@charset "UTF-8";
:root {
    --blue: #168eea;
    --blue-bright: #20a4ff;
    --blue-deep: #0666d4;
    --navy: #061d42;
    --navy-soft: #0a2b5b;
    --orange: #ff7a24;
    --orange-deep: #dd5714;
    --ice: #edf7ff;
    --ice-strong: #dceeff;
    --white: #ffffff;
    --ink: #101b2a;
    --muted: #667489;
    --line: #dce6f0;
    --shadow: 0 22px 54px rgba(20, 75, 132, 0.14);
    --shadow-small: 0 10px 30px rgba(20, 75, 132, 0.1);
    --radius: 24px;
    --radius-small: 15px;
    --header-height: 76px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 18px);
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--white);
    font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

body.menu-open,
body.lightbox-open {
    overflow: hidden;
}

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

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

a,
button {
    -webkit-tap-highlight-color: transparent;
}

button,
input {
    font: inherit;
}

button {
    color: inherit;
}

button:focus-visible,
a:focus-visible {
    outline: 3px solid rgba(255, 122, 36, 0.42);
    outline-offset: 4px;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3 {
    line-height: 1.18;
}

ul,
ol,
dl {
    margin: 0;
    padding: 0;
}

ul,
ol {
    list-style: none;
}

.shell {
    width: min(1200px, calc(100% - 48px));
    margin-inline: auto;
}

.section {
    padding: 110px 0;
}

.section-anchor,
#updates,
#device {
    scroll-margin-top: calc(var(--header-height) + 18px);
}

.skip-link {
    position: fixed;
    z-index: 400;
    top: 12px;
    left: 12px;
    padding: 10px 16px;
    color: var(--white);
    background: var(--navy);
    border-radius: 9px;
    transform: translateY(-160%);
    transition: transform 0.2s ease;
}

.skip-link:focus {
    transform: translateY(0);
}

.icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.25em;
    height: 1.25em;
    flex: 0 0 auto;
    line-height: 1;
}

.icon::before {
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    background: currentColor;
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    -webkit-mask-size: contain;
    mask-repeat: no-repeat;
    mask-position: center;
    mask-size: contain;
}

.icon-download::before {
    -webkit-mask-image: url("../icons/download.svg");
    mask-image: url("../icons/download.svg");
}

.icon-menu::before {
    -webkit-mask-image: url("../icons/menu.svg");
    mask-image: url("../icons/menu.svg");
}

.icon-close::before {
    -webkit-mask-image: url("../icons/close.svg");
    mask-image: url("../icons/close.svg");
}

.icon-chevron::before {
    -webkit-mask-image: url("../icons/chevron.svg");
    mask-image: url("../icons/chevron.svg");
}

.icon-arrow::before,
.icon-arrow-up::before {
    -webkit-mask-image: url("../icons/arrow.svg");
    mask-image: url("../icons/arrow.svg");
}

.icon-arrow-up {
    transform: rotate(-90deg);
}

.icon-check::before {
    -webkit-mask-image: url("../icons/check.svg");
    mask-image: url("../icons/check.svg");
}

.icon-device::before {
    -webkit-mask-image: url("../icons/device.svg");
    mask-image: url("../icons/device.svg");
}

.icon-target::before {
    -webkit-mask-image: url("../icons/target.svg");
    mask-image: url("../icons/target.svg");
}

.icon-layers::before {
    -webkit-mask-image: url("../icons/layers.svg");
    mask-image: url("../icons/layers.svg");
}

.icon-book::before {
    -webkit-mask-image: url("../icons/book.svg");
    mask-image: url("../icons/book.svg");
}

.icon-text::before {
    -webkit-mask-image: url("../icons/text.svg");
    mask-image: url("../icons/text.svg");
}

.icon-play::before {
    -webkit-mask-image: url("../icons/play.svg");
    mask-image: url("../icons/play.svg");
}

.icon-refresh::before {
    -webkit-mask-image: url("../icons/refresh.svg");
    mask-image: url("../icons/refresh.svg");
}

.icon-radar::before {
    -webkit-mask-image: url("../icons/radar.svg");
    mask-image: url("../icons/radar.svg");
}

.icon-filter::before {
    -webkit-mask-image: url("../icons/filter.svg");
    mask-image: url("../icons/filter.svg");
}

.icon-rocket::before {
    -webkit-mask-image: url("../icons/rocket.svg");
    mask-image: url("../icons/rocket.svg");
}

.icon-chart::before {
    -webkit-mask-image: url("../icons/chart.svg");
    mask-image: url("../icons/chart.svg");
}

.icon-info::before {
    -webkit-mask-image: url("../icons/info.svg");
    mask-image: url("../icons/info.svg");
}

.icon-tag::before {
    -webkit-mask-image: url("../icons/tag.svg");
    mask-image: url("../icons/tag.svg");
}

