/* ============================================================
   人生自律清单 · wondership.cn — 概念原型
   设计系统：暖白画布 / 珊瑚强调 / 编辑式衬线大标题 / soft-editorial
   字体栈仅使用系统字体，保持单文件离线可交付
   ============================================================ */

:root {
  /* 色彩 */
  --canvas: #FBFAF7;
  --band: #F4F1EA;
  --stage: #FBEADF;
  --card: #FFFFFF;
  --ink: #16181D;
  --sub: #5D564F;
  --muted: #6E665C;
  --accent: #F26B5E;
  --accent-deep: #C23A2F;
  --sun: #F2B84B;
  --mint: #BFDCC9;
  --line: #DED7CD;
  --line-strong: #D8D0C4;
  --on-accent: #16181D;
  --on-ink: #FFFFFF;

  /* 字体 */
  --font-display: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", Georgia, "Times New Roman", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;

  /* 圆角 */
  --radius-xl: 36px;
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --radius-pill: 999px;

  /* 阴影（克制） */
  --shadow-sm: 0 1px 2px rgba(22, 24, 29, 0.05);
  --shadow-md: 0 2px 4px rgba(22, 24, 29, 0.04), 0 18px 44px -26px rgba(22, 24, 29, 0.28);
  --shadow-pop: 0 2px 6px rgba(22, 24, 29, 0.05), 0 10px 24px -14px rgba(22, 24, 29, 0.24);

  /* 动效 */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.33, 1, 0.68, 1);
  --duration-entrance: 640ms;
  --duration-state: 200ms;
  --section-y: clamp(72px, 9vw, 128px);
}

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

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

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

button {
  font-family: inherit;
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid rgba(194, 58, 47, 0.4);
  outline-offset: 2px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--on-ink);
  padding: 10px 18px;
  border-radius: 0 0 var(--radius-sm) 0;
  font-size: 14px;
  z-index: 100;
}

.skip-link:focus {
  left: 0;
}

/* ---------- Layout ---------- */
.container {
  width: min(1180px, 100% - clamp(32px, 6vw, 72px));
  margin-inline: auto;
}

main {
  display: block;
}

.band {
  padding-block: var(--section-y);
}

.band-head {
  max-width: 760px;
  margin-bottom: clamp(36px, 5vw, 56px);
}

.band-head.center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--accent-deep);
  text-transform: uppercase;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.band-head h2 {
  font-size: clamp(34px, 4.4vw, 54px);
}

.band-lead {
  margin: 18px 0 0;
  font-size: clamp(17px, 1.6vw, 19px);
  line-height: 1.8;
  color: var(--sub);
  max-width: 640px;
}

.band-head.center .band-lead {
  margin-inline: auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  padding: 11px 22px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.01em;
  transition:
    transform var(--duration-state) var(--ease-soft),
    box-shadow var(--duration-state) var(--ease-soft),
    background-color var(--duration-state) var(--ease-soft),
    border-color var(--duration-state) var(--ease-soft),
    color var(--duration-state) var(--ease-soft);
}

.btn svg {
  flex: none;
}

.btn-lg {
  padding: 15px 28px;
  font-size: 16px;
}

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 10px 24px -14px rgba(194, 58, 47, 0.55);
}

.btn-primary:hover {
  background: var(--accent-deep);
  color: var(--on-ink);
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -14px rgba(194, 58, 47, 0.6);
}

.btn-ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--card);
  border-color: var(--line-strong);
  color: var(--ink);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}

.btn:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none;
}

.btn-arrow {
  transition: transform var(--duration-state) var(--ease-soft);
}

.btn-primary:hover .btn-arrow {
  transform: translateX(3px);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 250, 247, 0.82);
  -webkit-backdrop-filter: saturate(1.5) blur(14px);
  backdrop-filter: saturate(1.5) blur(14px);
  border-bottom: 1px solid rgba(216, 208, 196, 0.7);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding-block: 10px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 13px;
  background: var(--card);
  box-shadow: var(--shadow-sm), 0 0 0 1px var(--line);
  flex: none;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
  min-width: 0;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand-domain {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.site-nav a {
  position: relative;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--sub);
  padding: 6px 2px;
  transition: color var(--duration-state) var(--ease-soft);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-state) var(--ease);
}

