/* 独立静态站的全部样式，不依赖博客 Layout 或外部字体/动画库。 */
img {
  height: auto;
}
h2[id],
h3[id],
section[id] {
  scroll-margin-top: 32px;
}
:root {
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --paper: #fff;
  --soft: #f5f5f7;
  --blue: #0071e3;
  --cyan: #008cab;
  --line: #dedee3;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue",
    "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  font: inherit;
}
a {
  color: inherit;
  text-decoration: none;
}
img,
video {
  max-width: 100%;
  display: block;
}
figure,
h1,
h2,
h3,
p {
  margin: 0;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: default;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 5px;
}
.wrap {
  width: min(1120px, calc(100% - 80px));
  margin-inline: auto;
}
.skip-link {
  position: fixed;
  left: 20px;
  top: -100px;
  z-index: 100;
  background: white;
  padding: 12px 20px;
  border-radius: 20px;
}
.skip-link:focus {
  top: 12px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid rgba(0, 0, 0, 0.07);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}
.nav {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 650;
  letter-spacing: -0.5px;
  white-space: nowrap;
}
/* App 图标始终是圆角矩形，圆角随显示尺寸一起缩放。 */
img[src$="icon.webp"] {
  border-radius: 23%;
}
.brand small {
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  margin-left: 3px;
}
.nav-links {
  display: flex;
  gap: 28px;
  margin-left: auto;
  font-size: 12px;
}
.nav-links a {
  transition: color 0.2s;
}
.nav-links a:hover {
  color: var(--blue);
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--blue);
  color: white;
  border-radius: 999px;
  padding: 13px 24px;
  font-size: 16px;
  font-weight: 500;
  transition:
    background 0.25s,
    transform 0.25s var(--ease);
  border: 0;
}
.button:hover {
  background: #0077ed;
  transform: translateY(-2px);
}
.button-small {
  font-size: 12px;
  padding: 8px 15px;
}
.text-link {
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 16px;
  border: 0;
  background: none;
  padding: 0;
}
.text-link:hover {
  text-decoration: underline;
}
.eyebrow {
  font-size: 16px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
}
h1 {
  font-size: clamp(64px, 7.5vw, 102px);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.065em;
}
h2 {
  font-size: clamp(38px, 4.4vw, 60px);
  line-height: 1.15;
  letter-spacing: -0.045em;
  font-weight: 650;
}
h3 {
  font-size: 30px;
  line-height: 1.25;
  letter-spacing: -0.03em;
  font-weight: 650;
}
.accent {
  color: var(--cyan);
}
.muted {
  color: #86868b;
}
.mobile-break {
  display: none;
}
.hero {
  background: linear-gradient(#fff 12%, #f3f9fa 100%);
  overflow: hidden;
  padding-top: 82px;
}
.hero-copy {
  text-align: center;
  position: relative;
  z-index: 2;
}
.hero-description {
  font-size: 21px;
  font-weight: 500;
  line-height: 1.7;
  color: var(--muted);
  margin-top: 28px;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 27px;
  margin-top: 28px;
}
.fineprint {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
}
.hero-copy > .fineprint {
  margin-top: 15px;
}
.hero-stage {
  height: 710px;
  max-width: 1200px;
  position: relative;
  margin: 64px auto 0;
}
.hero-orbit {
  position: absolute;
  width: 900px;
  height: 450px;
  border-radius: 50%;
  background: radial-gradient(ellipse, #cbe6e8, transparent 70%);
  left: 50%;
  top: 90px;
  transform: translateX(-50%);
}
.phone {
  overflow: hidden;
  border-radius: 40px;
  background: #151518;
  border: 7px solid #252529;
  box-shadow:
    0 0 0 1px #66666c,
    0 24px 55px rgba(25, 31, 37, 0.18);
  width: 276px;
  flex-shrink: 0;
}
.phone img {
  width: 100%;
  height: auto;
}
.hero-phone {
  position: absolute;
  width: 280px;
  top: 0;
  left: 50%;
  will-change: transform;
}
.hero-center {
  z-index: 3;
  transform: translateX(-50%);
  width: 300px;
}
.hero-left {
  top: 90px;
  transform: translateX(calc(-50% - 258px)) rotate(-8deg);
  z-index: 2;
}
.hero-right {
  top: 90px;
  transform: translateX(calc(-50% + 258px)) rotate(8deg);
  z-index: 1;
}
.stage-label {
  position: absolute;
  top: 40px;
  font-size: 15px;
  color: var(--muted);
  font-weight: 550;
}
.stage-label-left {
  left: 16%;
  transform: rotate(-8deg);
}
.stage-label-right {
  right: 15%;
  transform: rotate(8deg);
}
.compatibility {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding-block: 36px;
  border-bottom: 1px solid var(--line);
}
.compatibility > div {
  display: flex;
  flex-direction: column;
  gap: 5px;
  text-align: center;
  border-right: 1px solid var(--line);
}
.compatibility > div:last-child {
  border: 0;
}
.compatibility strong {
  font-size: 23px;
  letter-spacing: -0.035em;
}
.compatibility span {
  font-size: 12px;
  color: var(--muted);
}
.intro {
