:root {
    --bg: #050510;
    --bg-soft: #0b0c1b;
    --card: rgba(20, 21, 41, 0.62);
    --card-strong: rgba(25, 25, 48, 0.88);
    --line: rgba(255, 255, 255, 0.1);
    --text: #f7f6ff;
    --muted: #aaa9bd;
    --pink: #ff5cdf;
    --violet: #8b70ff;
    --cyan: #5ee7ef;
    --warm: #ffb7d5;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
    --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at 15% 8%, rgba(255, 92, 223, 0.12), transparent 26rem),
        radial-gradient(circle at 83% 22%, rgba(94, 231, 239, 0.09), transparent 30rem),
        var(--bg);
    font-family: "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.7;
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0 auto 0 0;
    width: 100%;
    z-index: -1;
    pointer-events: none;
    opacity: 0.28;
    background-image:
        linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(to bottom, black, transparent 86%);
}

a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
img { display: block; max-width: 100%; }
section { position: relative; padding: 110px 0; scroll-margin-top: 88px; }
.ru-container { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; }

.ru-site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    border-bottom: 1px solid transparent;
    background: rgba(5, 5, 16, .42);
    backdrop-filter: blur(16px) saturate(140%);
    -webkit-backdrop-filter: blur(16px) saturate(140%);
}

.ru-site-header.ru-scrolled {
    border-color: var(--line);
    background: rgba(5, 5, 16, .72);
    box-shadow: 0 12px 35px rgba(0,0,0,.25);
    backdrop-filter: blur(20px) saturate(150%);
}

.ru-nav { height: 76px; display: flex; align-items: center; justify-content: space-between; }
.ru-brand { display: inline-flex; align-items: center; gap: 11px; font-size: 20px; font-weight: 800; }
.ru-brand img { width: 38px; height: 38px; border-radius: 11px; box-shadow: 0 0 30px rgba(255,92,223,.28); }
.ru-brand span span { color: var(--pink); }
.ru-nav-links { display: flex; align-items: center; gap: 34px; color: #cfcedd; font-size: 14px; font-weight: 600; }
.ru-nav-links a { }
.ru-nav-links a:hover { color: #fff; }
.ru-nav-actions { display: flex; align-items: center; gap: 12px; }

.ru-button {
    min-height: 46px;
    padding: 0 22px;
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    font-weight: 700;
    cursor: pointer;
    background: rgba(255,255,255,.055);
}

.ru-button:hover { border-color: rgba(255,255,255,.3); }
.ru-button-primary {
    color: #0d0712;
    border: 0;
    background: linear-gradient(110deg, #fff 0%, #ffcbed 25%, #ff6be2 62%, #78e8f1 120%);
    box-shadow: 0 10px 35px rgba(255, 92, 223, .26), inset 0 1px 0 rgba(255,255,255,.9);
}
.ru-button-primary:hover { box-shadow: 0 15px 45px rgba(255, 92, 223, .4); }
.ru-button i, .ru-button svg { width: 18px; height: 18px; font-size: 18px; line-height: 1; }
.ru-menu-button { display: none; width: 44px; height: 44px; padding: 0; }

.ru-hero { min-height: 760px; padding: 200px 0 ; display: flex; align-items: center; }
.ru-hero-grid { display: grid; grid-template-columns: 1.03fr .97fr; align-items: center; gap: 76px; }
.ru-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 24px;
    color: #deddeb;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0;
}
.ru-eyebrow::before { content: ""; width: 28px; height: 1px; background: linear-gradient(90deg, var(--pink), var(--cyan)); box-shadow: 0 0 12px var(--pink); }
h1 { max-width: 680px; margin: 0; font-size: clamp(46px, 6vw, 78px); line-height: 1.09; letter-spacing: 0; font-weight: 900; }
.ru-metal-text {
    color: transparent;
    background: linear-gradient(110deg, #fff 8%, #ff9ee8 37%, #8c6cff 62%, #aafaff 92%);
    background-clip: text;
    -webkit-background-clip: text;
    filter: drop-shadow(0 0 22px rgba(255, 92, 223, .18));
}
.ru-hero-copy > p { max-width: 580px; margin: 26px 0 32px; color: #bbb9cc; font-size: 17px; }
.ru-hero-actions { display: flex; flex-wrap: wrap; gap: 13px; }
.ru-hero-actions a {min-height: 56px;}
.ru-hero-note { display: flex; align-items: center; gap: 9px; margin-top: 25px; color: #848397; font-size: 12px; }
.ru-hero-note i, .ru-hero-note svg { width: 15px; color: var(--cyan); font-size: 15px; line-height: 1; }