.site-nav a:hover {
  color: var(--ink);
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.btn-header {
  padding: 9px 18px;
  font-size: 14px;
}

/* ---------- Hero ---------- */
.band-hero {
  position: relative;
  padding-top: clamp(56px, 8vw, 104px);
  padding-bottom: clamp(56px, 8vw, 104px);
  overflow: hidden;
}

.hero-orbit {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.orbit {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid var(--line);
}

.orbit-a {
  width: 560px;
  height: 560px;
  top: -220px;
  right: -180px;
}

.orbit-b {
  width: 240px;
  height: 240px;
  top: 40px;
  right: 240px;
  border-color: rgba(242, 184, 75, 0.32);
}

.dot {
  position: absolute;
  border-radius: 50%;
}

.dot-a {
  width: 12px;
  height: 12px;
  background: var(--sun);
  top: 236px;
  right: 430px;
}

.dot-b {
  width: 8px;
  height: 8px;
  background: var(--mint);
  top: 120px;
  right: 300px;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(0, 0.97fr);
  gap: clamp(40px, 6vw, 72px);
  align-items: center;
}

.hero-copy {
  max-width: 640px;
}

#hero-title {
  font-size: clamp(42px, 5.4vw, 68px);
  line-height: 1.14;
}

.hl {
  position: relative;
  white-space: nowrap;
  background-image: linear-gradient(120deg, rgba(242, 107, 94, 0.18) 0%, rgba(242, 107, 94, 0.18) 100%);
  background-repeat: no-repeat;
  background-size: 100% 0.44em;
  background-position: 0 0.72em;
  border-radius: 8px;
  padding-inline: 4px;
}

.hero-lead {
  margin: 26px 0 0;
  font-size: clamp(17px, 1.7vw, 19.5px);
  line-height: 1.85;
  color: var(--sub);
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 34px;
}

.hero-note {
  margin: 20px 0 0;
  font-size: 13px;
  color: var(--muted);
}

/* Hero stage */
.hero-stage {
  position: relative;
}

.stage-glint {
  position: absolute;
  width: 260px;
  height: 260px;
  top: -70px;
  right: -50px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 184, 75, 0.35) 0%, rgba(242, 184, 75, 0) 68%);
  pointer-events: none;
}

.media-card {
  position: relative;
  margin: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.media-card img {
  width: 100%;
  height: auto;
}

.media-card figcaption {
  padding: 12px 18px;
  font-size: 12.5px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  line-height: 1.6;
}

.concept-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  background: rgba(22, 24, 29, 0.72);
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.hero-media {
  transform: rotate(-1.2deg);
  transition: transform 480ms var(--ease);
}

.hero-stage:hover .hero-media {
  transform: rotate(0deg) translateY(-6px);
}

.stage-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.float-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 10px 16px 10px 12px;
  box-shadow: var(--shadow-sm);
  font-size: 13.5px;
  color: var(--sub);
  white-space: nowrap;
  transition:
    transform var(--duration-state) var(--ease-soft),
    border-color var(--duration-state) var(--ease-soft),
    box-shadow var(--duration-state) var(--ease-soft);
}

.float-badge:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-pop);
}

.float-badge strong {
  color: var(--ink);
  font-size: 14.5px;
}

.badge-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(242, 107, 94, 0.16);
  color: var(--accent-deep);
}

.scroll-hint {
  margin-top: clamp(44px, 6vw, 72px);
  text-align: center;
}

.scroll-hint-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
  transition: color var(--duration-state) var(--ease-soft);
}

