/* 智电鲨官网首页样式 · 由页面行内样式整理而来 */

/* ---------- 颜色变量：改品牌色只需改这里 ---------- */
:root {
    --bg: #05080D;
    --surface: #0A0F16;
    --black: #000000;
    --white: #FFFFFF;
    --text: #EEF3F7;
    --text-strong: #C9D2DC;
    --text-soft: #B4BFCB;
    --text-muted: #A7B2BF;
    --text-subtle: #8C98A6;
    --text-faint: #6F7B89;
    --text-dim: #5D6875;
    --brand: #00FFE0;
    --brand-soft: #7FFFF0;
    --live-red: #FF4D5E;
    color-scheme: dark;
}

/* ---------- 基础与动画 ---------- */
:root {
    color-scheme: dark;
    background: var(--bg)
}

body {
    margin: 0;
    background: var(--bg)
}

:where(a) {
    color: var(--brand-soft)
}

:where(a):hover {
    color: var(--brand)
}

button:focus-visible, a:focus-visible, summary:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 3px
}

.zd-bar {
    display: inline-block;
    width: 3px;
    border-radius: 2px;
    background: var(--brand);
    transform-origin: center;
    animation: zdwave 1.1s ease-in-out infinite
}

@keyframes zdwave {
    0%, 100% {
        transform: scaleY(.3)
    }
    50% {
        transform: scaleY(1)
    }
}

.zd-rise {
    animation: zdrise .9s cubic-bezier(.2, .7, .2, 1) 1.2s both
}

@keyframes zdrise {
    from {
        opacity: 0;
        transform: translateY(12px)
    }
    to {
        opacity: 1;
        transform: none
    }
}

.zd-cmd {
    animation: zdcmd 9s ease-in-out infinite
}

@keyframes zdcmd {
    0%, 30% {
        border-color: rgba(0, 255, 224, .6);
        background: rgba(0, 255, 224, .10)
    }
    36%, 100% {
        border-color: rgba(255, 255, 255, .08);
        background: rgba(255, 255, 255, .03)
    }
}

@media (prefers-reduced-motion: reduce) {
    .zd-bar, .zd-rise, .zd-cmd {
        animation: none
    }
}

@media (max-width: 760px) {
    .zd-hide-sm {
        display: none !important
    }
}

summary {
    list-style: none;
    cursor: pointer
}

summary::-webkit-details-marker {
    display: none
}

body {
    background: var(--bg);
    color: var(--text)
}

[data-row] {
    transition: background 240ms ease, border-color 240ms ease
}

@media (max-width: 760px) {
    #contact > div {
        padding: 40px 24px !important
    }
}

body {
    margin: 0;
    font-size: 14px
}

img {
    max-width: 100%
}

/* ---------- 页面外层 ---------- */
.page__box {
    width: 100%;
    font-family: 'Geist', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--text);
    background: var(--bg);
    overflow-x: clip;
}

/* ---------- 顶部导航 ---------- */
.nav__bar {
    position: sticky;
    top: env(safe-area-inset-top, 0px);
    z-index: 20;
    background: rgba(5, 8, 13, 0.72);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.nav__row {
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 40px;
}

.nav__link {
    display: flex;
    align-items: baseline;
    gap: 10px;
    text-decoration: none;
    color: var(--white);
    padding: 8px 0;
    line-height: 1;
}

.nav__label {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-style: italic;
    font-weight: 900;
    font-size: 19px;
    color: var(--white);
}

.nav__menu {
    display: flex;
    flex-wrap: wrap;
    gap: 0 28px;
    flex: 1 1 auto;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.nav__link-2 {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    padding: 12px 0;
}

.nav__btn {
    background: var(--text);
    color: var(--bg);
    text-decoration: none;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 14px;
    font-weight: 500;
    padding: 10px 18px;
    border-radius: 999px;
}

/* ---------- 首屏 ---------- */
.hero__section {
    position: relative;
    padding: 96px 24px 112px;
    background: radial-gradient(60% 45% at 50% 0%, rgba(0, 255, 224, 0.16), transparent 70%), radial-gradient(35% 35% at 88% 12%, rgba(46, 107, 255, 0.20), transparent 70%), radial-gradient(30% 30% at 8% 30%, rgba(46, 107, 255, 0.10), transparent 70%);
}

.hero__layer {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
    background-size: 64px 64px;
    -webkit-mask-image: radial-gradient(70% 55% at 50% 20%, #000 0%, transparent 75%);
    mask-image: radial-gradient(70% 55% at 50% 20%, #000 0%, transparent 75%);
    pointer-events: none;
}

.hero__stack {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
    text-align: center;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.hero__btn {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-strong);
    font-size: 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    padding: 6px 16px 6px 6px;
}

.hero__card {
    background: rgba(0, 255, 224, 0.14);
    color: var(--brand-soft);
    font-size: 12px;
    font-weight: 500;
    padding: 3px 10px;
    border-radius: 999px;
}

