@charset "UTF-8";
:root {
    --blue: #075ba9;
    --blue-strong: #034781;
    --blue-deep: #052d58;
    --blue-ink: #031d3a;
    --blue-soft: #e9f5ff;
    --blue-pale: #f4f9ff;
    --yellow: #ffdc16;
    --yellow-strong: #ffc900;
    --ivory: #fffdf7;
    --white: #ffffff;
    --ink: #09243f;
    --muted: #62758a;
    --line: #d6e4f0;
    --coral: #ff7c68;
    --shadow: 0 22px 60px rgba(1, 42, 82, 0.14);
    --shadow-soft: 0 12px 36px rgba(7, 62, 112, 0.09);
    --radius: 24px;
    --header-height: 76px;
}

* {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    color: var(--ink);
    background: var(--ivory);
    font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

button {
    color: inherit;
}

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

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

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

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

[hidden] {
    display: none !important;
}

:focus-visible {
    outline: 3px solid rgba(255, 220, 22, 0.9);
    outline-offset: 4px;
}

.skip-link {
    position: fixed;
    z-index: 2000;
    top: 12px;
    left: 12px;
    padding: 10px 16px;
    border-radius: 10px;
    color: var(--white);
    background: var(--blue-deep);
    transform: translateY(-160%);
    transition: transform 0.2s ease;
}

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

.container,
.header-inner {
    width: min(calc(100% - 40px), 1200px);
    margin-right: auto;
    margin-left: auto;
}

.section {
    position: relative;
    padding: 112px 0;
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: var(--blue);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.14em;
}

.eyebrow span {
    width: 28px;
    height: 3px;
    border-radius: 3px;
    background: var(--yellow-strong);
}

.eyebrow-light {
    color: rgba(255, 255, 255, 0.76);
}

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

.section-heading h2,
.faq-intro h2,
.download-inner h2 {
    margin-bottom: 12px;
    color: var(--blue-ink);
    font-size: clamp(34px, 4vw, 52px);
    line-height: 1.15;
    letter-spacing: -0.04em;
}

.section-heading p,
.faq-intro > p,
.download-inner p {
    color: var(--muted);
}

.split-heading {
    display: grid;
    grid-template-columns: 1fr minmax(300px, 470px);
    align-items: end;
    gap: 40px;
}

.split-heading > p {
    margin-bottom: 4px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 46px;
    padding: 0 24px;
    border: 0;
    border-radius: 999px;
    font-weight: 800;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
    transform: translateY(-2px);
}

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

.button-primary {
    color: var(--blue-ink);
    background: var(--yellow);
    box-shadow: 0 10px 0 rgba(1, 34, 68, 0.22);
}

.button-primary:hover {
    background: #ffe740;
    box-shadow: 0 12px 0 rgba(1, 34, 68, 0.28);
}

.button-large {
    min-height: 58px;
    padding: 0 34px;
    font-size: 16px;
}

.icon {
    display: inline-flex;
    width: 1.2em;
    height: 1.2em;
    flex: 0 0 auto;
}

.icon::before {
    width: 100%;
    height: 100%;
    content: "";
    background: currentColor;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-position: center;
    -webkit-mask-size: contain;
    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-arrow::before {
    -webkit-mask-image: url("../icons/arrow.svg");
    mask-image: url("../icons/arrow.svg");
}

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

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

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

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

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

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

.site-header {
    position: sticky;
    z-index: 1000;
    top: 0;
    height: var(--header-height);
    border-bottom: 1px solid rgba(8, 65, 115, 0.08);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(16px);
}

.site-header.is-scrolled {
    box-shadow: 0 10px 30px rgba(3, 45, 88, 0.08);
}

.header-inner {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex: 0 0 auto;
    font-size: 20px;
    font-weight: 900;
    letter-spacing: -0.04em;
}

.brand img {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    object-fit: cover;
}

.site-nav {
    margin-left: auto;
}

.site-nav ul {
    display: flex;
    align-items: center;
    gap: clamp(12px, 1.6vw, 24px);
}

.site-nav a {
    position: relative;
    display: flex;
    align-items: center;
    height: var(--header-height);
    color: #34506a;
    font-size: 14px;
    font-weight: 700;
    white-space: nowrap;
}

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

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

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

.header-download {
    min-height: 42px;
    padding: 0 18px;
    color: var(--blue-ink);
    background: var(--yellow);
}

.menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    margin-left: auto;
    border: 0;
    border-radius: 14px;
    color: var(--white);
    background: var(--blue);
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.hero {
    position: relative;
    min-height: 680px;
    color: var(--white);
    background:
        radial-gradient(circle at 14% 18%, rgba(79, 167, 244, 0.58), transparent 28%),
        linear-gradient(125deg, var(--blue) 0%, #075294 48%, var(--blue-deep) 100%);
    overflow: hidden;
}

.hero::before {
    position: absolute;
    right: -7%;
    bottom: -130px;
    left: -7%;
    height: 230px;
    border-radius: 50% 50% 0 0;
    content: "";
    background: var(--ivory);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.16;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.32) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.32) 1px, transparent 1px);
    background-size: 42px 42px;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 70%);
    mask-image: linear-gradient(90deg, transparent, #000 70%);
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(470px, 0.95fr);
    align-items: center;
    min-height: 620px;
    padding-bottom: 56px;
    gap: 46px;
}

.hero-copy {
    position: relative;
    z-index: 3;
    max-width: 620px;
}

.hero-copy h1 {
    margin-bottom: 20px;
    color: var(--yellow);
    font-size: clamp(58px, 6.7vw, 88px);
    line-height: 0.98;
    letter-spacing: -0.07em;
    text-shadow: 0 8px 0 rgba(1, 36, 70, 0.2);
}

.hero-lead {
    max-width: 590px;
    margin-bottom: 32px;
    color: rgba(255, 255, 255, 0.86);
    font-size: 17px;
    line-height: 1.9;
}

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

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

.text-link .icon {
    transition: transform 0.2s ease;
}

.text-link:hover .icon {
    transform: translateX(5px);
}

.hero-points {
    display: flex;
    margin-top: 46px;
    gap: 30px;
}

.hero-points li {
    display: grid;
    color: rgba(255, 255, 255, 0.82);
    font-size: 13px;
}

.hero-points span {
    margin-bottom: 4px;
    color: var(--yellow);
    font-size: 12px;
    font-weight: 900;
}

.hero-visual {
    position: relative;
    align-self: stretch;
    min-height: 610px;
}

.phone {
    position: absolute;
    padding: 12px;
    border: 6px solid #06192c;
    border-radius: 38px;
    background: #06192c;
    box-shadow: 0 34px 70px rgba(0, 18, 43, 0.38);
    overflow: hidden;
}

.phone img {
    width: 100%;
    height: 100%;
    border-radius: 24px;
    object-fit: cover;
    object-position: top;
}

.phone-speaker {
    position: absolute;
    z-index: 2;
    top: 17px;
    left: 50%;
    width: 72px;
    height: 8px;
    border-radius: 8px;
    background: #08121f;
    transform: translateX(-50%);
}

.phone-back {
    top: 90px;
    left: 8px;
    width: 248px;
    height: 490px;
    transform: rotate(-7deg);
}

.phone-front {
    z-index: 2;
    top: 42px;
    right: 18px;
    width: 286px;
    height: 565px;
    transform: rotate(3deg);
}

.hero-note {
    position: absolute;
    z-index: 3;
    top: 25px;
    right: -12px;
    padding: 15px 18px;
    color: var(--blue-deep);
    border-radius: 5px;
    background: var(--yellow);
    font-size: 14px;
    font-weight: 900;
    line-height: 1.35;
    transform: rotate(4deg);
    box-shadow: 6px 7px 0 rgba(2, 30, 58, 0.2);
}

.hero-index {
    position: absolute;
    right: -18px;
    bottom: 76px;
    color: rgba(255, 255, 255, 0.45);
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 0.18em;
    writing-mode: vertical-rl;
}

.interface-section {
    padding-top: 80px;
    background: var(--ivory);
}

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

.screen-card {
    min-width: 0;
}

.screen-preview {
    position: relative;
    display: block;
    width: 100%;
    padding: 0;
    border: 0;
    border-radius: 24px;
    background: transparent;
    cursor: zoom-in;
}

.screen-frame {
    display: block;
    aspect-ratio: 9 / 16;
    padding: 9px;
    border: 2px solid var(--blue-ink);
    border-radius: 26px;
    background: var(--white);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.screen-frame img {
    width: 100%;
    height: 100%;
    border-radius: 17px;
    object-fit: cover;
    object-position: top;
}