.scroll-hint-link:hover {
  color: var(--ink);
}

/* ---------- Why ---------- */
.band-why {
  border-top: 1px solid var(--line);
}

.flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 48px);
  counter-reset: flow;
}

.flow-item {
  position: relative;
  border-top: 1px solid var(--line-strong);
  padding-top: 30px;
}

.flow-step {
  display: block;
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  color: rgba(194, 58, 47, 0.72);
  letter-spacing: 0.02em;
  margin-bottom: 22px;
}

.flow-item h3 {
  font-size: 21px;
  margin-bottom: 10px;
}

.flow-item p {
  margin: 0;
  color: var(--sub);
  font-size: 15.5px;
  line-height: 1.8;
}

/* ---------- Mechanism ---------- */
.band-mechanism {
  background: var(--band);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 24px);
}

.feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 24px 26px;
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--duration-state) var(--ease-soft),
    border-color var(--duration-state) var(--ease-soft),
    box-shadow var(--duration-state) var(--ease-soft);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(194, 58, 47, 0.4);
  box-shadow: var(--shadow-pop);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 16px;
  background: rgba(191, 220, 201, 0.42);
  color: var(--accent-deep);
  margin-bottom: 22px;
  transition: transform var(--duration-state) var(--ease);
}

.feature-card:nth-child(4n + 2) .feature-icon {
  background: rgba(242, 184, 75, 0.2);
}

.feature-card:nth-child(4n + 3) .feature-icon {
  background: rgba(242, 107, 94, 0.12);
}

.feature-card:nth-child(4n + 4) .feature-icon {
  background: rgba(216, 208, 196, 0.42);
}

.feature-card:hover .feature-icon {
  transform: translateY(-3px) scale(1.04);
}

.feature-index {
  position: absolute;
  top: 22px;
  right: 22px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
  opacity: 0.7;
}

.feature-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}

.feature-card p {
  margin: 0;
  color: var(--sub);
  font-size: 14.5px;
  line-height: 1.75;
}

/* Template panel */
.template-panel {
  margin-top: clamp(40px, 6vw, 64px);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: clamp(26px, 4vw, 40px);
  box-shadow: var(--shadow-sm);
}

.template-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.template-head h3 {
  font-size: clamp(21px, 2.4vw, 26px);
}

.template-lead {
  margin: 10px 0 24px;
  color: var(--sub);
  font-size: 15px;
  max-width: 660px;
  line-height: 1.8;
}

.template-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.template-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px 9px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-strong);
  background: var(--card);
  color: var(--sub);
  font-size: 14px;
  font-weight: 600;
  transition:
    background-color var(--duration-state) var(--ease-soft),
    border-color var(--duration-state) var(--ease-soft),
    color var(--duration-state) var(--ease-soft),
    transform var(--duration-state) var(--ease-soft);
}

.template-chip:hover {
  border-color: var(--ink);
  color: var(--ink);
  transform: translateY(-1px);
}

.template-chip.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 8px 18px -12px rgba(194, 58, 47, 0.6);
}

/* Demo card */
.mechanism-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
  margin-top: clamp(40px, 6vw, 72px);
}

.demo-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 3vw, 30px);
  box-shadow: var(--shadow-md);
}

.demo-window {
  display: flex;
  gap: 6px;
  margin-bottom: 18px;
}

.demo-window span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid rgba(22, 24, 29, 0.08);
}

.demo-window span:nth-child(1),
.demo-window span:nth-child(2),
.demo-window span:nth-child(3) {
  background: var(--line-strong);
}

.demo-kicker {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--accent-deep);
  text-transform: uppercase;
}

.demo-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.demo-head h3 {
  font-size: 22px;
}

.demo-progress {
  flex: none;
  margin: 0;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: var(--band);
  color: var(--accent-deep);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.demo-progress-track {
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--band);
  overflow: hidden;
  margin-bottom: 20px;
}