.ru-hero-art { position: relative; height: 540px; isolation: isolate; }
.ru-hero-art.ru-reveal {
    opacity: 0;
    transform: translateY(24px) scale(.98);
    animation: ru-hero-art-enter .8s cubic-bezier(.22, 1, .36, 1) .12s forwards;
}
.ru-hero-art::before {
    content: "";
    position: absolute;
    width: 400px;
    height: 400px;
    left: 50%;
    top: 50%;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    background: conic-gradient(from 190deg, #251042, #f453d6, #6ce7ef, #4c3d9d, #251042);
    filter: blur(60px);
    opacity: .32;
}

.ru-liquid-core {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 310px;
    aspect-ratio: 1;
    transform: translate(-50%, -50%);
    border-radius: 44% 56% 61% 39% / 48% 38% 62% 52%;
    background:
        radial-gradient(circle at 30% 22%, #fff 0 2%, rgba(255,255,255,.9) 3%, transparent 16%),
        radial-gradient(circle at 32% 26%, #ffc2f1 0%, #c758e9 25%, transparent 58%),
        radial-gradient(circle at 71% 66%, #86f3f6 0%, #6847b8 28%, #170927 66%);
    box-shadow:
        inset -30px -30px 80px rgba(7,6,25,.85),
        inset 25px 18px 45px rgba(255,255,255,.22),
        0 0 0 1px rgba(255,255,255,.24),
        0 0 70px rgba(255,92,223,.34),
        0 35px 90px rgba(0,0,0,.45);
    animation: ru-liquid-morph 8s ease-in-out infinite;
}

.ru-liquid-core::after {
    content: "R";
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    color: rgba(255,255,255,.88);
    font-size: 112px;
    line-height: 1;
    font-weight: 900;
    text-shadow: 0 4px 22px rgba(58, 16, 86, .5);
}

.ru-orbit { position: absolute; inset: 37px; border: 1px solid rgba(255,255,255,.11); border-radius: 50%; transform: rotate(-14deg); }
.ru-orbit::before, .ru-orbit::after { content: ""; position: absolute; border-radius: 50%; box-shadow: 0 0 22px currentColor; }
.ru-orbit::before { width: 10px; height: 10px; left: 12%; top: 13%; color: var(--pink); background: currentColor; }
.ru-orbit::after { width: 7px; height: 7px; right: 10%; bottom: 21%; color: var(--cyan); background: currentColor; }

.ru-chat-float {
    position: absolute;
    z-index: 2;
    max-width: 235px;
    padding: 15px 17px;
    border: 1px solid rgba(255,255,255,.16);
    border-radius: 8px 8px 8px 2px;
    background: rgba(16,17,34,.64);
    box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.08);
    backdrop-filter: blur(18px) saturate(140%);
    color: #e7e5f1;
    font-size: 13px;
    animation: ru-chat-float 5s ease-in-out infinite;
}
.ru-chat-float small { display: block; margin-bottom: 3px; color: var(--pink); font-size: 10px; font-weight: 700; }
.ru-chat-one { left: 0; top: 76px; }
.ru-chat-two { right: -12px; bottom: 58px; animation-delay: -2.2s; }
.ru-chat-two small { color: var(--cyan); }
.ru-sound-wave { position: absolute; right: 3%; top: 87px; display: flex; align-items: center; gap: 4px; height: 32px; }
.ru-sound-wave span { width: 3px; height: 8px; border-radius: 4px; background: linear-gradient(var(--cyan), var(--pink)); box-shadow: 0 0 10px rgba(94,231,239,.45); animation: ru-sound-wave 1.2s ease-in-out infinite; }
.ru-sound-wave span:nth-child(2) { height: 18px; animation-delay: -.3s; }
.ru-sound-wave span:nth-child(3) { height: 27px; animation-delay: -.5s; }
.ru-sound-wave span:nth-child(4) { height: 14px; animation-delay: -.2s; }
.ru-sound-wave span:nth-child(5) { height: 22px; animation-delay: -.7s; }

@keyframes ru-hero-art-enter {
    to { opacity: 1; transform: none; }
}

@keyframes ru-liquid-morph {
    0%, 100% { border-radius: 44% 56% 61% 39% / 48% 38% 62% 52%; transform: translate(-50%, -50%) rotate(-3deg); }
    50% { border-radius: 58% 42% 45% 55% / 35% 56% 44% 65%; transform: translate(-50%, -50%) rotate(4deg); }
}