.screen-frame-crop img {
    object-position: center top;
}

.preview-hint {
    position: absolute;
    right: 18px;
    bottom: 18px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    color: var(--white);
    border-radius: 999px;
    background: rgba(3, 29, 58, 0.86);
    font-size: 12px;
    font-weight: 800;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.screen-preview:hover .screen-frame {
    transform: translateY(-9px);
    box-shadow: var(--shadow);
}

.screen-preview:hover .preview-hint,
.screen-preview:focus-visible .preview-hint {
    opacity: 1;
    transform: translateY(0);
}

.screen-caption {
    display: flex;
    align-items: flex-start;
    padding: 20px 8px 0;
    gap: 12px;
}

.screen-caption > span {
    color: var(--blue);
    font-size: 12px;
    font-weight: 900;
}

.screen-caption h3 {
    margin-bottom: 4px;
    font-size: 18px;
}

.screen-caption p {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 13px;
}

.index-section {
    background:
        linear-gradient(90deg, rgba(7, 91, 169, 0.035) 1px, transparent 1px),
        linear-gradient(rgba(7, 91, 169, 0.035) 1px, transparent 1px),
        var(--blue-soft);
    background-size: 32px 32px;
}

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

.index-heading > div:first-child {
    max-width: 680px;
}

.index-heading > div > p:last-child {
    max-width: 650px;
}

.hand-note {
    position: relative;
    margin-top: 10px;
    padding: 18px 28px 14px;
    color: var(--blue);
    border-bottom: 4px solid var(--yellow);
    font-family: "KaiTi", "STKaiti", serif;
    font-size: 19px;
    font-weight: 800;
    line-height: 1.55;
    transform: rotate(-3deg);
}

.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 28px;
    gap: 10px;
}

.filter-tabs button {
    min-height: 44px;
    padding: 0 21px;
    border: 1px solid #bad4e9;
    border-radius: 999px;
    color: var(--blue-deep);
    background: rgba(255, 255, 255, 0.7);
    font-weight: 800;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.filter-tabs button:hover {
    border-color: var(--blue);
    transform: translateY(-2px);
}

.filter-tabs button.is-active {
    color: var(--blue-ink);
    border-color: var(--yellow);
    background: var(--yellow);
}

.index-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-rows: minmax(220px, auto);
    gap: 18px;
}

.index-card {
    position: relative;
    min-width: 0;
    padding: 28px;
    border: 1px solid #c9ddeb;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 12px 30px rgba(7, 70, 125, 0.06);
    overflow: hidden;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.index-card:hover {
    border-color: var(--blue);
    transform: translateY(-5px);
    box-shadow: var(--shadow-soft);
}

.index-card h3 {
    margin-bottom: 10px;
    font-size: 20px;
    line-height: 1.35;
}

.index-card p {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 14px;
}

.index-number {
    margin-bottom: 40px;
    color: var(--blue);
    font-size: 13px;
    font-weight: 900;
}

.bookmark {
    position: absolute;
    top: 0;
    right: 24px;
    padding: 13px 11px 20px;
    color: var(--blue-ink);
    background: var(--yellow);
    font-size: 12px;
    font-weight: 900;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 78%, 0 100%);
}

.index-card-large {
    grid-column: span 2;
    grid-row: span 2;
    padding: 0;
    background: var(--blue-deep);
}

.index-image {
    height: 310px;
    overflow: hidden;
}

.index-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    opacity: 0.78;
}

.index-card-body {
    padding: 28px;
}

.index-card-body span {
    color: var(--yellow);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.18em;
}

.index-card-body h3 {
    margin-top: 7px;
    color: var(--white);
    font-size: 25px;
}

.index-card-body p {
    color: rgba(255, 255, 255, 0.72);
}

.index-card-wide {
    grid-column: span 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--white);
    background: var(--blue);
}

.index-card-wide .index-number {
    margin-bottom: 18px;
    color: var(--yellow);
}

.index-card-wide h3 {
    color: var(--white);
}

.index-card-wide p {
    max-width: 410px;
    color: rgba(255, 255, 255, 0.75);
}

.index-card-wide .icon {
    width: 44px;
    height: 44px;
    margin-left: 20px;
    color: var(--yellow);
}