.icon-list::before {
    -webkit-mask-image: url("../icons/list.svg");
    mask-image: url("../icons/list.svg");
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 50px;
    padding: 0 24px;
    border: 1px solid transparent;
    border-radius: 12px;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

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

.button:active {
    transform: translateY(1px) scale(0.98);
}

.button-primary {
    color: var(--white);
    background: var(--orange);
    box-shadow: 0 7px 0 var(--orange-deep), 0 18px 32px rgba(221, 87, 20, 0.24);
}

.button-primary:hover {
    background: #ff8a3e;
    box-shadow: 0 9px 0 var(--orange-deep), 0 22px 38px rgba(221, 87, 20, 0.3);
}

.button-small {
    min-height: 44px;
    padding: 0 19px;
    font-size: 14px;
}

.button-large {
    min-width: 220px;
    min-height: 60px;
    font-size: 17px;
}

.button-blue {
    color: var(--white);
    background: var(--blue-deep);
    border-radius: 11px;
}

.button-blue:hover {
    background: #0755ae;
    box-shadow: var(--shadow-small);
}

.button-block {
    width: 100%;
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    color: var(--blue-deep);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 34px;
    height: 3px;
    background: var(--blue);
    border-radius: 3px;
}

.eyebrow-light {
    color: #bfe5ff;
}

.eyebrow-light::before {
    background: var(--orange);
}

.section-heading {
    max-width: 720px;
    margin-bottom: 48px;
}

.section-heading.centered {
    margin-inline: auto;
    text-align: center;
}

.section-heading.centered .eyebrow {
    justify-content: center;
}

.section-heading h2 {
    margin-bottom: 14px;
    font-size: clamp(34px, 4vw, 54px);
    letter-spacing: -0.045em;
}

.section-heading p:last-child {
    margin-bottom: 0;
    color: var(--muted);
}

.section-heading.compact {
    margin-bottom: 34px;
}

.heading-light {
    color: var(--white);
}

.heading-light p:last-child {
    color: #a8c8e8;
}

.site-header {
    position: sticky;
    z-index: 100;
    top: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid rgba(10, 61, 116, 0.09);
    backdrop-filter: blur(14px);
    transition: box-shadow 0.2s ease;
}

.site-header.is-scrolled {
    box-shadow: 0 10px 30px rgba(8, 51, 96, 0.1);
}

.header-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 30px;
    height: 100%;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    min-width: max-content;
    font-size: 20px;
    font-weight: 900;
    letter-spacing: -0.03em;
}

.brand img {
    width: 46px;
    height: 46px;
    object-fit: contain;
    border-radius: 12px;
}

.site-nav {
    justify-self: center;
}

.site-nav ul {
    display: flex;
    align-items: center;
    gap: 26px;
}

.site-nav a {
    position: relative;
    display: block;
    padding: 26px 0 22px;
    color: #344156;
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
}

.site-nav a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 15px;
    left: 0;
    height: 3px;
    background: var(--blue);
    border-radius: 3px;
    transform: scaleX(0);
    transition: transform 0.2s ease;
}

.site-nav a:hover,
.site-nav a.is-active {
    color: var(--blue-deep);
}

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

.menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    padding: 12px;
    background: var(--ice);
    border: 1px solid var(--line);
    border-radius: 12px;
    cursor: pointer;
}

.hero {
    position: relative;
    isolation: isolate;
    min-height: 680px;
    overflow: hidden;
    color: var(--white);
    background:
        linear-gradient(rgba(66, 164, 255, 0.09) 1px, transparent 1px),
        linear-gradient(90deg, rgba(66, 164, 255, 0.09) 1px, transparent 1px),
        radial-gradient(circle at 78% 40%, #0c73e6 0, #07366e 36%, var(--navy) 72%);
    background-size: 48px 48px, 48px 48px, auto;
}

.hero::before {
    content: "";
    position: absolute;
    z-index: -1;
    inset: 0;
    background: linear-gradient(90deg, rgba(6, 29, 66, 0.2), transparent 52%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 0.88fr 1.12fr;
    align-items: center;
    gap: 42px;
    min-height: 680px;
    padding-top: 52px;
    padding-bottom: 52px;
}

.hero-copy {
    position: relative;
    z-index: 6;
}

.hero-copy h1 {
    margin-bottom: 22px;
    font-size: clamp(60px, 6vw, 88px);
    font-weight: 950;
    letter-spacing: -0.07em;
}

.hero-lead {
    max-width: 520px;
    margin-bottom: 32px;
    color: #c8def3;
    font-size: 18px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-bottom: 44px;
}

.hero-actions .button {
    min-width: 188px;
}

.ghost-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    font-weight: 800;
}

.ghost-link:hover .icon {
    transform: translateX(4px);
}

.hero-points {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 24px;
}

.hero-points li {
    display: flex;
    align-items: center;
    gap: 9px;
    color: #e0effd;
    font-size: 14px;
    font-weight: 800;
}

.hero-points .icon {
    width: 30px;
    height: 30px;
    padding: 7px;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.36);
    border-radius: 50%;
}

