@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap");

:root {
  --brand: #00ddaa;
  --ink: #0d0d0d;
  --body: #555555;
  --border: #e8e8e8;
}

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

html {
  scroll-behavior: smooth;
}

html,
body {
  height: 100%;
  font-family: Inter, sans-serif;
  color: var(--ink);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100%;
}

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

button {
  font: inherit;
}

img,
svg {
  display: block;
  max-width: 100%;
}

::-webkit-scrollbar {
  width: 0;
  background: transparent;
}

/* ─── Nav ─────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: var(--border);
  backdrop-filter: blur(12px);
}

.site-header__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  font-family: Inter, sans-serif;
  color: inherit;
  text-align: left;
}

.brand__name {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.5px;
}

.brand__tag {
  font-size: 12px;
  font-weight: 400;
  color: #999;
  letter-spacing: 0.5px;
  margin-top: 3px;
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: 0.1px;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--brand);
}

/* ─── Shared ──────────────────────────────────────────── */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.eyebrow__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
}

.eyebrow__line {
  width: 24px;
  height: 1px;
  background: var(--brand);
}

.eyebrow__text {
  font-size: 12px;
  font-weight: 500;
  color: var(--brand);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  font-family: Inter, sans-serif;
  letter-spacing: 0.2px;
}

.btn-cta.is-disabled {
  cursor: default;
  opacity: 1;
  pointer-events: none;
}

/* ─── Hero ────────────────────────────────────────────── */
.hero {
  padding: 160px 24px 120px;
  max-width: 1120px;
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin: 32px 0 24px;
}

.hero__lead {
  font-size: 18px;
  font-weight: 400;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 420px;
}

.hero-mock-wrap {
  position: relative;
}

.hero-float {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--ink);
  color: #fff;
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 12px;
  font-weight: 500;
  font-family: Inter, sans-serif;
}

.hero-float span {
  color: var(--brand);
}

.hero-mock {
  background: #f6fdfb;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
}

.hero-mock__label {
  font-size: 11px;
  font-weight: 500;
  color: #999;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.todo-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 6px;
  border: 1px solid transparent;
}

.todo-row.is-active {
  background: rgba(0, 221, 170, 0.08);
  border-color: rgba(0, 221, 170, 0.25);
}

.todo-check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--border);
}

.todo-check.is-done {
  border: none;
  background: var(--brand);
}

.todo-check.is-active {
  border-color: var(--brand);
}

.todo-time {
  font-size: 11px;
  color: #aaa;
  font-weight: 500;
  min-width: 36px;
}

.todo-task {
  font-size: 13px;
  color: var(--body);
  flex: 1;
}

.todo-task.is-done {
  color: #aaa;
  text-decoration: line-through;
}

.todo-task.is-active {
  color: var(--ink);
  font-weight: 600;
}

.todo-dur {
  font-size: 11px;
  color: #bbb;
}

.progress-block {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 11px;
  color: #999;
}

.progress-meta strong {
  font-weight: 600;
  color: var(--brand);
}

.progress-track {
  height: 4px;
  background: #eee;
  border-radius: 99px;
  overflow: hidden;
}

.progress-fill {
  width: 40%;
  height: 100%;
  background: var(--brand);
  border-radius: 99px;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-mock-wrap {
    display: none;
  }
}

/* ─── Positioning ─────────────────────────────────────── */
.positioning {
  padding: 96px 24px;
  background: #f9f9f9;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.positioning__inner {
  max-width: 640px;
  margin: 0 auto;
}

.positioning__q {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 400;
  color: var(--ink);
  line-height: 1.6;
  letter-spacing: -0.5px;
}

.positioning__a {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.6;
  letter-spacing: -0.5px;
  margin-top: 8px;
}

.positioning__tag {
  font-size: 18px;
  font-weight: 400;
  color: var(--body);
  margin-top: 20px;
  line-height: 1.7;
}

/* ─── Features ────────────────────────────────────────── */
.features {
  padding: 96px 24px;
  max-width: 1120px;
  margin: 0 auto;
}

.features__head {
  text-align: center;
  margin-bottom: 64px;
}

.features__head .eyebrow {
  margin-bottom: 16px;
}

.features__head h2 {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -1px;
}

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

.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
}

.feature-card__icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(0, 221, 170, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.feature-card p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.7;
}