@keyframes ru-chat-float {
    50% { transform: translateY(-11px); }
}

@keyframes ru-sound-wave {
    50% { transform: scaleY(.4); opacity: .55; }
}

.ru-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 44px; }
.ru-section-heading .ru-heading-copy { max-width: 680px; }
.ru-section-kicker { margin-bottom: 12px; color: var(--pink); font-size: 12px; font-weight: 800; text-transform: uppercase; }
.ru-section-title { margin: 0; font-size: clamp(32px, 4vw, 52px); line-height: 1.2; letter-spacing: 0; font-weight: 800; }
.ru-section-heading p { max-width: 500px; margin: 0 0 5px; color: var(--muted); font-size: 15px; }

.ru-showcase { padding-top: 80px; }
.ru-product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.ru-product-shot {
    position: relative;
    margin: 0;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 8px;
    background: #111226;
    box-shadow: 0 25px 70px rgba(0,0,0,.32);
}
.ru-product-shot::after { content: ""; position: absolute; inset: 0; pointer-events: none; box-shadow: inset 0 1px 0 rgba(255,255,255,.14); }
.ru-product-shot img { width: 100%; aspect-ratio: 475 / 850; object-fit: cover; }
.ru-shot-label { position: absolute; left: 14px; right: 14px; bottom: 14px; padding: 13px 14px; border: 1px solid rgba(255,255,255,.14); border-radius: 6px; background: rgba(8,9,22,.72); backdrop-filter: blur(16px); }
.ru-shot-label b { display: block; font-size: 13px; }
.ru-shot-label span { color: #aaa9bd; font-size: 11px; }

.ru-features::before { content: ""; position: absolute; inset: 8% 0 auto; height: 75%; background: radial-gradient(ellipse at center, rgba(116,82,202,.11), transparent 68%); pointer-events: none; }
.ru-feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.ru-feature-card {
    position: relative;
    min-height: 250px;
    padding: 28px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: linear-gradient(145deg, rgba(255,255,255,.065), rgba(255,255,255,.022));
    box-shadow: inset 0 1px 0 rgba(255,255,255,.065);
    backdrop-filter: blur(18px);
}
.ru-feature-card:hover { border-color: rgba(255,92,223,.35); background: rgba(255,255,255,.075); }
.ru-feature-card::after { content: ""; position: absolute; width: 140px; height: 140px; right: -75px; bottom: -75px; border: 1px solid rgba(255,255,255,.1); border-radius: 50%; box-shadow: 0 0 40px rgba(255,92,223,.1); }
.ru-feature-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 36px; border: 1px solid rgba(255,255,255,.16); border-radius: 8px; color: var(--pink); background: linear-gradient(145deg, rgba(255,255,255,.15), rgba(255,255,255,.035)); box-shadow: inset 0 1px 0 rgba(255,255,255,.16), 0 12px 30px rgba(0,0,0,.2); }
.ru-feature-icon svg { width: 22px; }
.ru-feature-icon i { font-size: 22px; line-height: 1; }
.ru-feature-card:nth-child(3n+2) .ru-feature-icon { color: var(--cyan); }
.ru-feature-card:nth-child(3n) .ru-feature-icon { color: #b49dff; }
.ru-feature-card .ru-card-title { margin: 0 0 10px; font-size: 19px; font-weight: 700; }
.ru-feature-card p { margin: 0; color: var(--muted); font-size: 14px; }

.ru-process-shell { padding: 42px; border: 1px solid var(--line); border-radius: 8px; background: rgba(15,16,33,.54); backdrop-filter: blur(18px); box-shadow: var(--shadow); }
.ru-timeline { display: grid; grid-template-columns: repeat(4, 1fr); position: relative; }
.ru-timeline::before { content: ""; position: absolute; left: 12.5%; right: 12.5%; top: 25px; height: 1px; background: linear-gradient(90deg, var(--pink), var(--violet), var(--cyan)); box-shadow: 0 0 14px rgba(255,92,223,.32); }
.ru-timeline-item { position: relative; z-index: 1; padding: 0 24px; text-align: center; }
.ru-timeline-dot { width: 51px; height: 51px; margin: 0 auto 22px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.25); border-radius: 50%; color: #fff; background: linear-gradient(145deg, #2b163e, #101329); box-shadow: 0 0 0 7px #0d0e20, 0 0 28px rgba(255,92,223,.24); font-size: 13px; font-weight: 800; }
.ru-timeline-item:nth-child(3) .ru-timeline-dot, .ru-timeline-item:nth-child(4) .ru-timeline-dot { box-shadow: 0 0 0 7px #0d0e20, 0 0 28px rgba(94,231,239,.2); }
.ru-timeline-item .ru-card-title { margin: 0 0 8px; font-size: 17px; font-weight: 700; }
.ru-timeline-item p { margin: 0; color: var(--muted); font-size: 13px; }