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

.journey-section {
    background: var(--white);
}

.journey-list {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.journey-list::before {
    position: absolute;
    z-index: 0;
    top: 32px;
    right: 9%;
    left: 9%;
    height: 2px;
    content: "";
    background: repeating-linear-gradient(90deg, var(--blue) 0 10px, transparent 10px 19px);
}

.journey-list li {
    position: relative;
    z-index: 1;
    min-width: 0;
    padding: 74px 20px 28px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: var(--blue-pale);
}

.journey-number {
    position: absolute;
    top: 10px;
    left: 18px;
    display: grid;
    width: 46px;
    height: 46px;
    color: var(--white);
    border: 5px solid var(--white);
    border-radius: 50%;
    background: var(--blue);
    font-size: 12px;
    font-weight: 900;
    place-items: center;
    box-shadow: 0 5px 15px rgba(3, 71, 129, 0.2);
}

.journey-visual,
.journey-symbol {
    height: 150px;
    margin-bottom: 24px;
    border-radius: 17px;
    overflow: hidden;
}

.journey-visual {
    border: 1px solid var(--line);
    background: var(--white);
}

.journey-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.journey-symbol {
    display: grid;
    align-content: center;
    justify-items: center;
    color: var(--white);
    background:
        radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.22), transparent 28%),
        var(--blue);
}

.journey-symbol span {
    font-size: 44px;
    line-height: 1;
}

.journey-symbol strong {
    margin-top: 8px;
    font-size: 14px;
}

.journey-symbol .icon {
    width: 42px;
    height: 42px;
}

.journey-symbol-yellow {
    color: var(--blue-ink);
    background: var(--yellow);
}

.journey-list h3 {
    margin-bottom: 8px;
    font-size: 19px;
}

.journey-list p {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 14px;
}

.service-section {
    padding: 46px 0;
    color: var(--white);
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        var(--blue-deep);
    background-size: 42px 42px;
}

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

.service-card {
    position: relative;
    display: grid;
    grid-template-columns: 58px 1fr;
    align-items: start;
    min-width: 0;
    padding: 18px 32px;
    gap: 20px;
    scroll-margin-top: calc(var(--header-height) + 20px);
}

.service-card + .service-card {
    border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.service-icon {
    display: grid;
    width: 58px;
    height: 58px;
    padding: 15px;
    color: var(--yellow);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.1);
}

.service-card > div > p {
    margin-bottom: 2px;
    color: rgba(255, 255, 255, 0.48);
    font-size: 9px;
    font-weight: 900;
    letter-spacing: 0.15em;
}

.service-card h2 {
    margin-bottom: 7px;
    color: var(--white);
    font-size: 21px;
}

.service-card span {
    color: rgba(255, 255, 255, 0.68);
    font-size: 13px;
}

.device-button {
    grid-column: 2;
    justify-self: start;
    min-height: 38px;
    margin-top: 12px;
    padding: 0 16px;
    color: var(--blue-ink);
    border: 0;
    border-radius: 999px;
    background: var(--yellow);
    font-size: 12px;
    font-weight: 900;
    cursor: pointer;
}

.reviews-section {
    background:
        radial-gradient(circle at 10% 14%, rgba(255, 220, 22, 0.18), transparent 19%),
        var(--blue-soft);
}

.review-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 30px;
}

.review-heading p:last-child {
    margin-bottom: 0;
}

.review-controls {
    display: none;
    gap: 10px;
}

.review-controls button {
    display: grid;
    width: 46px;
    height: 46px;
    padding: 0;
    color: var(--blue);
    border: 1px solid #b7d3e9;
    border-radius: 50%;
    background: var(--white);
    cursor: pointer;
    place-items: center;
}

.review-controls button:hover {
    color: var(--white);
    background: var(--blue);
}

.icon-arrow-left {
    transform: rotate(180deg);
}

.review-track {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.review-card {
    position: relative;
    display: flex;
    min-width: 0;
    min-height: 310px;
    padding: 30px;
    border: 1px solid #bdd7eb;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.92);
    flex-direction: column;
    box-shadow: 0 8px 28px rgba(6, 74, 130, 0.05);
}

.review-card:hover {
    border-color: var(--blue);
}

.review-index {
    position: absolute;
    top: 18px;
    right: 22px;
    color: var(--blue);
    font-size: 11px;
    font-weight: 900;
}