  padding-block: 130px 85px;
}
.section-description {
  font-size: 20px;
  line-height: 1.65;
  color: var(--muted);
  font-weight: 500;
  margin-top: 26px;
}
.surface {
  background: var(--soft);
  border-radius: 36px;
}
.feature-home {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 760px;
  overflow: hidden;
  padding: 64px 64px 0;
  gap: 40px;
}
.feature-copy {
  align-self: center;
  padding-bottom: 50px;
}
.section-index {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.12em;
  margin-bottom: 27px;
}
.feature-copy > p {
  font-size: 18px;
  color: var(--muted);
  line-height: 1.85;
  margin-top: 25px;
  max-width: 450px;
}
.feature-copy .detail-note {
  font-size: 12px;
  margin-top: 17px;
}
.segmented {
  display: inline-flex;
  border-radius: 999px;
  padding: 4px;
  background: #e6e6ea;
  margin-top: 30px;
  gap: 4px;
}
.segmented button {
  border: 0;
  border-radius: 999px;
  padding: 10px 19px;
  color: var(--muted);
  background: transparent;
  font-size: 13px;
  transition:
    background 0.25s,
    color 0.25s,
    box-shadow 0.25s;
}
.segmented button.is-active {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 2px 8px #00000010;
}
.home-visual {
  position: relative;
  align-self: end;
  height: 640px;
  display: flex;
  justify-content: center;
}
.feature-phone {
  width: 286px;
  position: relative;
  z-index: 2;
  align-self: start;
  transition: transform 0.7s var(--ease);
}
.soft-disc {
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: #e3e4f1;
  position: absolute;
  top: 50px;
}
.floating-note {
  position: absolute;
  bottom: 100px;
  left: -30px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  z-index: 3;
  padding: 18px 22px;
  border-radius: 20px;
  font-size: 14px;
  box-shadow: 0 12px 35px #0000000b;
}
.note-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #38a875;
  margin-right: 8px;
}
.essentials {
  padding-block: 130px;
}
.section-heading {
  margin-bottom: 50px;
}
.tiny-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 20px;
}
.two-up {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.feature-tile {
  background: var(--soft);
  border-radius: 32px;
  position: relative;
  height: 850px;
  overflow: hidden;
  padding: 48px 46px 0;
}
.tile-copy {
  position: relative;
  z-index: 3;
}
.tile-copy p {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.7;
  margin-top: 18px;
  max-width: 340px;
}
.tile-phone {
  margin: 40px auto 0;
  width: 270px;
}
.image-note {
  display: block;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.6;
}
.feature-tile > .image-note {
  position: absolute;
  bottom: 0;
  background: var(--soft);
  width: 100%;
  left: 0;
  text-align: center;
  padding: 13px 12px;
}
.timetable-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 70px;
  padding: 70px;
}
.timetable-art {
  padding: 0;
}
.timetable-phone {
  width: min(300px, 100%);
  margin: auto;
  transform: rotate(-3deg);
}
.timetable-section .feature-copy {
  padding: 0;
}
.course-details {
  padding-block: 100px 120px;
}
.course-detail-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  padding: 42px 36px 28px;
}
.course-detail-card .tile-copy {
  align-self: stretch;
  min-height: 195px;
}
.course-detail-card .phone {
  width: min(260px, 100%);
}
.course-detail-card .image-note {
  text-align: center;
  max-width: 330px;
}
.course-tools {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  padding: 65px 28px 0;
}
.course-tools h3 {
  font-size: 27px;
}
.course-tools p {
  margin-top: 15px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}
.inline-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}
.inline-pills span {
  padding: 7px 13px;
  background: #e8e8ed;
  color: #55555b;
  font-size: 12px;
  border-radius: 999px;
}
.next-section {
  padding-block: 60px 70px;
  text-align: center;
}
.next-scene {
  --next-phone-width: 300px;
  --next-phone-left: 8%;
  position: relative;
  max-width: 760px;
  height: 700px;
  margin: 65px auto 0;
  isolation: isolate;
}
.next-scene::before {
  content: "";
  position: absolute;
  inset: 10% 0;
  background: radial-gradient(ellipse, #e6eaf5, transparent 68%);
  z-index: -1;
}
.next-phone {
  position: absolute;
  width: var(--next-phone-width);
  top: 0;
  left: var(--next-phone-left);
  transform: rotate(-5deg);
}
.next-lens {
  position: absolute;
  width: 360px;
  aspect-ratio: 1;
  top: 210px;
  right: 5%;
  border: 5px solid #f9fafc;
  border-radius: 50%;
  overflow: hidden;
  background: #a3a8be;
  box-shadow:
    0 0 0 1px #d6dae2,
    0 25px 60px #30365330;
  z-index: 2;
}
/* 放大同一张首页截图中的真实卡片，中心对准原图 y=38.6% 的位置。 */
.next-lens img {
  position: absolute;
  width: 126%;
  max-width: none;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -38.6%);