.hero-visual {
    position: relative;
    min-height: 560px;
}

.orbit {
    position: absolute;
    top: 50%;
    left: 51%;
    border: 1px solid rgba(184, 226, 255, 0.35);
    border-radius: 50%;
    transform: translate(-50%, -50%) rotate(-12deg);
}

.orbit-one {
    width: 600px;
    height: 480px;
}

.orbit-two {
    width: 480px;
    height: 330px;
    transform: translate(-50%, -50%) rotate(22deg);
}

.orbit-three {
    width: 330px;
    height: 220px;
    border-style: dashed;
    transform: translate(-50%, -50%) rotate(-28deg);
}

.orbit-dot {
    position: absolute;
    z-index: 5;
    width: 12px;
    height: 12px;
    background: var(--white);
    border-radius: 50%;
    box-shadow: 0 0 0 8px rgba(255, 255, 255, 0.1);
}

.dot-one {
    top: 44px;
    left: 28%;
}

.dot-two {
    right: 5%;
    bottom: 112px;
}

.hero-phone {
    position: absolute;
    z-index: 4;
    overflow: hidden;
    background: #0a101b;
    border: 7px solid #0a101b;
    border-radius: 34px;
    box-shadow: 0 28px 68px rgba(0, 8, 24, 0.4);
}

.hero-phone::before,
.detail-phone::before {
    content: "";
    position: absolute;
    z-index: 3;
    top: 8px;
    left: 50%;
    width: 36%;
    height: 17px;
    background: #0a101b;
    border-radius: 16px;
    transform: translateX(-50%);
}

.hero-phone img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 27px;
}

.hero-phone-main {
    top: 12px;
    left: 50%;
    z-index: 5;
    width: 272px;
    height: 544px;
    transform: translateX(-50%);
}

.hero-phone-left,
.hero-phone-right {
    top: 96px;
    width: 212px;
    height: 424px;
    opacity: 0.96;
}

.hero-phone-left {
    left: 4%;
    transform: rotate(-7deg);
}

.hero-phone-right {
    right: 1%;
    transform: rotate(7deg);
}

.hero-logo {
    position: absolute;
    z-index: 6;
    right: 4px;
    bottom: 24px;
    width: 116px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    box-shadow: 0 18px 40px rgba(0, 16, 50, 0.28);
}

.hero-logo img {
    width: 100%;
    border-radius: 50%;
}

.interface {
    background: var(--white);
}

.screen-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
}

.screen-card {
    display: flex;
    min-width: 0;
    padding: 0;
    overflow: hidden;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: var(--shadow-small);
    cursor: zoom-in;
    flex-direction: column;
    text-align: left;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.screen-card:hover {
    border-color: rgba(22, 142, 234, 0.62);
    box-shadow: var(--shadow);
    transform: translateY(-8px);
}

.screen-shot {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 455px;
    padding: 18px 18px 0;
    overflow: hidden;
    background: linear-gradient(145deg, #f5faff, #e7f4ff);
}

.screen-shot img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center bottom;
}

.screen-meta {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 12px;
    align-items: center;
    min-height: 94px;
    padding: 16px 18px;
}

.screen-meta b {
    color: var(--blue);
    font-size: 14px;
}

.screen-meta strong,
.screen-meta small {
    display: block;
}

.screen-meta strong {
    margin-bottom: 3px;
    font-size: 16px;
}

.screen-meta small {
    color: var(--muted);
    font-size: 12px;
}

.channels {
    background: var(--ice);
}

.channels-layout {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 80px;
    align-items: center;
}

.channel-orbit {
    position: relative;
    min-height: 520px;
}

.channel-orbit::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(32, 164, 255, 0.2), rgba(32, 164, 255, 0));
    transform: translate(-50%, -50%);
}

.channel-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 2px solid rgba(22, 142, 234, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%) rotate(-18deg);
}

.channel-ring-large {
    width: 430px;
    height: 330px;
}

.channel-ring-small {
    width: 290px;
    height: 210px;
    border-style: dashed;
    transform: translate(-50%, -50%) rotate(28deg);
}

.channel-core {
    position: absolute;
    z-index: 3;
    top: 50%;
    left: 50%;
    width: 138px;
    padding: 20px;
    background: var(--white);
    border: 12px solid rgba(22, 142, 234, 0.12);
    border-radius: 50%;
    box-shadow: var(--shadow);
    transform: translate(-50%, -50%);
}

.channel-core img {
    width: 100%;
    border-radius: 50%;
}

.channel-node {
    position: absolute;
    z-index: 4;
    display: grid;
    place-items: center;
    width: 96px;
    height: 96px;
    color: var(--blue-deep);
    background: var(--white);
    border: 1px solid #c8e3fa;
    border-radius: 50%;
    box-shadow: var(--shadow-small);
    text-align: center;
}