.demo-progress-bar {
  height: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--accent), var(--accent-deep));
  transition: width 520ms var(--ease);
}

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

.demo-task {
  margin: 0;
}

.demo-task label {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition:
    background-color var(--duration-state) var(--ease-soft),
    border-color var(--duration-state) var(--ease-soft);
}

.demo-task label:hover {
  background: var(--canvas);
  border-color: var(--line);
}

.demo-check {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.check-ui {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex: none;
  border-radius: 7px;
  border: 1.5px solid var(--line-strong);
  background: var(--card);
  color: transparent;
  transition:
    background-color var(--duration-state) var(--ease-soft),
    border-color var(--duration-state) var(--ease-soft),
    color var(--duration-state) var(--ease-soft),
    transform var(--duration-state) var(--ease-soft);
}

.demo-check:checked + label .check-ui {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
  color: #FFFFFF;
  transform: scale(1.06);
}

.demo-check:focus-visible + label {
  outline: 3px solid rgba(194, 58, 47, 0.4);
  outline-offset: 2px;
}

.task-text {
  font-size: 15.5px;
  font-weight: 500;
  color: var(--ink);
  transition: color var(--duration-state) var(--ease-soft);
}

.demo-check:checked + label .task-text {
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-color: var(--accent-deep);
  text-decoration-thickness: 2px;
}

.demo-check:checked + label .check-ui {
  animation: check-pop 300ms var(--ease);
}

@keyframes check-pop {
  0% {
    transform: scale(0.85);
  }
  60% {
    transform: scale(1.12);
  }
  100% {
    transform: scale(1.06);
  }
}

.demo-task-copied .check-ui {
  border-style: dashed;
}

.demo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
}

.demo-actions .btn {
  padding: 9px 16px;
  font-size: 13.5px;
}

.demo-tip {
  margin: 14px 0 0;
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.7;
}

/* ---------- Urgency ---------- */
.band-urgency {
  background: linear-gradient(180deg, var(--stage) 0%, rgba(251, 234, 223, 0.55) 100%);
}

.urgency-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.countdown-calc {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: clamp(24px, 4vw, 36px);
  box-shadow: var(--shadow-md);
}

.countdown-calc h3 {
  font-size: 23px;
  margin-bottom: 20px;
}

.calc-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  gap: 12px;
  align-items: end;
}

.calc-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.calc-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
}

.calc-field input {
  width: 100%;
  min-width: 0;
  padding: 11px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--ink);
  font-size: 15px;
  font-family: inherit;
  transition:
    border-color var(--duration-state) var(--ease-soft),
    box-shadow var(--duration-state) var(--ease-soft);
}

.calc-field input:hover {
  border-color: var(--muted);
}

.calc-field input:focus {
  outline: none;
  border-color: var(--accent-deep);
  box-shadow: 0 0 0 4px rgba(194, 58, 47, 0.14);
}

.calc-hint {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}

.calc-form .btn {
  padding: 11px 20px;
  white-space: nowrap;
}

.calc-result {
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px dashed var(--line);
}

.calc-ring-wrap {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 28px);
}

.calc-ring {
  position: relative;
  width: 132px;
  height: 132px;
  flex: none;
}

.calc-ring svg {
  width: 132px;
  height: 132px;
  transform: rotate(-90deg);
}

.ring-track {
  stroke: var(--line);
}

.ring-bar {
  stroke: url(#ringGrad);
  filter: drop-shadow(0 2px 5px rgba(194, 58, 47, 0.28));
  transition: stroke-dashoffset 900ms var(--ease);
}

.ring-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
}

.calc-numbers {
  min-width: 0;
}

.calc-number {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-display);
  font-size: clamp(38px, 4vw, 50px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
}

.calc-number small {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  color: var(--sub);
}

.calc-caption {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--sub);
}

.calc-progress-text {
  margin: 12px 0 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-deep);
  letter-spacing: 0.03em;
}