.ru-reviews { overflow: hidden; }
.ru-review-grid { column-count: 3; column-gap: 16px; column-fill: balance; }
.ru-review-card { display: inline-block; width: 100%; break-inside: avoid-column; page-break-inside: avoid; vertical-align: top; margin: 0 0 16px; padding: 25px; border: 1px solid var(--line); border-radius: 8px; background: linear-gradient(145deg, rgba(255,255,255,.072), rgba(255,255,255,.025)); box-shadow: inset 0 1px 0 rgba(255,255,255,.07); }
.ru-review-card:nth-child(2n) { background: linear-gradient(145deg, rgba(255,92,223,.07), rgba(255,255,255,.025)); }
.ru-stars { color: #ff8de7; font-size: 13px; letter-spacing: 2px; }
.ru-review-card > p { margin: 17px 0 22px; color: #dad8e5; font-size: 14px; line-height: 1.85; }
.ru-review-user { display: flex; align-items: center; gap: 12px; }
.ru-avatar { width: 38px; height: 38px; display: grid; place-items: center; flex: 0 0 auto; border: 1px solid rgba(255,255,255,.15); border-radius: 50%; color: #fff; background: linear-gradient(145deg, #ef67d7, #4658ae); font-size: 12px; font-weight: 800; }
.ru-review-user b { display: block; font-size: 13px; }
.ru-review-user span { color: #848397; font-size: 11px; }

.ru-faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 70px; align-items: start; }
.ru-faq-intro { position: sticky; top: 120px; }
.ru-faq-intro p { margin: 20px 0 0; color: var(--muted); }
.ru-faq-list { border-top: 1px solid var(--line); }
.ru-faq-item { border-bottom: 1px solid var(--line); }
.ru-faq-question { width: 100%; min-height: 78px; padding: 20px 4px; border: 0; display: flex; align-items: center; justify-content: space-between; gap: 22px; text-align: left; cursor: pointer; background: transparent; font-size: 16px; font-weight: 700; }
.ru-faq-question span:first-child { display: flex; gap: 16px; }
.ru-faq-question em { color: #686779; font-size: 11px; font-style: normal; }
.ru-faq-question .ru-faq-icon { width: 28px; height: 28px; display: grid; place-items: center; flex: 0 0 auto; border: 1px solid var(--line); border-radius: 50%; }
.ru-faq-question .ru-faq-icon svg { width: 15px; }
.ru-faq-question .ru-faq-icon i { font-size: 15px; line-height: 1; }
.ru-faq-item.ru-open .ru-faq-icon { color: var(--pink); transform: rotate(45deg); }
.ru-faq-answer { display: grid; grid-template-rows: 0fr; }
.ru-faq-item.ru-open .ru-faq-answer { grid-template-rows: 1fr; }
.ru-faq-answer > div { overflow: hidden; }
.ru-faq-answer p { margin: 0; padding: 0 48px 24px 31px; color: var(--muted); font-size: 14px; }

.ru-closing { padding-top: 60px; }
.ru-closing-panel { position: relative; min-height: 340px; overflow: hidden; padding: 70px 40px; border: 1px solid rgba(255,255,255,.15); border-radius: 8px; display: grid; place-items: center; text-align: center; background: linear-gradient(120deg, rgba(255,92,223,.12), rgba(139,112,255,.08) 50%, rgba(94,231,239,.1)); box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.1); }
.ru-closing-panel::before { content: ""; position: absolute; width: 390px; height: 390px; top: -270px; left: calc(50% - 195px); border: 1px solid rgba(255,255,255,.18); border-radius: 50%; box-shadow: 0 0 100px rgba(255,92,223,.3), inset 0 -60px 100px rgba(94,231,239,.12); }
.ru-closing-content { position: relative; max-width: 700px; }
.ru-closing .ru-section-title { font-size: clamp(32px, 4.4vw, 56px); }
.ru-closing p { margin: 18px auto 28px; color: #bbb9cc; }

footer { padding: 55px 0 30px; }
.ru-footer-main { display: grid; grid-template-columns: 1.6fr repeat(3, .65fr); gap: 45px; padding-bottom: 42px; }
.ru-footer-about p { max-width: 330px; margin: 18px 0 0; color: #858496; font-size: 13px; }
.ru-footer-col .ru-card-title { margin: 5px 0 16px; font-size: 13px; font-weight: 700; }
.ru-footer-col a { display: block; margin: 9px 0; color: #858496; font-size: 13px; }
.ru-footer-col a:hover { color: #fff; }
.ru-footer-bottom { padding-top: 24px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; color: #686779; font-size: 11px; }
.ru-socials { display: flex; gap: 8px; }
.ru-socials a { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; }
.ru-socials svg { width: 15px; }
.ru-socials i { font-size: 15px; line-height: 1; }