.channel-node .icon {
    width: 28px;
    height: 28px;
}

.channel-node span {
    margin-top: -12px;
    font-size: 12px;
    font-weight: 900;
}

.node-comic {
    top: 5%;
    left: 44%;
}

.node-novel {
    bottom: 8%;
    left: 4%;
}

.node-anime {
    right: 0;
    bottom: 14%;
}

.channel-features {
    display: grid;
    gap: 14px;
}

.channel-features article {
    display: grid;
    grid-template-columns: 50px 1fr;
    gap: 17px;
    min-height: 112px;
    padding: 22px;
    background: var(--white);
    border: 1px solid #d2e7f8;
    border-radius: 16px;
    box-shadow: 5px 5px 0 rgba(22, 142, 234, 0.09);
}

.channel-features .icon {
    width: 46px;
    height: 46px;
    padding: 11px;
    color: var(--blue-deep);
    background: var(--ice);
    border-radius: 14px;
}

.channel-features h3 {
    margin-bottom: 6px;
    font-size: 17px;
}

.channel-features p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.discovery {
    position: relative;
    overflow: hidden;
    color: var(--white);
    background: var(--navy);
}

.discovery::before {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.2;
    background-image: radial-gradient(#65b9ff 1.2px, transparent 1.2px);
    background-size: 30px 30px;
    mask-image: linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent);
}

.discovery .shell {
    position: relative;
}

.discovery-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
}

.radar-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 48px;
    padding: 12px 16px;
    color: #cfe9ff;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
}

.radar-badge .icon {
    width: 25px;
    height: 25px;
    color: var(--blue-bright);
}

.discovery-layout {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 30px;
}

.catalog-panel,
.discovery-path {
    padding: 30px;
    background: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    box-shadow: 0 24px 60px rgba(0, 7, 24, 0.28);
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 24px;
}

.filter-bar button {
    min-height: 38px;
    padding: 0 16px;
    color: #344156;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 9px;
    font-size: 13px;
    font-weight: 800;
    cursor: pointer;
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.filter-bar button:hover,
.filter-bar button.is-active {
    color: var(--white);
    background: var(--blue-deep);
    border-color: var(--blue-deep);
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 13px;
}

.catalog-item {
    display: grid;
    grid-template-columns: 82px 1fr;
    gap: 14px;
    min-height: 132px;
    padding: 12px;
    color: var(--ink);
    background: var(--ice);
    border: 1px solid #d3e8f9;
    border-radius: 14px;
}

.catalog-item.is-hidden {
    display: none;
}

.catalog-item img {
    width: 82px;
    height: 106px;
    object-fit: cover;
    border-radius: 9px;
}

.catalog-item span {
    display: inline-block;
    margin: 3px 0 7px;
    color: var(--blue-deep);
    font-size: 10px;
    font-weight: 900;
}

.catalog-item h3 {
    margin-bottom: 6px;
    font-size: 15px;
}

.catalog-item p {
    margin: 0;
    color: var(--muted);
    font-size: 11px;
    line-height: 1.55;
}

.discovery-path {
    color: var(--ink);
}

.path-list {
    display: grid;
    gap: 12px;
    margin-bottom: 22px;
}

.path-list li {
    display: grid;
    grid-template-columns: 34px 44px 1fr;
    gap: 12px;
    align-items: center;
    min-height: 96px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 14px;
}

.path-list > li > span {
    color: var(--orange);
    font-size: 13px;
    font-weight: 950;
}

.path-list > li > .icon {
    width: 42px;
    height: 42px;
    padding: 10px;
    color: var(--blue-deep);
    background: var(--ice);
    border-radius: 50%;
}

.path-list h3 {
    margin-bottom: 4px;
    font-size: 15px;
}

.path-list p {
    margin: 0;
    color: var(--muted);
    font-size: 12px;
}

.update-preview {
    padding: 18px;
    color: var(--white);
    background: linear-gradient(135deg, #0b4e9b, var(--blue-deep));
    border-radius: 15px;
}

.update-preview-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 13px;
}

.update-preview-title span {
    color: #b9dcfa;
    font-size: 11px;
}

.update-preview ul {
    display: grid;
    gap: 8px;
}

.update-preview li {
    display: flex;
    align-items: center;
    gap: 9px;
    color: #e5f3ff;
    font-size: 12px;
}

.update-preview .icon {
    width: 17px;
    height: 17px;
    color: #71c7ff;
}

.reading {
    overflow: hidden;
    background: var(--white);
}

.reading-layout {
    display: grid;
    grid-template-columns: 0.72fr 1.28fr;
    gap: 78px;
    align-items: center;
}

.reading-visual {
    position: relative;
    display: flex;
    justify-content: center;
    min-height: 660px;
}

.reading-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 430px;
    height: 430px;
    background: var(--ice-strong);
    border: 1px solid #c3e3ff;
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.reading-orbit::before {
    content: "";
    position: absolute;
    top: 35px;
    right: -25px;
    bottom: 35px;
    left: -25px;
    border: 2px dashed rgba(22, 142, 234, 0.35);
    border-radius: 50%;
    transform: rotate(-14deg);
}