@media (max-width: 900px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* ─── Widget ──────────────────────────────────────────── */
.widget {
  padding: 96px 24px;
  background: #f9f9f9;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.widget-grid {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.widget-copy {
  padding-left: 48px;
}

.widget .eyebrow {
  margin-bottom: 24px;
}

.widget h2 {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -1px;
  margin-bottom: 20px;
  line-height: 1.2;
}

.widget__lead {
  font-size: 16px;
  color: var(--body);
  line-height: 1.75;
  max-width: 440px;
}

.widget-bullets {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.widget-bullets li {
  display: flex;
  align-items: center;
  gap: 12px;
  list-style: none;
  font-size: 14px;
  color: var(--body);
}

.widget-bullets li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
  flex-shrink: 0;
}

.phone-stage {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone {
  width: 240px;
  height: 480px;
  background: #1a1a1a;
  border-radius: 40px;
  padding: 16px 12px;
  position: relative;
  overflow: hidden;
  z-index: 2;
}

.phone__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  z-index: 0;
}

.phone__status {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  padding: 4px 8px 12px;
  font-size: 10px;
  color: #fff;
  font-weight: 600;
}

.phone__battery {
  width: 14px;
  height: 8px;
  border: 1px solid #fff;
  border-radius: 2px;
  position: relative;
}

.phone__battery::after {
  content: "";
  position: absolute;
  inset: 1px;
  width: 70%;
  background: #fff;
  border-radius: 1px;
}

.phone-glass {
  position: relative;
  z-index: 1;
  margin: 60px 8px 0;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

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

.phone-glass__brand {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.5);
}

.phone-glass__title {
  font-size: 12px;
  font-weight: 600;
  color: #fff;
}

.phone-glass__ring {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: conic-gradient(var(--brand) 0deg 144deg, rgba(255, 255, 255, 0.15) 144deg 360deg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-glass__ring::after {
  content: "";
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(26, 26, 46, 0.9);
}

.phone-task {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.phone-task__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.phone-task__dot.is-done {
  border: none;
  background: var(--brand);
}

.phone-task__dot.is-active {
  border-color: var(--brand);
}

.phone-task__name {
  font-size: 11px;
  color: #fff;
  font-weight: 400;
}

.phone-task__name.is-done {
  color: rgba(255, 255, 255, 0.4);
  text-decoration: line-through;
}

.phone-task__name.is-active {
  font-weight: 600;
}

.phone-glass__foot {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.phone-glass__bar {
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 99px;
  overflow: hidden;
}

.phone-glass__bar > span {
  display: block;
  width: 40%;
  height: 100%;
  background: var(--brand);
  border-radius: 99px;
}

.phone-glass__meta {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-size: 9px;
}

.phone-glass__meta span:first-child {
  color: rgba(255, 255, 255, 0.4);
}

.phone-glass__meta span:last-child {
  color: var(--brand);
}

.float-card {
  position: absolute;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.07);
  z-index: 3;
  font-family: Inter, sans-serif;
}

.float-card--next {
  top: 20px;
  right: 0;
  min-width: 160px;
}

.float-card--progress {
  bottom: 40px;
  right: 0;
}

.float-card__label {
  font-size: 10px;
  color: #aaa;
  margin-bottom: 6px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.float-card__title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 4px;
}

.float-card__row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--body);
}

.float-card__row .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
}

.float-card__pct {
  display: flex;
  align-items: center;
  gap: 10px;
}

.float-card__pct-num {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -1px;
}

.float-card__pct-bar {
  height: 4px;
  width: 80px;
  background: #eee;
  border-radius: 99px;
  overflow: hidden;
}

.float-card__pct-bar > span {
  display: block;
  width: 40%;
  height: 100%;
  background: var(--brand);
  border-radius: 99px;
}

.float-card__pct-sub {
  font-size: 10px;
  color: #aaa;
  margin-top: 4px;
}

@media (max-width: 900px) {
  .widget-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .widget-copy {
    padding-left: 0;
  }

  .float-card {
    display: none;
  }
}

/* ─── Voice ───────────────────────────────────────────── */
.voice {
  padding: 96px 24px;
  max-width: 1120px;
  margin: 0 auto;
}

.voice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.voice-card {
  background: #f9f9f9;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.voice-card__accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--brand);
  border-radius: 16px 16px 0 0;
}

.voice-card__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.voice-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.voice-card__name {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