.ru-reveal { opacity: 1; transform: none; }

@media (max-width: 980px) {
    section { padding: 88px 0; }
    .ru-nav-links, .ru-nav-actions > .ru-button { display: none; }
    .ru-nav-actions > .ru-menu-button { display: inline-flex; }
    .ru-nav-links.ru-open { position: absolute; top: 68px; left: 20px; right: 20px; padding: 18px; border: 1px solid var(--line); border-radius: 8px; display: grid; gap: 4px; background: rgba(10,10,25,.94); box-shadow: var(--shadow); backdrop-filter: blur(20px); }
    .ru-nav-links.ru-open a { padding: 11px 10px; }
    .ru-hero { min-height: auto; padding-top: 150px; }
    .ru-hero-grid { grid-template-columns: 1fr; gap: 30px; }
    .ru-hero-copy { text-align: center; }
    .ru-hero-copy h1, .ru-hero-copy > p { margin-left: auto; margin-right: auto; }
    .ru-eyebrow, .ru-hero-actions, .ru-hero-note { justify-content: center; }
    .ru-hero-art { height: 480px; max-width: 620px; width: 100%; margin: 0 auto; }
    .ru-product-grid { grid-template-columns: repeat(2, 1fr); }
    .ru-feature-grid { grid-template-columns: repeat(2, 1fr); }
    .ru-timeline { grid-template-columns: repeat(2, 1fr); gap: 46px 0; }
    .ru-timeline::before { display: none; }
    .ru-faq-layout { grid-template-columns: 1fr; gap: 35px; }
    .ru-faq-intro { position: static; }
}

@media (max-width: 700px) {
    .ru-container { width: min(calc(100% - 28px), var(--container)); }
    section { padding: 72px 0; }
    .ru-nav { height: 68px; }
    h1 { font-size: 43px; }
    .ru-hero { padding-top: 150px; }
    .ru-hero-art {display: none;}
    .ru-hero-copy > p { font-size: 15px; }
    .ru-hero-actions .ru-button { flex: 1 1 100%; }
    .ru-hero-art { height: 390px; }
    .ru-liquid-core { width: 235px; }
    .ru-liquid-core::after { font-size: 82px; }
    .ru-orbit { inset: 26px; }
    .ru-chat-float { max-width: 190px; font-size: 11px; padding: 12px; }
    .ru-chat-one { top: 42px; }
    .ru-chat-two { right: 0; bottom: 35px; }
    .ru-sound-wave { top: 40px; right: 4%; }
    .ru-section-heading { display: block; margin-bottom: 30px; }
    .ru-section-heading p { margin-top: 15px; }
    .ru-product-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .ru-shot-label { display: none; }
    .ru-feature-grid { grid-template-columns: 1fr; }
    .ru-feature-card { min-height: 220px; }
    .ru-process-shell { padding: 30px 18px; }
    .ru-timeline { grid-template-columns: 1fr; gap: 36px; }
    .ru-timeline-item { padding: 0 12px; }
    .ru-review-grid { column-count: 1; }
    .ru-faq-question { min-height: 72px; font-size: 14px; }
    .ru-faq-answer p { padding-left: 31px; padding-right: 8px; }
    .ru-closing-panel { min-height: 390px; padding: 56px 20px; }
    .ru-footer-main { grid-template-columns: 1fr 1fr; }
    .ru-footer-about { grid-column: 1 / -1; }
    .ru-footer-bottom { align-items: flex-start; gap: 20px; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}


/*投诉按钮，严禁改动！！！*/
.report-floating {
    position: fixed;
    right: 20px;
    bottom: 24px;
    z-index: 100;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    font-size: 13px;
    min-height: 44px;
    padding: 0 16px;
    border-radius: 999px;
    background: #2aa0ea;
    color: #fff;
}

.report-floating i {
    font-size: 18px;
    line-height: 1;
}