.detail-phone {
    position: relative;
    z-index: 2;
    width: 310px;
    height: 650px;
    padding: 8px;
    overflow: hidden;
    background: #09101b;
    border-radius: 38px;
    box-shadow: var(--shadow);
}

.detail-phone img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 30px;
}

.detail-chip {
    position: absolute;
    z-index: 4;
    padding: 10px 15px;
    color: var(--white);
    background: var(--blue-deep);
    border: 3px solid var(--white);
    border-radius: 999px;
    box-shadow: var(--shadow-small);
    font-size: 12px;
    font-weight: 900;
}

.chip-one {
    top: 100px;
    left: -8px;
}

.chip-two {
    right: -15px;
    bottom: 116px;
    background: var(--orange);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 30px;
}

.feature-grid article {
    display: grid;
    grid-template-columns: 46px 1fr;
    gap: 14px;
    min-height: 132px;
    padding: 23px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: 4px 4px 0 var(--ice-strong);
}

.feature-grid .icon {
    width: 42px;
    height: 42px;
    padding: 9px;
    color: var(--blue-deep);
    background: var(--ice);
    border-radius: 12px;
}

.feature-grid h3 {
    margin-bottom: 6px;
    font-size: 16px;
}

.feature-grid p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.reading-steps {
    display: grid;
    grid-template-columns: 1fr 28px 1fr 28px 1fr;
    align-items: center;
    gap: 10px;
}

.reading-steps li:nth-child(odd) {
    display: flex;
    align-items: center;
    min-height: 102px;
    padding: 16px;
    background: var(--ice);
    border: 1px solid #d2e7f8;
    border-radius: 14px;
    flex-direction: column;
    justify-content: center;
    text-align: center;
}

.reading-steps li:nth-child(even) {
    color: var(--blue);
}

.reading-steps span {
    color: var(--blue);
    font-size: 11px;
    font-weight: 900;
}

.reading-steps strong,
.reading-steps small {
    display: block;
}

.reading-steps strong {
    margin: 3px 0;
    font-size: 14px;
}

.reading-steps small {
    color: var(--muted);
    font-size: 11px;
}

.service {
    background: var(--ice);
}

.service-layout {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 58px;
    align-items: start;
}

.updates-panel {
    padding-right: 52px;
    border-right: 1px solid #bddaf1;
}

.update-timeline {
    position: relative;
    display: grid;
    gap: 22px;
    padding-left: 4px;
}

.update-timeline::before {
    content: "";
    position: absolute;
    top: 18px;
    bottom: 18px;
    left: 17px;
    width: 2px;
    background: #9cccf2;
}

.update-timeline article {
    position: relative;
    display: grid;
    grid-template-columns: 36px 1fr;
    gap: 16px;
}

.update-timeline .icon {
    z-index: 1;
    width: 34px;
    height: 34px;
    padding: 8px;
    color: var(--white);
    background: var(--blue-deep);
    border: 5px solid var(--ice);
    border-radius: 50%;
}

.update-timeline h3 {
    margin-bottom: 4px;
    font-size: 16px;
}

.update-timeline p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.device-panel {
    padding: 32px;
    background: var(--white);
    border: 1px solid #d1e5f5;
    border-radius: var(--radius);
    box-shadow: var(--shadow-small);
}

.device-heading {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 14px;
}

.device-heading > .icon {
    width: 54px;
    height: 54px;
    padding: 14px;
    color: var(--white);
    background: var(--blue-deep);
    border-radius: 16px;
}

.device-heading .eyebrow {
    margin-bottom: 6px;
}

.device-heading h2 {
    margin: 0;
    font-size: 34px;
}

.device-intro {
    margin-bottom: 22px;
    color: var(--muted);
    font-size: 13px;
}

.device-results {
    margin-bottom: 24px;
    border-top: 1px solid var(--line);
}

.device-results div {
    display: grid;
    grid-template-columns: 92px 1fr;
    gap: 14px;
    padding: 13px 0;
    border-bottom: 1px solid var(--line);
}

.device-results dt {
    color: var(--muted);
    font-size: 13px;
}

.device-results dd {
    margin: 0;
    font-size: 13px;
    font-weight: 800;
    text-align: right;
}

.device-results dd.is-good {
    color: var(--blue-deep);
}

.reviews {
    background: var(--white);
}

.review-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.review-card {
    display: flex;
    min-height: 352px;
    padding: 28px;
    background: var(--white);
    border: 1px solid #d8e8f5;
    border-radius: 18px;
    box-shadow: var(--shadow-small);
    flex-direction: column;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.review-card:hover {
    border-color: var(--blue);
    transform: translateY(-5px);
}

.quote-mark {
    height: 42px;
    color: var(--blue);
    font-family: Georgia, serif;
    font-size: 60px;
    font-weight: 900;
    line-height: 1;
}

