.show {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.toast-inner {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px;
  min-width: 200px;
  border-radius: 16px;
}

.toast-check {
  display: flex; align-items: center;
  color: var(--accent);
}

.toast-check .check-path {
  stroke-dasharray: 20;
  stroke-dashoffset: 20;
  transition: stroke-dashoffset 0.4s var(--ease) 0.1s;
}

.toast-wrap.show .toast-check .check-path { stroke-dashoffset: 0; }

.toast-text { font-size: 14px; font-weight: 600; color: var(--ink-dark); }

.toast-wrap.warning .toast-check { color: var(--ink-mid); }
.toast-wrap.error .toast-check { color: #8B0000; }
.toast-wrap.info .toast-check { color: var(--ink-mid); }

/* ===== 弹窗 ===== */
.modal-overlay {
  position: fixed; inset: 0;
  z-index: 200;
  background: rgba(245, 240, 232, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.25s var(--ease);
}

.modal-overlay.show {
  display: flex;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  position: relative;
  width: 100%;
  max-width: 420px;
  padding: 32px;
  animation: modalSlideIn 0.3s var(--ease);
  background: rgba(255,255,255,0.80);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
}

.modal-wide { max-width: 560px; }

@keyframes modalSlideIn {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 32px; height: 32px;
  border: none; background: transparent;
  font-size: 22px; color: var(--ink-light);
  cursor: pointer;
  display: grid; place-items: center;
  border-radius: 8px;
  transition: var(--t-fast);
}

.modal-close:hover { background: rgba(0,0,0,0.04); color: var(--ink-dark); }

.modal-header { margin-bottom: 24px; }

.modal-title {
  font-family: var(--font-serif);
  font-size: 22px; font-weight: 700;
  color: var(--ink-dark);
  letter-spacing: 1px;
}

.modal-sub {
  margin-top: 6px;
  font-size: 13px; color: var(--ink-mid);
}

.modal-body { display: flex; flex-direction: column; gap: 16px; }

/* ===== 表单 ===== */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 12px; font-weight: 700; color: var(--ink-mid); }

.form-input {
  padding: 11px 16px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.6);
  font-size: 14px; color: var(--ink-dark);
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  font-family: var(--font-sans);
}

.form-input:focus {
  border-color: var(--glass-border-hover);
  box-shadow: 0 0 0 3px rgba(0,0,0,0.03);
}

.form-input::placeholder { color: var(--ink-faint); }

.form-row {
  flex-direction: row;
  align-items: flex-end;
  gap: 10px;
}

.form-flex { flex: 1; display: flex; flex-direction: column; gap: 6px; }

.btn-send-code {
  white-space: nowrap;
  height: 42px;
}

.form-mock-tip {
  padding: 10px 14px;
  border-radius: 10px;
  background: rgba(192,57,43,0.04);
  border: 1px solid var(--accent-faint);
  font-size: 12px; color: var(--accent);
  font-weight: 600;
}

/* ===== 支付弹窗 ===== */
.pay-body { align-items: center; text-align: center; }

.pay-amount {
  font-size: 36px; font-weight: 900;
  color: var(--ink-dark);
  font-variant-numeric: tabular-nums;
}

.pay-qr {
  padding: 24px;
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.5);
}

.pay-qr-mock {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}

.pay-qr-tip { font-size: 11px; color: var(--ink-faint); }

.pay-note { font-size: 11px; color: var(--ink-faint); }

/* ===== 个人中心 ===== */
.profile-info {
  display: flex; flex-direction: column; gap: 10px;
  padding: 16px;
  border-radius: 14px;
  border: 1px solid rgba(17,17,17,0.05);
  background: rgba(255,255,255,0.3);
}

.profile-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 4px 0;
}

.profile-label { font-size: 13px; color: var(--ink-light); }
.profile-val { font-size: 13px; font-weight: 700; color: var(--ink-dark); }

.profile-section { margin-top: 8px; }

.profile-section-title {
  font-family: var(--font-serif);
  font-size: 14px; font-weight: 700;
  color: var(--ink-dark);
  margin-bottom: 10px;
  letter-spacing: 1px;
}

.profile-orders {
  max-height: 200px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 6px;
}

.order-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid rgba(17,17,17,0.05);
  background: rgba(255,255,255,0.3);
  font-size: 12px;
}

.order-name { font-weight: 600; color: var(--ink-dark); }
.order-amount { color: var(--ink-mid); }
.order-status { font-weight: 600; }
.order-status.paid { color: var(--accent); }

.profile-actions {
  display: flex; gap: 10px; margin-top: 8px;
}

/* ===== Paywall Plans ===== */
.paywall-plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.paywall-plan {
  padding: 20px 16px;
  border-radius: 16px;
  border: 1px solid rgba(17,17,17,0.06);
  background: rgba(255,255,255,0.35);
  text-align: center;
  cursor: pointer;
  transition: var(--t-fast);
}

.paywall-plan:hover {
  border-color: rgba(17,17,17,0.12);
  background: rgba(255,255,255,0.5);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.04);
}

.paywall-plan.popular { border-color: var(--accent-faint); }

.paywall-plan-name {
  font-family: var(--font-serif);
  font-size: 14px; font-weight: 700;
  color: var(--ink-dark);
}

.paywall-plan-price {
  margin-top: 8px;
  font-size: 24px; font-weight: 900;
  color: var(--ink-dark);
}

.paywall-plan-desc {
  margin-top: 6px;
  font-size: 11px; color: var(--ink-light);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .main { padding: 24px 16px 40px; }
  .hero-title { font-size: 28px; letter-spacing: 2px; }
  .hero-illust { height: 70px; }
  .dropzone-inner { padding: 40px 20px; }
  .params-card {
    flex-direction: column; align-items: stretch;
    padding: 18px 20px;
  }
  .params-left { flex-direction: column; gap: 16px; }
  .params-right { justify-content: stretch; flex-wrap: wrap; }
  .params-right .btn { flex: 1; min-width: 120px; }
  .list-grid { grid-template-columns: 1fr; }
  .tips-row { flex-direction: column; }
  .progress-card { padding: 16px 18px; }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .paywall-plans { grid-template-columns: repeat(2, 1fr); }
  .brand-sub { display: none; }
}

@media (max-width: 480px) {
  .topbar-inner { padding: 0 16px; }
  .hero-title { font-size: 24px; }
  .hero-sub { font-size: 13px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .paywall-plans { grid-template-columns: 1fr; }
  .modal { padding: 24px; }
}