.concept-note {
  margin: 18px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- Witness ---------- */
.band-witness {
  border-bottom: none;
}

.concept-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
}

.concept-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--duration-state) var(--ease-soft),
    border-color var(--duration-state) var(--ease-soft);
}

.concept-list li:hover {
  transform: translateY(-4px);
  border-color: rgba(194, 58, 47, 0.35);
}

.concept-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  flex: none;
  border-radius: 15px;
  background: rgba(242, 184, 75, 0.24);
  color: var(--accent-deep);
}

.concept-list li:nth-child(2) .concept-icon {
  background: rgba(191, 220, 201, 0.6);
}

.concept-list li span {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--sub);
}

.concept-list li strong {
  display: block;
  font-size: 16.5px;
  color: var(--ink);
  margin-bottom: 6px;
}

.concept-note {
  text-align: center;
}

.band-witness .concept-note {
  margin-top: 24px;
}

.witness-action {
  margin-top: clamp(32px, 5vw, 48px);
  text-align: center;
}

/* ---------- Privacy ---------- */
.band-privacy {
  background: var(--band);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.privacy-modes {
  margin-bottom: clamp(36px, 5vw, 56px);
}

.privacy-modes li:nth-child(1) .concept-icon {
  background: rgba(242, 107, 94, 0.14);
}

.privacy-modes li:nth-child(2) .concept-icon {
  background: rgba(191, 220, 201, 0.6);
}

.privacy-modes li:nth-child(3) .concept-icon {
  background: rgba(242, 184, 75, 0.26);
}

.default-tag {
  display: inline-block;
  margin-left: 9px;
  padding: 2px 9px;
  border-radius: var(--radius-pill);
  background: rgba(242, 107, 94, 0.14);
  color: var(--accent-deep);
  font-family: var(--font-body);
  font-size: 11.5px;
  font-style: normal;
  font-weight: 700;
  letter-spacing: 0.06em;
  vertical-align: 2px;
}

.privacy-demo {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

.privacy-col {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 3vw, 30px);
  box-shadow: var(--shadow-sm);
}

.privacy-col-head {
  margin-bottom: 22px;
}

.privacy-col-head h3 {
  font-size: clamp(19px, 2.1vw, 23px);
}

.privacy-col-lead {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--sub);
}

/* 我的清单 · 可见性控件 */
.visibility-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.visibility-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--canvas);
  transition:
    border-color var(--duration-state) var(--ease-soft),
    background-color var(--duration-state) var(--ease-soft);
}

.visibility-item.is-public {
  border-color: rgba(242, 107, 94, 0.42);
  background: rgba(242, 107, 94, 0.05);
}

.visibility-item.is-witness {
  border-color: rgba(242, 184, 75, 0.5);
  background: rgba(242, 184, 75, 0.08);
}

.visibility-name {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 15px;
  font-weight: 600;
}

.visibility-mark {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--muted);
  box-shadow: 0 0 0 3px rgba(110, 102, 92, 0.14);
}

.visibility-item.is-public .visibility-mark {
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(242, 107, 94, 0.18);
}

.visibility-item.is-witness .visibility-mark {
  background: var(--sun);
  box-shadow: 0 0 0 3px rgba(242, 184, 75, 0.3);
}

.vis-control {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
}

.vis-option {
  padding: 6px 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: var(--card);
  color: var(--sub);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.5;
  transition:
    background-color var(--duration-state) var(--ease-soft),
    border-color var(--duration-state) var(--ease-soft),
    color var(--duration-state) var(--ease-soft),
    transform var(--duration-state) var(--ease-soft);
}

.vis-option:hover {
  border-color: var(--ink);
  color: var(--ink);
  transform: translateY(-1px);
}

.vis-option[aria-checked="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--canvas);
  box-shadow: 0 8px 16px -12px rgba(22, 24, 29, 0.6);
}