.quote-mark {
    height: 42px;
    color: var(--blue);
    font-family: Georgia, serif;
    font-size: 54px;
    font-weight: 900;
    line-height: 1;
}

.review-card > p {
    margin-bottom: 24px;
    color: #314b63;
    font-size: 14px;
    line-height: 1.86;
}

.reviewer {
    display: flex;
    align-items: center;
    margin-top: auto;
    padding-top: 18px;
    border-top: 1px solid var(--line);
    gap: 12px;
}

.reviewer img {
    width: 44px;
    height: 44px;
    border: 3px solid var(--blue-soft);
    border-radius: 50%;
    object-fit: cover;
}

.reviewer strong,
.reviewer span {
    display: block;
}

.reviewer strong {
    font-size: 14px;
}

.reviewer span {
    margin-top: 1px;
    color: var(--muted);
    font-size: 11px;
}

.faq-section {
    background: #f7f9fb;
}

.faq-grid {
    display: grid;
    grid-template-columns: minmax(250px, 0.72fr) minmax(0, 1.45fr);
    gap: 80px;
}

.faq-intro > p {
    max-width: 390px;
}

.faq-paper {
    display: flex;
    align-items: center;
    width: 280px;
    margin-top: 52px;
    padding: 22px 26px;
    border: 1px solid #bdd0df;
    background: var(--white);
    gap: 20px;
    transform: rotate(-2deg);
    box-shadow: 7px 8px 0 var(--yellow);
}

.faq-paper span {
    color: var(--blue);
    font-family: Georgia, serif;
    font-size: 42px;
    font-weight: 900;
}

.faq-paper strong {
    font-family: "KaiTi", "STKaiti", serif;
    font-size: 17px;
}

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

.faq-item {
    border-bottom: 1px solid #cddae5;
}

.faq-item h3 {
    margin: 0;
}

.faq-item button {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 74px;
    padding: 14px 8px;
    border: 0;
    background: transparent;
    text-align: left;
    cursor: pointer;
}

.faq-item button span {
    display: flex;
    align-items: center;
    gap: 18px;
    font-size: 16px;
    font-weight: 800;
}

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

.faq-item button .icon {
    color: var(--blue);
    transition: transform 0.25s ease;
}

.faq-item.is-open button .icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 54px 24px;
}

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

.download-section {
    position: relative;
    color: var(--white);
    background:
        radial-gradient(circle at 15% 30%, rgba(255, 220, 22, 0.22), transparent 17%),
        linear-gradient(120deg, var(--blue) 0%, #064c8a 55%, var(--blue-deep) 100%);
    overflow: hidden;
}

.download-section::after {
    position: absolute;
    top: -35px;
    right: 7%;
    width: 220px;
    height: 220px;
    border: 44px solid rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    content: "";
}

.download-inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 280px;
    gap: 50px;
}

.download-inner h2 {
    margin-bottom: 8px;
    color: var(--yellow);
    font-size: clamp(45px, 5vw, 68px);
}

.download-inner p {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.74);
}

.download-inner .button {
    min-width: 220px;
}

.site-footer {
    color: rgba(255, 255, 255, 0.66);
    background: var(--blue-ink);
}

.footer-main {
    display: grid;
    grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
    padding-top: 58px;
    padding-bottom: 42px;
    gap: 80px;
}

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

.brand-footer img {
    width: 50px;
    height: 50px;
}

.footer-brand p {
    max-width: 360px;
    margin: 18px 0 0;
    font-size: 13px;
}

.footer-nav ul {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px 18px;
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.76);
    font-size: 13px;
}

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

.footer-bottom {
    display: flex;
    align-items: center;
    min-height: 70px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    gap: 30px;
}

.footer-bottom p {
    margin: 0;
    font-size: 12px;
}

.footer-bottom p:nth-child(2) {
    margin-left: auto;
}

.site-statistics {
    line-height: 1;
}

.lightbox {
    position: fixed;
    z-index: 1800;
    inset: 0;
    display: grid;
    padding: 70px 24px 24px;
    background: rgba(2, 19, 37, 0.9);
    opacity: 0;
    visibility: hidden;
    place-items: center;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

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

.lightbox-content {
    max-width: min(460px, 90vw);
    max-height: calc(100vh - 110px);
    padding: 10px;
    border-radius: 26px;
    background: var(--white);
    box-shadow: 0 28px 90px rgba(0, 0, 0, 0.4);
    overflow: auto;
}