}
.next-connector {
  position: absolute;
  left: calc(var(--next-phone-left) + var(--next-phone-width) * 0.5);
  top: calc(var(--next-phone-width) * 0.83);
  width: 250px;
  height: 3px;
  background: #c0c9dd;
  transform: rotate(24deg);
  transform-origin: left center;
  z-index: 1;
}
.next-connector::before {
  content: "";
  position: absolute;
  left: -8px;
  top: -7px;
  width: 17px;
  height: 17px;
  border: 2px solid #e4eafa;
  border-radius: 50%;
}
.next-caption {
  position: absolute;
  top: 605px;
  right: 5%;
  width: 360px;
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}
.calendar-section {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: center;
  gap: 65px;
  padding: 65px;
  margin-bottom: 100px;
}
.calendar-section .feature-copy {
  padding: 0;
}
.calendar-phone {
  width: 265px;
  margin: auto;
  transform: rotate(4deg);
}
.more-basics {
  text-align: center;
  padding-bottom: 130px;
}
.more-basics h3 {
  font-size: 24px;
}
.tool-list {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 30px 0 20px;
}
.tool-list span {
  padding: 12px 19px;
  background: var(--soft);
  border-radius: 999px;
  font-size: 14px;
  color: #55555b;
}
.native-world {
  background: #090a0c;
  color: #f5f5f7;
  overflow: hidden;
}
.design-section {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  align-items: center;
  gap: 70px;
  padding-block: 115px 100px;
  border-bottom: 1px solid #292a30;
}
.design-section .feature-copy {
  padding: 0;
}
.glass-word {
  color: #b7c9fa;
}
.design-visual {
  position: relative;
  padding-block: 20px 45px;
}
.design-visual::before {
  content: "";
  position: absolute;
  inset: 5% -25%;
  background: radial-gradient(ellipse, #777bc329, transparent 65%);
  pointer-events: none;
}
.design-device-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}
.design-device-pair .phone {
  width: 100%;
  max-width: 235px;
  margin-inline: auto;
}
.design-device-pair .phone:first-child {
  transform: translateY(30px) rotate(-5deg);
}
.design-device-pair .phone:last-child {
  transform: rotate(5deg);
}
.design-caption {
  display: block;
  margin-top: 36px;
  text-align: center;
  color: #9b9ca5;
  font-size: 13px;
}
.native-intro {
  padding-block: 140px 100px;
}
.native-world .eyebrow {
  color: #9fbaac;
}
.native-intro h2 {
  font-size: clamp(50px, 6.2vw, 84px);
  line-height: 1.12;
}
.native-intro h2 > span {
  color: #a7d5c0;
}
.native-world .section-description,
.native-world .feature-copy > p {
  color: #999a9f;
}
.native-feature {
  display: grid;
  grid-template-columns: 0.95fr 1.25fr;
  align-items: center;
  gap: 60px;
  padding-block: 30px 120px;
}
.native-feature .feature-copy {
  padding: 0;
  min-width: 0;
}
.screen-gallery {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  min-width: 0;
  overflow-x: auto;
  padding: 12px 4px 30px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: #42434b transparent;
}
.gallery-item {
  flex: 0 0 calc(50% - 10px);
  min-width: 0;
  scroll-snap-align: start;
}
.gallery-item .phone {
  width: 100%;
  max-width: 248px;
  margin-inline: auto;
  border-width: 6px;
  border-radius: 36px;
}
.gallery-item figcaption {
  margin-top: 22px;
  text-align: center;
  font-size: 11px;
  color: #9b9ca5;
}
.gallery-hint {
  display: none;
}
.beta-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  vertical-align: 2px;
  margin-left: 4px;
  padding: 2px 7px;
  border: 1px solid #59746d;
  border-radius: 6px;
}
.selection-section {
  padding-top: 40px;
}
.widgets-section {
  padding-bottom: 120px;
}
.native-world .tiny-label {
  color: #a7d5c0;
}
.widget-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.widget-card {
  background: #17181c;
  border-radius: 30px;
  padding: 38px;
  overflow: hidden;
}
.widget-card h3 {
  font-size: 25px;
}
.widget-card p {
  font-size: 15px;
  color: #98999f;
  margin-top: 9px;
}
.widget-number {
  display: block;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: #74767d;
  margin-bottom: 14px;
}
.widget-card img {
  width: 100%;
  margin-top: 30px;
}
/* 真实截图内含屏幕壁纸；按组件轮廓裁掉外沿，不用另一个小圆角框遮盖。 */
.widget-card .small-widget {
  width: 240px;
  max-width: 100%;
  margin: 35px auto 0;
  clip-path: inset(3px round 21%);
}
.widget-card-large {
  grid-row: span 2;
}
.widget-card-large img {
  margin-top: 42px;
  clip-path: inset(2px round 10% / 9.6%);
}
.widget-card-wide img {
  clip-path: inset(2px round 10.5% / 22.3%);
}
.lock-widget {
  grid-column: 1/-1;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
  gap: 24px;
  padding-block: 55px;
}
.lock-hint {
  display: block;
  color: #a4b4cc;
  font-size: 12px;
  margin-top: 25px;
}
.lock-scene {
  --lock-phone-width: 238px;
  --lock-phone-left: 4%;
  position: relative;
  min-height: 580px;