.review-card > p {
    margin-bottom: 28px;
    color: #344156;
    font-size: 14px;
    line-height: 1.9;
    flex: 1;
}

.review-author {
    display: grid;
    grid-template-columns: 42px 1fr auto;
    gap: 12px;
    align-items: center;
    padding-top: 18px;
    border-top: 1px solid var(--line);
}

.avatar {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    color: var(--white);
    background: var(--blue-deep);
    border-radius: 50%;
    font-size: 14px;
    font-weight: 900;
}

.review-card:nth-child(2n) .avatar {
    background: var(--orange);
}

.review-author strong,
.review-author small {
    display: block;
}

.review-author strong {
    font-size: 14px;
}

.review-author small {
    color: var(--muted);
    font-size: 10px;
}

.review-author b {
    align-self: start;
    color: var(--blue);
    font-size: 11px;
}

.faq {
    color: var(--white);
    background: linear-gradient(110deg, var(--navy) 0 35%, #f8fbff 35% 100%);
}

.faq-layout {
    display: grid;
    grid-template-columns: 0.72fr 1.28fr;
    gap: 72px;
    align-items: start;
}

.faq-intro {
    padding-right: 28px;
}

.faq-intro h2 {
    margin-bottom: 16px;
    font-size: clamp(38px, 4vw, 56px);
}

.faq-intro > p:last-of-type {
    color: #b7cee4;
}

.help-orbit {
    position: relative;
    display: grid;
    place-items: center;
    width: 190px;
    height: 150px;
    margin: 36px auto 0;
}

.help-orbit span {
    position: relative;
    z-index: 2;
    display: grid;
    place-items: center;
    width: 84px;
    height: 84px;
    color: var(--white);
    background: var(--blue);
    border-radius: 50%;
    box-shadow: 0 0 0 14px rgba(32, 164, 255, 0.12);
    font-size: 42px;
    font-weight: 950;
}

.help-orbit i {
    position: absolute;
    width: 178px;
    height: 88px;
    border: 2px solid rgba(114, 197, 255, 0.55);
    border-radius: 50%;
    transform: rotate(-15deg);
}

.help-orbit i::after {
    content: "";
    position: absolute;
    top: 5px;
    left: 30px;
    width: 10px;
    height: 10px;
    background: var(--orange);
    border-radius: 50%;
}

.accordion {
    color: var(--ink);
    background: var(--white);
    border-top: 2px solid var(--blue-deep);
}

.accordion-item {
    border-bottom: 1px solid var(--line);
}

.accordion-item h3 {
    margin: 0;
}

.accordion-item button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 76px;
    padding: 0 4px;
    background: transparent;
    border: 0;
    cursor: pointer;
    text-align: left;
}

.accordion-item button span {
    display: flex;
    align-items: center;
    gap: 16px;
    font-weight: 800;
}

.accordion-item button b {
    color: var(--blue);
    font-size: 11px;
}

.accordion-item button .icon {
    width: 18px;
    height: 18px;
    color: var(--blue-deep);
    transition: transform 0.2s ease;
}

.accordion-item.is-open button .icon {
    transform: rotate(180deg);
}

.accordion-panel {
    padding: 0 40px 24px;
}

.accordion-panel p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.download-cta {
    position: relative;
    overflow: hidden;
    color: var(--white);
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        linear-gradient(115deg, var(--blue-deep), var(--blue-bright));
    background-size: 42px 42px, 42px 42px, auto;
}

.download-cta::before,
.download-cta::after {
    content: "";
    position: absolute;
    border: 2px solid rgba(255, 255, 255, 0.27);
    border-radius: 50%;
}

.download-cta::before {
    top: -120px;
    right: 8%;
    width: 330px;
    height: 330px;
}

.download-cta::after {
    right: -55px;
    bottom: -115px;
    width: 250px;
    height: 250px;
    transform: rotate(20deg);
}

.download-inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
    min-height: 260px;
    padding-top: 48px;
    padding-bottom: 48px;
}

.download-inner h2 {
    margin-bottom: 12px;
    font-size: clamp(32px, 4vw, 52px);
    letter-spacing: -0.045em;
}

.download-inner p:last-child {
    max-width: 650px;
    margin-bottom: 0;
    color: #e4f5ff;
}

.site-footer {
    color: #d9e8f7;
    background: #04152f;
}

.footer-main {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 48px;
    align-items: center;
    min-height: 142px;
}

.brand-footer {
    color: var(--white);
}

.footer-nav {
    justify-self: center;
}

.footer-nav ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px 28px;
}

.footer-nav a,
.footer-download,
.footer-bottom a {
    color: #a9c0d8;
    font-size: 13px;
    transition: color 0.2s ease;
}

.footer-nav a:hover,
.footer-download:hover,
.footer-bottom a:hover {
    color: var(--white);
}

.footer-download,
.footer-bottom a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    margin: 0;
    color: #7690aa;
    font-size: 12px;
}