.lightbox-content img {
    width: auto;
    max-width: 100%;
    max-height: calc(100vh - 130px);
    margin: auto;
    border-radius: 18px;
}

.lightbox-close {
    position: absolute;
    top: 22px;
    right: 26px;
    display: grid;
    width: 46px;
    height: 46px;
    padding: 0;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.32);
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
    place-items: center;
}

.download-feedback {
    position: fixed;
    z-index: 1900;
    right: 24px;
    bottom: 24px;
    padding: 13px 18px;
    color: var(--white);
    border-radius: 12px;
    background: var(--blue-ink);
    font-size: 13px;
    font-weight: 800;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(16px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.download-feedback.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1199px) {
    .header-inner {
        gap: 16px;
    }

    .site-nav ul {
        gap: 13px;
    }

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

    .hero-grid {
        grid-template-columns: minmax(0, 1fr) 470px;
    }

    .phone-front {
        right: 4px;
        width: 264px;
        height: 522px;
    }

    .phone-back {
        width: 225px;
        height: 445px;
    }
}

@media (max-width: 991px) {
    :root {
        --header-height: 70px;
    }

    .menu-toggle {
        display: inline-flex;
    }

    .site-nav {
        position: absolute;
        top: calc(100% + 10px);
        right: 0;
        left: 0;
        margin: 0;
        padding: 12px;
        border: 1px solid var(--line);
        border-radius: 18px;
        background: var(--white);
        box-shadow: var(--shadow);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    }

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

    .site-nav ul {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 4px;
    }

    .site-nav a {
        height: 48px;
        padding: 0 14px;
        border-radius: 11px;
    }

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

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

    .hero {
        min-height: auto;
    }

    .hero-grid {
        grid-template-columns: minmax(0, 0.95fr) minmax(380px, 1.05fr);
        min-height: 590px;
        gap: 20px;
    }

    .hero-copy h1 {
        font-size: 58px;
    }

    .hero-points {
        gap: 18px;
    }

    .phone-front {
        width: 236px;
        height: 468px;
    }

    .phone-back {
        top: 110px;
        width: 200px;
        height: 396px;
    }

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

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

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

    .journey-list::before {
        display: none;
    }

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

    .service-card + .service-card {
        border-top: 1px solid rgba(255, 255, 255, 0.16);
        border-left: 0;
    }

    .faq-grid {
        grid-template-columns: 0.7fr 1.3fr;
        gap: 40px;
    }
}

@media (max-width: 767px) {
    :root {
        --header-height: 66px;
    }

    .container,
    .header-inner {
        width: min(calc(100% - 32px), 1200px);
    }

    .section {
        padding: 76px 0;
    }

    .brand {
        gap: 9px;
        font-size: 17px;
    }

    .brand img {
        width: 40px;
        height: 40px;
        border-radius: 10px;
    }

    .header-download {
        display: none;
    }

    .hero::before {
        bottom: -92px;
        height: 150px;
    }

    .hero-grid {
        display: flex;
        min-height: auto;
        padding-top: 72px;
        padding-bottom: 104px;
        flex-direction: column;
    }

    .hero-copy {
        width: 100%;
        max-width: none;
    }

    .hero-copy h1 {
        font-size: clamp(50px, 16vw, 70px);
    }

    .hero-lead {
        font-size: 15px;
    }

    .hero-actions {
        align-items: stretch;
        flex-direction: column;
        gap: 18px;
    }

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

    .text-link {
        justify-content: center;
    }

    .hero-points {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        margin-top: 34px;
        gap: 8px;
    }

    .hero-points li {
        padding: 12px 8px;
        border: 1px solid rgba(255, 255, 255, 0.16);
        border-radius: 12px;
        font-size: 11px;
    }

    .hero-visual {
        width: 100%;
        min-height: 480px;
    }

    .phone-front {
        top: 32px;
        right: 8%;
        width: min(55vw, 244px);
        height: min(108vw, 480px);
    }

    .phone-back {
        top: 88px;
        left: 7%;
        width: min(48vw, 212px);
        height: min(95vw, 420px);
    }

    .hero-note {
        top: 4px;
        right: 2px;
        padding: 12px;
        font-size: 12px;
    }