/* 社区发现页镜像 */
.community-pool {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.pool-group-title {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-deep);
}

.pool-group-title.is-muted {
  color: var(--muted);
}

.pool-group-title.is-sun {
  color: #8A6113;
}

.pool-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--canvas);
}

.pool-card + .pool-card {
  margin-top: 10px;
}

.pool-card-main {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.pool-card-name {
  font-size: 14.5px;
  font-weight: 600;
}

.pool-tag {
  align-self: flex-start;
  padding: 2px 9px;
  border-radius: var(--radius-pill);
  background: rgba(242, 107, 94, 0.13);
  color: var(--accent-deep);
  font-size: 11.5px;
  font-weight: 700;
}

.pool-copy {
  flex: none;
  padding: 7px 15px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: var(--card);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  transition:
    border-color var(--duration-state) var(--ease-soft),
    background-color var(--duration-state) var(--ease-soft),
    color var(--duration-state) var(--ease-soft);
}

.pool-copy:hover {
  border-color: var(--ink);
}

.pool-copy:disabled {
  border-color: var(--line);
  background: var(--band);
  color: var(--muted);
  cursor: default;
}

.pool-locked {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 14px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  background: rgba(244, 241, 234, 0.72);
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.7;
}

.pool-locked svg {
  flex: none;
  margin-top: 2px;
  color: var(--muted);
}

.pool-locked.is-sun {
  border-color: rgba(242, 184, 75, 0.62);
  background: rgba(242, 184, 75, 0.1);
  color: #7C5A15;
}

.pool-locked.is-sun svg {
  color: #8A6113;
}

.pool-empty {
  margin: 0;
  padding: 12px 14px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.7;
}

.privacy-summary {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--sub);
}

.privacy-summary strong {
  color: var(--ink);
}

/* 隐私规则 */
.privacy-rules,
.daily-rules {
  margin-top: clamp(28px, 4vw, 44px);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: clamp(24px, 3.4vw, 36px);
  box-shadow: var(--shadow-sm);
}

.privacy-rules h3,
.daily-rules h3 {
  font-size: clamp(19px, 2.1vw, 23px);
  margin-bottom: 16px;
}

.privacy-rules ul,
.daily-rules ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px clamp(20px, 3vw, 36px);
}

.privacy-rules li,
.daily-rules li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--sub);
}

.privacy-rules li::before,
.daily-rules li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--accent);
}

.band-privacy .concept-note {
  margin-top: clamp(24px, 3.5vw, 34px);
}

/* ---------- Daily reminder ---------- */
.band-daily {
  border-bottom: none;
}

.daily-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.daily-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: clamp(24px, 4vw, 34px);
  box-shadow: var(--shadow-md);
}

.daily-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.daily-head h3 {
  font-size: 22px;
}

.daily-card .demo-task label {
  background: var(--canvas);
  border-color: var(--line);
}

.remind-block {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px dashed var(--line);
}

.remind-label {
  margin: 0 0 12px;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.remind-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.remind-chip {
  padding: 7px 15px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: var(--card);
  color: var(--sub);
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.5;
  transition:
    background-color var(--duration-state) var(--ease-soft),
    border-color var(--duration-state) var(--ease-soft),
    color var(--duration-state) var(--ease-soft),
    transform var(--duration-state) var(--ease-soft);
}

.remind-chip:hover {
  border-color: var(--ink);
  color: var(--ink);
  transform: translateY(-1px);
}

.remind-chip[aria-checked="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--canvas);
  box-shadow: 0 8px 16px -12px rgba(22, 24, 29, 0.6);
}

.remind-note {
  margin: 14px 0 0;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.7;
  color: var(--accent-deep);
}

.band-daily .concept-note {
  margin-top: clamp(24px, 3.5vw, 34px);
}

/* ---------- CTA ---------- */
.band-cta {
  background: var(--ink);
  color: #FFFFFF;
}