  isolation: isolate;
}
.lock-phone {
  position: absolute;
  width: var(--lock-phone-width);
  left: var(--lock-phone-left);
  top: 0;
  transform: rotate(-6deg);
}
.lock-widget .lock-phone img,
.lock-widget .lock-lens img {
  margin: 0;
}
.lock-lens {
  position: absolute;
  right: 0;
  bottom: 32px;
  width: 300px;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 5px solid #ddd8e4;
  /* 同一张锁屏图延伸到圆形镜片边缘，特写不会留矩形拼接边。 */
  background: #9b455f url("assets/lock-screen.webp") 17.38% 89.42% / 235.514%
    auto;
  box-shadow:
    0 0 0 1px #ffffff35,
    0 25px 65px #0009,
    inset 0 0 35px #ffffff35;
  display: flex;
  align-items: center;
  overflow: hidden;
  z-index: 2;
}
.lock-lens img {
  width: 100%;
}
.lock-lens figcaption {
  position: absolute;
  bottom: 32px;
  width: 82%;
  left: 9%;
  padding: 7px 0;
  border-radius: 999px;
  background: #29132199;
  text-align: center;
  font-size: 11px;
  color: #ffe5ec;
}
.lens-connector {
  position: absolute;
  height: 4px;
  width: 210px;
  background: #d8d2e2;
  /* 锚点跟着手机尺寸缩放，指向截图中真正的课程小组件。 */
  left: calc(var(--lock-phone-left) + var(--lock-phone-width) * 0.4);
  top: calc(var(--lock-phone-width) * 1.72);
  transform: rotate(-18deg);
  transform-origin: left center;
  z-index: 1;
}
.lens-connector::before {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid #f4e9ef;
  border-radius: 50%;
  left: -9px;
  top: -7px;
}
.widget-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-top: 28px;
}
.native-world .text-link {
  color: #83baff;
}
.native-world .fineprint {
  color: #999a9f;
}
.grade-detail-section,
.schedule-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 120px;
  padding-block: 95px;
  position: relative;
}
.grade-detail-section {
  border-top: 1px solid #292a30;
}
.grade-detail-section .feature-copy,
.schedule-section .feature-copy {
  padding: 0;
}
.detail-phone {
  width: 285px;
  margin: auto;
}
.score-breakdown {
  margin-top: 35px;
  max-width: 360px;
}
.score-breakdown > div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 0;
  border-bottom: 1px solid #2a2b32;
  font-size: 14px;
}
.score-breakdown b {
  font-size: 23px;
  font-variant-numeric: tabular-nums;
}
.score-breakdown small {
  font-weight: 400;
  font-size: 12px;
  color: #8d8e95;
}
.score-breakdown i {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 10px;
}
.green-dot {
  background: #44df78;
}
.orange-dot {
  background: #ffb34d;
}
.score-breakdown .total {
  border: 0;
  color: #81beff;
}
.score-breakdown p {
  font-size: 11px;
  color: #888990;
  margin-top: 10px;
}
.schedule-phone {
  width: 285px;
  transform: rotate(-4deg);
  margin: auto;
}
.native-world .inline-pills span {
  background: #222429;
  color: #b7b8be;
}
.native-note {
  text-align: center;
  padding-block: 85px 120px;
}
.native-symbol {
  display: block;
  color: #b0d8c6;
  font-size: 48px;
  margin-bottom: 23px;
}
.native-note h3 {
  font-size: 40px;
}
.native-note p {
  font-size: 17px;
  color: #999a9f;
  line-height: 1.85;
  margin-top: 25px;
}
.privacy-section {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  align-items: center;
  gap: 100px;
  padding-block: 135px;
}
.privacy-art {
  padding: 35px 0;
  border-radius: 36px;
  background: #f0f5f5;
}
.privacy-phone {
  width: 260px;
  margin: auto;
}
.privacy-section .feature-copy {
  padding: 0;
}
.privacy-controls {
  list-style: none;
  padding: 0;
  margin: 30px 0;
  counter-reset: privacy;
}
.privacy-controls li {
  position: relative;
  padding-left: 38px;
  margin-top: 22px;
  counter-increment: privacy;
}
.privacy-controls li::before {
  content: counter(privacy, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 650;
}
.privacy-controls strong {
  display: block;
  font-size: 17px;
  font-weight: 600;
}
.privacy-controls span {
  display: block;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
  margin-top: 5px;
}
.pass-section {
  background: var(--soft);
  padding-block: 120px;
}
.comparison {
  background: #fff;
  border-radius: 28px;
  padding: 20px 35px;
}
.comparison table {
  border-collapse: collapse;
  width: 100%;
  table-layout: fixed;
  font-size: 15px;
}
.comparison th,
.comparison td {
  border-bottom: 1px solid #e9e9ed;
  padding: 21px 12px;
  text-align: center;
  font-weight: 500;
}
.comparison th:first-child {
  width: 58%;
  text-align: left;
}
.comparison thead th {
  font-size: 17px;
  font-weight: 650;
  padding-block: 25px;
}
.comparison tbody th span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
  margin-top: 6px;
}
.comparison td {
  color: #007e60;
}
.comparison .not-included {
  color: #b7b7bd;
}
.comparison tr:last-child > * {
  border: 0;
}
.comparison .same-care td {
  color: var(--ink);
  font-size: 13px;
}