    .hero-index {
        display: none;
    }

    .split-heading,
    .faq-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

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

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

    .screen-grid {
        display: flex;
        margin-right: -16px;
        margin-left: -16px;
        padding: 6px 16px 20px;
        gap: 16px;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        scrollbar-width: none;
    }

    .screen-grid::-webkit-scrollbar,
    .review-track::-webkit-scrollbar {
        display: none;
    }

    .screen-card {
        min-width: min(76vw, 300px);
        scroll-snap-align: start;
    }

    .preview-hint {
        opacity: 1;
        transform: none;
    }

    .index-heading {
        display: block;
    }

    .hand-note {
        display: inline-block;
        margin-top: 24px;
    }

    .filter-tabs {
        flex-wrap: nowrap;
        margin-right: -16px;
        padding-right: 16px;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .filter-tabs button {
        flex: 0 0 auto;
    }

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

    .index-card-large,
    .index-card-wide {
        grid-column: auto;
        grid-row: auto;
    }

    .index-image {
        height: 250px;
    }

    .journey-list {
        grid-template-columns: 1fr;
        padding-left: 14px;
    }

    .journey-list::before {
        display: block;
        top: 30px;
        bottom: 30px;
        left: 36px;
        width: 2px;
        height: auto;
        background: repeating-linear-gradient(180deg, var(--blue) 0 10px, transparent 10px 19px);
    }

    .journey-list li {
        padding-left: 74px;
    }

    .journey-number {
        top: 22px;
        left: 10px;
    }

    .service-card {
        padding-right: 12px;
        padding-left: 12px;
    }

    .review-heading {
        align-items: flex-end;
    }

    .review-controls {
        display: flex;
    }

    .review-track {
        display: flex;
        margin-right: -16px;
        margin-left: -16px;
        padding: 6px 16px 22px;
        gap: 16px;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        scrollbar-width: none;
    }

    .review-card {
        min-width: min(84vw, 360px);
        scroll-snap-align: start;
    }

    .faq-paper {
        display: none;
    }

    .accordion {
        margin-top: 28px;
    }

    .faq-item button {
        min-height: 68px;
    }

    .faq-item button span {
        gap: 12px;
        font-size: 14px;
    }

    .faq-answer {
        padding-right: 8px;
        padding-left: 40px;
    }

    .download-inner {
        min-height: 330px;
        padding: 58px 0;
        align-items: stretch;
        flex-direction: column;
        justify-content: center;
        gap: 32px;
    }

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

    .footer-main {
        grid-template-columns: 1fr;
        gap: 38px;
    }

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

    .footer-bottom {
        align-items: flex-start;
        padding: 22px 0;
        flex-direction: column;
        gap: 8px;
    }

    .footer-bottom p:nth-child(2) {
        margin-left: 0;
    }

    .download-feedback {
        right: 16px;
        bottom: max(16px, env(safe-area-inset-bottom));
        left: 16px;
        text-align: center;
    }
}

@media (max-width: 479px) {
    .container,
    .header-inner {
        width: min(calc(100% - 24px), 1200px);
    }

    .site-nav ul {
        grid-template-columns: 1fr;
    }

    .site-nav {
        max-height: calc(100vh - 88px);
        overflow-y: auto;
    }

    .hero-grid {
        padding-top: 54px;
    }

    .hero-copy h1 {
        font-size: 50px;
    }

    .hero-points {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        min-height: 420px;
    }

    .phone-front {
        right: 3%;
    }

    .phone-back {
        left: 2%;
    }

    .screen-card {
        min-width: 82vw;
    }

    .index-card {
        padding: 24px;
    }

    .index-card-large {
        padding: 0;
    }

    .index-card-wide {
        align-items: flex-start;
    }

    .index-card-wide .icon {
        width: 32px;
        height: 32px;
    }

    .journey-list li {
        padding-right: 16px;
        padding-left: 66px;
    }

    .service-card {
        grid-template-columns: 50px 1fr;
        gap: 14px;
    }

    .service-icon {
        width: 50px;
        height: 50px;
        padding: 13px;
    }

    .device-button {
        grid-column: 1 / -1;
        width: 100%;
        min-height: 44px;
    }

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

    .review-card {
        min-width: 88vw;
        padding: 26px 24px;
    }

    .lightbox {
        padding-right: 12px;
        padding-left: 12px;
    }
}

@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;
    }
}