.site-tongji {
    display: none;
}

.lightbox {
    position: fixed;
    z-index: 300;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 40px;
    visibility: hidden;
    opacity: 0;
    background: rgba(2, 14, 34, 0.93);
    backdrop-filter: blur(10px);
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.lightbox.is-open {
    visibility: visible;
    opacity: 1;
}

.lightbox figure {
    max-width: min(520px, 88vw);
    max-height: 86vh;
    margin: 0;
    text-align: center;
}

.lightbox figure img {
    width: auto;
    max-width: 100%;
    max-height: 78vh;
    margin: auto;
    border: 8px solid var(--white);
    border-radius: 24px;
    object-fit: contain;
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.46);
}

.lightbox figcaption {
    margin-top: 15px;
    color: var(--white);
    font-weight: 800;
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 24px;
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    cursor: pointer;
}

.js .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}

.js .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1140px) {
    .site-nav ul {
        gap: 17px;
    }

    .site-nav a {
        font-size: 13px;
    }

    .header-inner {
        gap: 20px;
    }

    .hero-grid {
        grid-template-columns: 0.84fr 1.16fr;
        gap: 24px;
    }

    .hero-phone-main {
        width: 250px;
        height: 500px;
    }

    .hero-phone-left,
    .hero-phone-right {
        width: 188px;
        height: 376px;
    }

    .screen-shot {
        height: 405px;
    }

    .channels-layout,
    .reading-layout {
        gap: 48px;
    }
}

@media (max-width: 992px) {
    :root {
        --header-height: 70px;
    }

    .shell {
        width: min(100% - 36px, 900px);
    }

    .section {
        padding: 88px 0;
    }

    .menu-toggle {
        display: inline-grid;
        place-items: center;
        justify-self: end;
    }

    .header-download {
        display: none;
    }

    .site-nav {
        position: fixed;
        z-index: 101;
        top: var(--header-height);
        right: 0;
        left: 0;
        padding: 18px;
        visibility: hidden;
        opacity: 0;
        background: rgba(255, 255, 255, 0.98);
        border-top: 1px solid var(--line);
        box-shadow: 0 24px 50px rgba(8, 40, 78, 0.18);
        transform: translateY(-12px);
        transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    }

    .site-nav.is-open {
        visibility: visible;
        opacity: 1;
        transform: translateY(0);
    }

    .site-nav ul {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
    }

    .site-nav a {
        padding: 12px 14px;
        background: var(--ice);
        border-radius: 10px;
    }

    .site-nav a::after {
        display: none;
    }

    .hero,
    .hero-grid {
        min-height: 630px;
    }

    .hero-grid {
        grid-template-columns: 0.94fr 1.06fr;
        padding-top: 44px;
        padding-bottom: 44px;
    }

    .hero-copy h1 {
        font-size: 64px;
    }

    .hero-visual {
        min-height: 500px;
    }

    .hero-phone-main {
        width: 224px;
        height: 448px;
    }

    .hero-phone-left,
    .hero-phone-right {
        top: 110px;
        width: 154px;
        height: 308px;
    }

    .hero-logo {
        width: 96px;
    }

    .screen-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 24px;
    }

    .screen-shot {
        height: 520px;
    }

    .channels-layout {
        grid-template-columns: 0.88fr 1.12fr;
        gap: 30px;
    }

    .channel-orbit {
        min-height: 480px;
        transform: scale(0.86);
    }

    .discovery-layout,
    .service-layout {
        grid-template-columns: 1fr;
    }

    .reading-layout,
    .faq-layout {
        grid-template-columns: 0.82fr 1.18fr;
        gap: 36px;
    }

    .reading-visual {
        min-height: 600px;
    }

    .detail-phone {
        width: 270px;
        height: 566px;
    }

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

    .feature-grid article {
        min-height: auto;
    }

    .reading-steps {
        grid-template-columns: 1fr;
    }

    .reading-steps li:nth-child(even) {
        height: 20px;
        transform: rotate(90deg);
        justify-self: center;
    }

    .updates-panel {
        padding-right: 0;
        padding-bottom: 52px;
        border-right: 0;
        border-bottom: 1px solid #bddaf1;
    }

    .review-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .faq {
        background: linear-gradient(180deg, var(--navy) 0 34%, #f8fbff 34% 100%);
    }

    .faq-layout {
        grid-template-columns: 1fr;
    }

    .faq-intro {
        padding-right: 0;
        padding-bottom: 40px;
    }

    .help-orbit {
        position: absolute;
        right: 9%;
        margin-top: -160px;
    }

    .footer-main {
        grid-template-columns: auto 1fr;
    }

    .footer-nav {
        justify-self: end;
    }

    .footer-download {
        display: none;
    }
}

@media (max-width: 767px) {
    .shell {
        width: min(100% - 28px, 620px);
    }