.comparison-note,
.pricing-note {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.9;
  margin-top: 20px;
}
.pricing-note a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 65px;
}
.price-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 34px 28px;
  border-radius: 28px;
  background: white;
  border: 1px solid transparent;
}
.price-card .tiny-label {
  font-size: 12px;
  margin-bottom: 16px;
}
.price-card h3 {
  font-size: 23px;
}
.price-card .price {
  color: var(--ink);
  font-size: 56px;
  font-weight: 650;
  letter-spacing: -0.05em;
  margin-block: 25px 12px;
}
.price small {
  font-size: 15px;
  color: var(--muted);
  font-weight: 500;
  letter-spacing: 0;
}
.price-card > p:not(.price) {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
  margin-bottom: 30px;
}
.price-card .button {
  font-size: 13px;
  margin-top: auto;
}
.price-secondary {
  background: #e8f2fc;
  color: var(--blue);
}
.price-secondary:hover {
  background: #deedfc;
}
.featured-price {
  border-color: #93bff0;
  background: linear-gradient(145deg, white 45%, #edf5ff);
}
.why-pass {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 22px 80px;
  padding-top: 100px;
  margin-top: 80px;
  border-top: 1px solid var(--line);
}
.why-pass > .eyebrow {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 12px;
}
.why-pass h3 {
  font-size: 38px;
}
.why-pass > div > p {
  font-size: 16px;
  line-height: 1.95;
  color: var(--muted);
  margin-bottom: 20px;
}
.why-pass strong {
  color: var(--ink);
  font-weight: 550;
}
.why-pass .text-link {
  font-size: 13px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.download-section {
  text-align: center;
  padding-block: 130px 90px;
}
.download-section > img {
  margin: 0 auto 25px;
}
.download-section .button {
  margin-top: 35px;
}
.download-section .fineprint {
  margin: 22px auto 0;
  max-width: 450px;
}
.help-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 25px;
  padding-bottom: 90px;
}
.help-strip > a {
  background: var(--soft);
  border-radius: 24px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background 0.2s;
}
.help-strip > a:hover {
  background: #ededf0;
}
.help-strip > a > span {
  color: var(--muted);
  font-size: 13px;
}
.help-strip strong {
  font-size: 21px;
  font-weight: 550;
}
.help-strip strong span {
  float: right;
  font-weight: 400;
  color: var(--blue);
}
.site-footer {
  background: var(--soft);
  padding: 30px 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.8;
}
.site-footer p + p {
  margin-top: 8px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 20px;
  margin-top: 25px;
}
.footer-bottom nav {
  display: flex;
  gap: 20px;
}
.footer-bottom a:hover {
  text-decoration: underline;
}
dialog {
  border: 1px solid #444;
  border-radius: 24px;
  background: #18191d;
  color: white;
  max-width: min(90vw, 460px);
  max-height: 90vh;
  padding: 20px;
  overflow: auto;
}
dialog::backdrop {
  background: #000a;
  backdrop-filter: blur(10px);
}
.dialog-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
}
.dialog-header h2 {
  font-size: 18px;
  letter-spacing: 0;
}
.dialog-header button {
  margin-left: auto;
  border: 0;
  border-radius: 50%;
  background: #35363a;
  color: white;
  font-size: 25px;
  width: 34px;
  height: 34px;
}
dialog video {
  height: 65vh;
  width: 100%;
  object-fit: contain;
  background: black;
  border-radius: 12px;
}
dialog > p {
  font-size: 11px;
  color: #aaa;
  margin-top: 12px;
}
body.modal-open {
  overflow: hidden;
}
.js .reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity 0.9s var(--ease),
    transform 0.9s var(--ease);
}
.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}
.legal-main {
  max-width: 840px;
  margin: 0 auto;
  padding: 80px 32px 100px;
}
.legal-main h1 {
  font-size: 48px;
  letter-spacing: -0.04em;
  margin-bottom: 20px;
}
.legal-main h2 {
  font-size: 24px;
  margin: 38px 0 14px;
  line-height: 1.4;
}
.legal-main p,
.legal-main li {
  font-size: 15px;
  line-height: 1.9;
  color: #55555b;
}
.legal-main p + p {
  margin-top: 12px;
}
.legal-main a {
  color: var(--blue);
}
.legal-main ul {
  padding-left: 22px;
}
.legal-main li + li {
  margin-top: 10px;
}
.legal-main .notice {
  padding: 20px;
  background: var(--soft);
  border-radius: 16px;
  margin: 25px 0;
}
.legal-main .meta {
  font-size: 12px;
  color: var(--muted);
}
.support-hero {
  padding: 90px 0 60px;
}
.support-hero h1 {
  font-size: 64px;
}
.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 70px;
}
.support-card {
  padding: 32px;
  background: var(--soft);
  border-radius: 24px;
}
.support-card h2 {
  font-size: 24px;
}
.support-card p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.8;
  margin: 15px 0 20px;
}
.support-card .button {