.voice-card__sub {
  font-size: 11px;
  color: #aaa;
  margin-top: 2px;
}

.voice-wave {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 3px;
}

.voice-wave span {
  width: 3px;
  border-radius: 99px;
  background: var(--brand);
  opacity: 0.74;
}

.voice-wave span:nth-child(1) { height: 10px; }
.voice-wave span:nth-child(2) { height: 18px; opacity: 0.78; }
.voice-wave span:nth-child(3) { height: 14px; opacity: 0.82; }
.voice-wave span:nth-child(4) { height: 22px; opacity: 0.86; }
.voice-wave span:nth-child(5) { height: 12px; opacity: 0.9; }
.voice-wave span:nth-child(6) { height: 16px; opacity: 0.94; }
.voice-wave span:nth-child(7) { height: 8px; opacity: 0.98; }

.voice-card blockquote {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.65;
}

.voice-player {
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: #aaa;
}

.voice-player__bar {
  flex: 1;
  height: 4px;
  background: #eee;
  border-radius: 99px;
  overflow: hidden;
}

.voice-player__bar > span {
  display: block;
  width: 35%;
  height: 100%;
  background: var(--brand);
}

.voice .eyebrow {
  margin-bottom: 16px;
}

.voice h2 {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -1px;
  margin-bottom: 20px;
  line-height: 1.2;
}

.voice p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.75;
  margin-bottom: 20px;
}

.voice p:last-child {
  font-size: 15px;
  margin-bottom: 0;
}

@media (max-width: 900px) {
  .voice-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

/* ─── Footer ──────────────────────────────────────────── */
.site-footer {
  background: var(--ink);
  padding: 48px 24px;
}

.site-footer__inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.site-footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 32px;
}

.site-footer__brand-name {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.5px;
  margin-bottom: 4px;
}

.site-footer__brand-tag {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}

.site-footer__cols {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.site-footer__col-title {
  font-size: 11px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.site-footer__cols a {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 8px;
  transition: color 0.2s;
}

.site-footer__cols a:hover {
  color: #fff;
}

.site-footer__rule {
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.35);
}

.site-footer__bottom a {
  color: var(--brand);
  opacity: 0.85;
}

.site-footer__bottom a:hover {
  opacity: 1;
}

/* ─── Legal ───────────────────────────────────────────── */
.legal {
  padding: 100px 0 96px;
}

/* 备案用法律页：无顶栏底栏，正文直接顶上 */
body.legal-bare .legal {
  padding: 48px 0 64px;
}

.legal-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

.legal-wrap__head {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.legal-wrap__head .eyebrow {
  margin-bottom: 20px;
}

.legal-wrap h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 16px;
}

.legal-wrap__meta {
  font-size: 14px;
  color: #999;
  margin: 0;
}

.legal-wrap h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin: 40px 0 12px;
  letter-spacing: -0.3px;
}

.legal-wrap p {
  font-size: 15px;
  color: var(--body);
  line-height: 1.8;
  margin: 0 0 12px;
}

.legal-wrap ul {
  margin: 0 0 12px;
  padding-left: 20px;
}

.legal-wrap ul li {
  font-size: 15px;
  color: var(--body);
  line-height: 1.8;
  margin-bottom: 6px;
}

.legal-wrap a {
  color: var(--brand);
}

.legal-wrap table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 14px;
}

.legal-wrap th {
  background: #f4f4f4;
  color: var(--ink);
  font-weight: 600;
  padding: 10px 14px;
  text-align: left;
  border: 1px solid var(--border);
}

.legal-wrap td {
  padding: 10px 14px;
  color: var(--body);
  border: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.6;
}

.legal-wrap .highlight {
  background: rgba(0, 221, 170, 0.06);
  border-left: 3px solid var(--brand);
  padding: 14px 18px;
  border-radius: 0 8px 8px 0;
  margin: 16px 0;
}

.legal-wrap .highlight p {
  margin: 0;
}

@media (max-width: 600px) {
  .legal-wrap table,
  .legal-wrap thead,
  .legal-wrap tbody,
  .legal-wrap th,
  .legal-wrap td,
  .legal-wrap tr {
    display: block;
  }

  .legal-wrap thead {
    display: none;
  }

  .legal-wrap td {
    border-top: none;
    padding: 6px 12px;
  }

  .legal-wrap tr {
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 12px;
    padding: 8px 0;
  }
}