    .section {
        padding: 72px 0;
    }

    .brand {
        font-size: 18px;
    }

    .brand img {
        width: 42px;
        height: 42px;
    }

    .site-nav ul {
        grid-template-columns: 1fr;
        max-height: calc(100vh - 120px);
        overflow-y: auto;
    }

    .hero {
        min-height: auto;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        min-height: auto;
        padding-top: 66px;
        padding-bottom: 50px;
    }

    .hero-copy h1 {
        margin-bottom: 16px;
        font-size: clamp(58px, 18vw, 80px);
    }

    .hero-lead {
        font-size: 16px;
    }

    .hero-actions {
        align-items: stretch;
        margin-bottom: 34px;
        flex-direction: column;
    }

    .hero-actions .button {
        width: 100%;
    }

    .ghost-link {
        justify-content: center;
        min-height: 44px;
    }

    .hero-visual {
        min-height: 520px;
    }

    .hero-phone-main {
        width: 236px;
        height: 472px;
    }

    .hero-phone-left,
    .hero-phone-right {
        top: 126px;
        width: 152px;
        height: 304px;
    }

    .hero-phone-left {
        left: -9%;
    }

    .hero-phone-right {
        right: -9%;
    }

    .orbit-one {
        width: 480px;
        height: 390px;
    }

    .hero-logo {
        right: 1%;
        bottom: 6px;
        width: 88px;
    }

    .section-heading {
        margin-bottom: 34px;
    }

    .section-heading h2 {
        font-size: 36px;
    }

    .screen-grid {
        display: flex;
        width: calc(100% + 14px);
        margin-right: -14px;
        padding: 4px 22vw 26px 0;
        gap: 16px;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        scrollbar-width: thin;
    }

    .screen-card {
        min-width: min(78vw, 320px);
        scroll-snap-align: start;
    }

    .screen-shot {
        height: 440px;
    }

    .channels-layout,
    .reading-layout {
        grid-template-columns: 1fr;
    }

    .channel-orbit {
        min-height: 430px;
        transform: scale(0.84);
    }

    .channels-content {
        margin-top: -44px;
    }

    .discovery-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .radar-badge {
        margin-top: -24px;
        margin-bottom: 34px;
    }

    .catalog-panel,
    .discovery-path,
    .device-panel {
        padding: 22px;
        border-radius: 18px;
    }

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

    .reading-layout {
        gap: 50px;
    }

    .reading-visual {
        min-height: 584px;
    }

    .detail-phone {
        width: 270px;
        height: 566px;
    }

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

    .review-grid {
        display: flex;
        width: calc(100% + 14px);
        margin-right: -14px;
        padding: 4px 18vw 24px 0;
        gap: 16px;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
    }

    .review-card {
        min-width: min(82vw, 350px);
        min-height: 390px;
        scroll-snap-align: start;
    }

    .faq {
        background: linear-gradient(180deg, var(--navy) 0 30%, #f8fbff 30% 100%);
    }

    .help-orbit {
        position: relative;
        right: auto;
        margin: 28px auto 0;
    }

    .accordion-item button {
        min-height: 70px;
    }

    .accordion-item button span {
        gap: 10px;
        font-size: 14px;
    }

    .accordion-panel {
        padding: 0 10px 22px 32px;
    }

    .download-inner {
        align-items: flex-start;
        min-height: 330px;
        padding-top: 62px;
        padding-bottom: 62px;
        flex-direction: column;
    }

    .download-inner .button {
        width: 100%;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 26px;
        padding-top: 40px;
        padding-bottom: 34px;
    }

    .footer-nav {
        justify-self: start;
    }

    .footer-nav ul {
        justify-content: flex-start;
    }

    .footer-bottom {
        align-items: flex-start;
        gap: 16px;
        padding: 20px 0;
        flex-direction: column;
    }

    .lightbox {
        padding: 64px 18px 28px;
    }

    .lightbox-close {
        top: 12px;
        right: 12px;
    }
}

@media (max-width: 479px) {
    .hero-points {
        gap: 12px 16px;
    }

    .hero-points li {
        font-size: 12px;
    }

    .hero-visual {
        min-height: 446px;
    }

    .hero-phone-main {
        width: 202px;
        height: 404px;
    }

    .hero-phone-left,
    .hero-phone-right {
        top: 118px;
        width: 126px;
        height: 252px;
        border-width: 5px;
    }

    .hero-logo {
        width: 72px;
    }

    .screen-shot {
        height: 400px;
    }

    .channel-orbit {
        min-height: 390px;
        transform: scale(0.72);
    }

    .channels-content {
        margin-top: -70px;
    }

    .path-list li {
        grid-template-columns: 28px 40px 1fr;
        padding: 13px;
    }

    .reading-visual {
        min-height: 526px;
    }

    .detail-phone {
        width: 238px;
        height: 499px;
    }

    .reading-orbit {
        width: 340px;
        height: 340px;
    }

    .detail-chip {
        font-size: 10px;
    }

    .device-results div {
        grid-template-columns: 82px 1fr;
    }
}

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

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