  font-size: 14px;
}
.faq {
  max-width: 840px;
  padding-bottom: 100px;
}
.faq h2 {
  font-size: 36px;
  margin-bottom: 28px;
}
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 23px 0;
}
.faq summary {
  font-size: 18px;
  font-weight: 550;
  cursor: pointer;
  line-height: 1.6;
}
.faq details p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
  padding: 16px 24px 0 0;
}
.faq a {
  color: var(--blue);
}
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 70;
  background: #222;
  color: white;
  padding: 13px 24px;
  border-radius: 999px;
  font-size: 14px;
  max-width: 90vw;
  text-align: center;
}
@media (min-width: 1600px) {
  .hero {
    padding-top: 105px;
  }
  .hero-stage {
    height: 750px;
  }
}
@media (max-width: 1000px) {
  .wrap {
    width: calc(100% - 48px);
  }
  .feature-home {
    padding: 45px 35px 0;
    gap: 15px;
    min-height: 690px;
  }
  .home-visual {
    height: 590px;
  }
  .feature-phone {
    width: 260px;
  }
  .feature-copy > p {
    font-size: 16px;
  }
  .timetable-section {
    padding: 45px;
    gap: 40px;
  }
  .feature-tile {
    padding: 35px 30px 0;
    height: 780px;
  }
  .tile-phone {
    width: 240px;
  }
  .grade-detail-section,
  .schedule-section {
    gap: 55px;
  }
  .widget-card {
    padding: 28px;
  }
  .widget-card .small-widget {
    width: 200px;
  }
  .lock-widget {
    gap: 10px;
  }
  .lock-scene {
    --lock-phone-width: 215px;
    --lock-phone-left: 0%;
    min-height: 520px;
  }
  .lock-lens {
    width: 260px;
    right: -8px;
  }
  .calendar-section {
    padding: 45px;
    gap: 40px;
  }
  .calendar-phone {
    width: 235px;
  }
  .design-section {
    gap: 40px;
  }
  .design-device-pair {
    gap: 12px;
  }
  .design-device-pair .phone {
    border-width: 5px;
    border-radius: 30px;
  }
  .native-feature {
    gap: 35px;
  }
  .gallery-item .phone {
    border-width: 5px;
    border-radius: 28px;
  }
  .course-detail-card {
    padding-inline: 28px;
  }
  .course-detail-card .tile-copy {
    min-height: 235px;
  }
  .privacy-section {
    gap: 45px;
  }
  .privacy-phone {
    width: 230px;
  }
  .price-card {
    padding: 30px 22px;
  }
  .price-card h3 {
    font-size: 20px;
  }
  .pricing-grid {
    gap: 15px;
  }
  .why-pass {
    gap: 20px 45px;
  }
  .hero-left {
    transform: translateX(calc(-50% - 230px)) rotate(-8deg);
  }
  .hero-right {
    transform: translateX(calc(-50% + 230px)) rotate(8deg);
  }
}
@media (max-width: 700px) {
  html {
    scroll-padding-top: 75px;
  }
  .wrap {
    width: calc(100% - 40px);
  }
  .nav {
    height: 62px;
    gap: 12px;
  }
  .brand {
    font-size: 16px;
    gap: 8px;
  }
  .brand img {
    width: 28px;
    height: 28px;
  }
  .nav-links {
    gap: 15px;
    margin-left: auto;
    font-size: 11px;
  }
  .nav-links a:first-child,
  .nav-links a:last-child,
  .nav-links a[href="#campus-pass"] {
    display: none;
  }
  .button-small {
    padding: 7px 12px;
    font-size: 11px;
  }
  .hero {
    padding-top: 62px;
  }
  .hero .eyebrow {
    font-size: 12px;
    margin-bottom: 22px;
  }
  h1 {
    font-size: 66px;
  }
  h2 {
    font-size: 39px;
  }
  h3 {
    font-size: 27px;
  }
  .hero-description {
    font-size: 16px;
    line-height: 1.7;
    margin-top: 24px;
  }
  .hero-actions {
    gap: 20px;
    flex-direction: column;
  }
  .hero-actions .button {
    font-size: 14px;
  }
  .hero-actions .text-link {
    font-size: 13px;
  }
  .fineprint {
    font-size: 10px;
  }
  .hero-stage {
    height: 505px;
    margin-top: 42px;
    width: 100%;
  }
  .hero-center {
    width: 218px;
  }
  .hero-left,
  .hero-right {
    width: 184px;
    top: 80px;
  }
  .hero-left {
    transform: translateX(calc(-50% - 150px)) rotate(-10deg);
  }
  .hero-right {
    transform: translateX(calc(-50% + 150px)) rotate(10deg);
  }
  .phone {
    border-width: 5px;
    border-radius: 30px;
  }
  .hero-orbit {
    width: 600px;
    top: 0;
  }
  .stage-label {
    display: none;
  }
  .compatibility {
    padding-block: 27px;
  }
  .compatibility strong {
    font-size: 18px;
  }
  .compatibility span {
    font-size: 10px;
    max-width: 90px;
    margin-inline: auto;
  }
  .intro {
    padding-block: 85px 48px;
  }
  .eyebrow {
    font-size: 13px;
    margin-bottom: 20px;
  }
  .section-description {
    font-size: 16px;
    margin-top: 23px;
  }
  .feature-home {
    grid-template-columns: 1fr;
    padding: 34px 28px 0;
    border-radius: 28px;
    gap: 30px;
    min-height: 0;
  }
  .feature-copy {
    padding-bottom: 0;
  }
  .feature-copy > p {
    font-size: 16px;
    margin-top: 20px;
  }
  .section-index {
    margin-bottom: 23px;
    font-size: 10px;
  }
  .home-visual {
    height: 490px;
    margin-top: 15px;
  }
  .feature-phone {