.cta-inner {
  text-align: center;
  max-width: 760px;
}

.cta-inner .eyebrow {
  color: var(--accent);
}

.cta-inner h2 {
  color: #FFFFFF;
  font-size: clamp(34px, 4.6vw, 56px);
}

.cta-inner .band-lead {
  color: rgba(251, 250, 247, 0.74);
  margin-inline: auto;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-top: 34px;
}

.cta-actions .btn-ghost {
  border-color: rgba(251, 250, 247, 0.4);
  color: #FFFFFF;
}

.cta-actions .btn-ghost:hover {
  border-color: #FFFFFF;
}

.boundary-wrap {
  margin-top: clamp(48px, 7vw, 80px);
  padding-top: 28px;
  border-top: 1px solid rgba(251, 250, 247, 0.16);
}

.boundary-note {
  max-width: 860px;
  margin-inline: auto;
  text-align: center;
}

.boundary-note h3 {
  font-size: 16px;
  color: rgba(251, 250, 247, 0.92);
  margin-bottom: 10px;
}

.boundary-note p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(251, 250, 247, 0.6);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--canvas);
  border-top: 1px solid var(--line);
  padding-block: 40px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}

.footer-brand {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.footer-line {
  margin: 0;
  font-size: 13.5px;
  color: var(--sub);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.footer-nav a {
  font-size: 13.5px;
  color: var(--sub);
  transition: color var(--duration-state) var(--ease-soft);
}

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

.footer-legal {
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--muted);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 100;
  max-width: min(560px, calc(100vw - 40px));
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  background: var(--ink);
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  text-align: center;
  box-shadow: 0 18px 40px -16px rgba(22, 24, 29, 0.5);
  opacity: 0;
  transform: translate(-50%, 16px);
  pointer-events: none;
  transition:
    opacity 320ms var(--ease-soft),
    transform 320ms var(--ease-soft);
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- Reveal ---------- */
.has-js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity var(--duration-entrance) var(--ease),
    transform var(--duration-entrance) var(--ease);
  transition-delay: calc(var(--delay, 0) * 90ms);
}

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

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .concept-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .site-nav {
    gap: 20px;
  }
}

@media (max-width: 960px) {
  .hero-grid,
  .urgency-grid,
  .mechanism-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-copy {
    max-width: none;
  }

  .hero-stage {
    max-width: 640px;
    margin-inline: auto;
    width: 100%;
  }

  .urgency-grid .urgency-copy {
    order: 1;
  }

  .urgency-media {
    order: 2;
    max-width: 640px;
    width: 100%;
    margin-inline: auto;
  }

  .mechanism-row .mechanism-media {
    max-width: 640px;
    width: 100%;
    margin-inline: auto;
  }

  .demo-card {
    max-width: 640px;
    width: 100%;
    margin-inline: auto;
  }

  .privacy-demo {
    grid-template-columns: minmax(0, 1fr);
  }

  .daily-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .daily-card,
  .daily-rules {
    max-width: 640px;
    width: 100%;
    margin-inline: auto;
  }

  .privacy-col {
    max-width: 640px;
    width: 100%;
    margin-inline: auto;
  }
}

@media (max-width: 820px) {
  .site-nav {
    gap: 16px;
  }

  .site-nav a {
    font-size: 14px;
  }
}

@media (max-width: 760px) {
  .site-nav {
    display: none;
  }

  .header-inner {
    min-height: 64px;
  }

  .flow-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }

  .concept-list {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 560px) {
  .feature-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .privacy-rules ul,
  .daily-rules ul {
    grid-template-columns: minmax(0, 1fr);
  }

  .visibility-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .calc-form {
    grid-template-columns: minmax(0, 1fr);
  }

  .calc-ring-wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  .template-head {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .has-js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-media,
  .hero-stage:hover .hero-media {
    transform: none;
  }
}