    width: 240px;
  }
  .soft-disc {
    width: 390px;
    height: 390px;
  }
  .floating-note {
    bottom: 45px;
    left: -10px;
    font-size: 12px;
    padding: 13px 17px;
  }
  .segmented {
    margin-top: 25px;
  }
  .segmented button {
    font-size: 12px;
    padding: 8px 16px;
  }
  .essentials {
    padding-block: 85px;
  }
  .section-heading {
    margin-bottom: 32px;
  }
  .two-up {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .feature-tile {
    height: 750px;
    padding: 32px 28px 0;
    border-radius: 28px;
  }
  .tile-phone {
    width: 250px;
    margin-top: 32px;
  }
  .tile-copy p {
    font-size: 15px;
  }
  .tiny-label {
    font-size: 12px;
    margin-bottom: 17px;
  }
  .feature-tile > .image-note {
    font-size: 10px;
  }
  .timetable-section {
    grid-template-columns: 1fr;
    padding: 32px 28px;
    gap: 35px;
    border-radius: 28px;
  }
  .timetable-art {
    order: 2;
    padding-top: 5px;
  }
  .timetable-phone {
    width: min(250px, 100%);
  }
  .course-details {
    padding-block: 75px 85px;
  }
  .course-detail-card {
    padding: 32px 28px 25px;
    gap: 25px;
    border-radius: 28px;
  }
  .course-detail-card .tile-copy {
    min-height: 0;
  }
  .course-detail-card .phone {
    width: min(240px, 100%);
  }
  .course-detail-card .image-note {
    font-size: 10px;
  }
  .course-tools {
    grid-template-columns: 1fr;
    padding: 38px 8px 0;
    gap: 35px;
  }
  .course-tools h3 {
    font-size: 25px;
  }
  .course-tools p {
    font-size: 15px;
  }
  .timetable-section h2 {
    font-size: 38px;
  }
  .inline-pills span {
    font-size: 10px;
  }
  .next-section {
    padding-block: 20px 60px;
    text-align: left;
  }
  .next-section h2 {
    font-size: 37px;
  }
  .next-section .section-description br {
    display: none;
  }
  .next-scene {
    --next-phone-width: 230px;
    --next-phone-left: 3%;
    height: 610px;
    max-width: 380px;
    margin-top: 45px;
  }
  .next-lens {
    width: 280px;
    top: 255px;
    right: 0;
    border-width: 4px;
  }
  .next-connector {
    width: 165px;
    transform: rotate(46deg);
  }
  .next-caption {
    width: 280px;
    right: 0;
    top: 565px;
    font-size: 11px;
  }
  .calendar-section {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 32px 28px 40px;
    margin-bottom: 75px;
    border-radius: 28px;
  }
  .calendar-phone {
    width: min(240px, 90%);
    transform: rotate(2deg);
  }
  .more-basics {
    padding-bottom: 75px;
  }
  .more-basics h3 {
    font-size: 20px;
  }
  .tool-list {
    gap: 8px;
    margin-top: 22px;
  }
  .tool-list span {
    font-size: 11px;
    padding: 9px 13px;
  }
  .native-intro {
    padding-block: 85px 70px;
  }
  .design-section {
    grid-template-columns: 1fr;
    padding-block: 80px 65px;
    gap: 25px;
  }
  .design-visual {
    padding-block: 15px 0;
    margin-top: 15px;
  }
  .design-device-pair {
    gap: 16px;
    max-width: 450px;
    margin-inline: auto;
  }
  .design-device-pair .phone {
    border-radius: 24px;
    border-width: 4px;
  }
  .design-caption {
    margin-top: 55px;
    font-size: 11px;
  }
  .design-visual::before {
    inset: 5% 0;
  }
  .mobile-break {
    display: initial;
  }
  .native-intro h2 {
    font-size: 47px;
  }
  .native-intro .section-description br {
    display: none;
  }
  .native-feature {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-block: 0 80px;
  }
  .native-feature .gallery-hint {
    display: block;
    font-size: 12px;
    color: #a4b4cc;
  }
  .screen-gallery {
    gap: 22px;
    padding-bottom: 22px;
  }
  .gallery-item {
    flex-basis: 82%;
  }
  .gallery-item .phone {
    max-width: 260px;
    border-radius: 30px;
  }
  .gallery-item figcaption {
    font-size: 11px;
  }
  .selection-section {
    padding-top: 30px;
  }
  .widgets-section {
    padding-bottom: 70px;
  }
  .widget-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .widget-card-large {
    grid-row: auto;
  }
  .widget-card {
    padding: 28px;
    border-radius: 25px;
  }
  .widget-card h3 {
    font-size: 25px;
  }
  .widget-card p {
    font-size: 14px;
  }
  .widget-card-large img {
    max-width: 340px;
    margin: 28px auto 0;
  }
  .widget-card .small-widget {
    width: 220px;
  }
  .lock-widget {
    grid-column: auto;
    display: block;
  }
  .lock-scene {
    --lock-phone-width: 220px;
    --lock-phone-left: 4%;
    margin-top: 35px;
    min-height: 590px;
    max-width: 360px;
    margin-inline: auto;
  }
  .lock-lens {
    width: 238px;
    right: -12px;
    bottom: 0;
    border-width: 4px;
  }
  .lock-lens figcaption {
    font-size: 10px;
    bottom: 20px;
  }
  .lens-connector {
    width: 140px;
    transform: rotate(25deg);
  }
  .widget-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 17px;
  }
  .widget-actions .text-link {
    font-size: 14px;
  }
  .grade-detail-section,
  .schedule-section {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-block: 65px;
  }
  .detail-phone {
    width: 250px;
  }
  .schedule-phone {
    order: 2;
    width: 250px;
    transform: rotate(-3deg);
  }
  .score-breakdown {
    max-width: 100%;
  }
  .native-note {
    padding-block: 35px 80px;
  }
  .native-note h3 {
    font-size: 33px;
  }
  .native-note p {
    font-size: 14px;
  }
  .native-symbol {
    font-size: 37px;
  }
  .privacy-section {
    grid-template-columns: 1fr;
    padding-block: 80px;
    gap: 40px;
  }
  .privacy-art {
    order: 2;
    border-radius: 28px;
    padding-block: 30px;
  }
  .privacy-phone {
    width: min(235px, 84%);
  }
  .privacy-controls strong {
    font-size: 16px;
  }
  .privacy-controls span {
    font-size: 13px;
  }
  .pass-section {
    padding-block: 75px;
  }
  .pass-section h2 {
    font-size: 36px;
  }
  .comparison {
    padding: 6px 12px;
    border-radius: 22px;
  }
  .comparison table {
    font-size: 12px;
  }
  .comparison th,
  .comparison td {
    padding: 18px 5px;
  }
  .comparison th:first-child {
    width: 51%;
  }
  .comparison thead th {
    font-size: 12px;
    padding-block: 20px;
  }
  .comparison tbody th span {
    font-size: 10px;
    line-height: 1.7;
  }
  .comparison .same-care td {
    font-size: 11px;
  }
  .comparison-note,
  .pricing-note {
    font-size: 10px;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-top: 40px;
  }
  .price-card {
    padding: 30px;
    border-radius: 24px;
  }
  .price-card h3 {
    font-size: 25px;
  }
  .price-card .price {
    margin-top: 20px;
  }
  .why-pass {
    grid-template-columns: 1fr;
    gap: 22px;
    padding-top: 55px;
    margin-top: 50px;
  }
  .why-pass h3 {
    font-size: 32px;
  }
  .why-pass > div > p {
    font-size: 15px;
  }
  .download-section {
    padding-block: 80px 60px;
  }
  .download-section h2 {
    font-size: 37px;
  }
  .download-section .fineprint {
    max-width: 290px;
  }
  .download-section > img {
    width: 72px;
    height: 72px;
  }
  .help-strip {
    grid-template-columns: 1fr;
    gap: 15px;
    padding-bottom: 65px;
  }
  .help-strip > a {
    padding: 25px;
  }
  .footer-bottom {
    gap: 14px;
  }
  .footer-bottom > span:last-child {
    width: 100%;
  }
  .site-footer {
    font-size: 10px;
  }
  .support-hero {
    padding: 65px 0 40px;
  }
  .support-hero h1 {
    font-size: 48px;
  }
  .support-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .faq h2 {
    font-size: 30px;
  }
  .faq summary {
    font-size: 16px;
  }
  .legal-main {
    padding: 55px 24px 70px;
  }
  .legal-main h1 {
    font-size: 36px;
  }
  .legal-main h2 {
    font-size: 22px;
  }
  .legal-main p,
  .legal-main li {
    font-size: 14px;
  }
}
.hero-stage {
  --fan: 0;
}
.hero-center {
  transform: translateX(-50%) translateY(calc(var(--fan) * -18px));
}
.hero-left {
  transform: translateX(calc(-50% - 258px - var(--fan) * 34px))
    rotate(calc(-8deg - var(--fan) * 3deg));
}
.hero-right {
  transform: translateX(calc(-50% + 258px + var(--fan) * 34px))
    rotate(calc(8deg + var(--fan) * 3deg));
}
@media (max-width: 1000px) {
  .hero-left {
    transform: translateX(calc(-50% - 230px - var(--fan) * 20px)) rotate(-8deg);
  }
  .hero-right {
    transform: translateX(calc(-50% + 230px + var(--fan) * 20px)) rotate(8deg);
  }
}
@media (max-width: 700px) {
  .hero-left {
    transform: translateX(calc(-50% - 150px - var(--fan) * 12px)) rotate(-10deg);
  }
  .hero-right {
    transform: translateX(calc(-50% + 150px + var(--fan) * 12px)) rotate(10deg);
  }
}
@media (max-width: 360px) {
  h1 {
    font-size: 54px;
  }
  .nav-links {
    display: none;
  }
  .nav > .button {
    margin-left: auto;
  }
  .hero-description {
    font-size: 14px;
  }
  .pass-section h2 {
    font-size: 30px;
  }
  .price-card h3 {
    font-size: 22px;
  }
  .compatibility strong {
    font-size: 16px;
  }
  .compatibility span {
    font-size: 9px;
    max-width: 80px;
  }
  .timetable-section h2 {
    font-size: 33px;
  }
  .course-detail-card,
  .timetable-section {
    padding-inline: 22px;
  }
  .next-scene {
    --next-phone-width: 210px;
    height: 545px;
  }
  .next-lens {
    width: 248px;
    top: 220px;
  }
  .next-caption {
    width: 248px;
    top: 495px;
    font-size: 10px;
  }
  .next-connector {
    width: 135px;
  }
  .lock-scene {
    --lock-phone-width: 195px;
    --lock-phone-left: 0%;
    min-height: 540px;
  }
  .lock-lens {
    width: 210px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  .js .reveal {
    opacity: 1;
    transform: none;
  }
  .hero-phone {
    will-change: auto;
  }
}