.hero__title {
    margin: 0;
    font-size: clamp(48px, 7.4vw, 108px);
    line-height: 1.08;
    font-weight: 700;
    letter-spacing: -0.03em;
    background: linear-gradient(180deg, var(--white) 30%, #9AA6B4 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero__text {
    margin: 0;
    max-width: 34em;
    font-weight: 300;
    font-size: clamp(17px, 1.6vw, 20px);
    line-height: 1.9;
    color: var(--text-soft);
}

.hero__row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.hero__btn-2 {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    padding: 14px 28px;
    border-radius: 999px;
}

.hero__row-2 {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 24px;
    font-size: 14px;
    color: var(--text-subtle);
}

.hero__row-3 {
    display: flex;
    align-items: center;
    gap: 6px;
}

.hero__card-2 {
    position: relative;
    width: 100%;
    max-width: 1120px;
    margin-top: 40px;
    aspect-ratio: 16 / 9;
    border-radius: 28px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.10);
    box-shadow: 0 60px 120px -40px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(0, 255, 224, 0.06);
    background: #070A0F;
    text-align: left;
}

.hero__layer-2 {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(5, 8, 13, 0.55) 0%, rgba(5, 8, 13, 0) 45%), linear-gradient(0deg, rgba(5, 8, 13, 0.55) 0%, rgba(5, 8, 13, 0) 35%);
}

.hero__layer-3 {
    position: absolute;
    left: 44.5%;
    top: 42%;
    width: 16%;
    height: 24%;
}

.hero__layer-4 {
    position: absolute;
    left: 0;
    top: 0;
    width: 18%;
    height: 12%;
    border-left: 2px solid var(--brand);
    border-top: 2px solid var(--brand);
}

.hero__layer-5 {
    position: absolute;
    right: 0;
    top: 0;
    width: 18%;
    height: 12%;
    border-right: 2px solid var(--brand);
    border-top: 2px solid var(--brand);
}

.hero__layer-6 {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 18%;
    height: 12%;
    border-left: 2px solid var(--brand);
    border-bottom: 2px solid var(--brand);
}

.hero__layer-7 {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 18%;
    height: 12%;
    border-right: 2px solid var(--brand);
    border-bottom: 2px solid var(--brand);
}

.hero__layer-8 {
    position: absolute;
    left: 0;
    top: -26px;
    font-size: 12px;
    color: var(--brand);
    white-space: nowrap;
}

.hero__layer-9 {
    position: absolute;
    left: 50%;
    top: 4%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text);
    background: rgba(0, 0, 0, 0.35);
    border-radius: 999px;
    padding: 4px 12px;
}

.hero__card-3 {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--live-red);
}

.hero__layer-10 {
    position: absolute;
    top: 11%;
    left: 4%;
    width: min(40%, 440px);
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 18px;
    border-radius: 20px;
    background: rgba(12, 18, 26, 0.66);
    backdrop-filter: blur(18px) saturate(140%);
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: 0 24px 48px -24px rgba(0, 0, 0, 0.7);
    box-sizing: border-box;
}

.hero__card-4 {
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(0, 255, 224, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero__stack-2 {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.hero__label {
    font-size: clamp(14px, 1.4vw, 17px);
    font-weight: 500;
    color: var(--white);
}

.hero__label-2 {
    font-size: 12px;
    line-height: 1.5;
    color: var(--text-subtle);
}

.hero__row-4 {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 3px;
    height: 26px;
}

.hero__label-3 {
    height: 12px;
}

.hero__label-4 {
    height: 22px;
    animation-delay: .15s;
}

.hero__label-5 {
    height: 26px;
    animation-delay: .3s;
}

.hero__label-6 {
    height: 18px;
    animation-delay: .45s;
}

.hero__label-7 {
    height: 10px;
    animation-delay: .6s;
}

.hero__card-5 {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
}

.hero__label-8 {
    flex: 1 1 auto;
    font-size: clamp(13px, 1.3vw, 16px);
    font-weight: 500;
    color: var(--white);
}

.hero__label-9 {
    font-size: 12px;
    color: var(--brand-soft);
    white-space: nowrap;
}

.hero__card-6 {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
    animation-delay: 3s;
}

.hero__card-7 {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
    animation-delay: 6s;
}

.hero__layer-11 {
    position: absolute;
    top: 12%;
    right: 4%;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 14px 16px;
    border-radius: 16px;
    background: rgba(12, 18, 26, 0.55);
    backdrop-filter: blur(18px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 13px;
}

.hero__label-10 {
    font-size: 12px;
    color: var(--text-subtle);
}

.hero__row-5 {
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero__card-8 {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand);
}

.hero__layer-12 {
    position: absolute;
    bottom: 7%;
    left: 4%;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hero__label-11 {
    font-size: clamp(13px, 1.2vw, 16px);
    color: var(--text-strong);
}

.hero__label-12 {
    font-size: clamp(22px, 2.6vw, 36px);
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.01em;
}

.hero__layer-13 {
    position: absolute;
    bottom: 7%;
    right: 4%;
    width: min(40%, 380px);
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(12, 18, 26, 0.66);
    backdrop-filter: blur(18px) saturate(140%);
    border: 1px solid rgba(0, 255, 224, 0.35);
    box-shadow: 0 0 40px -10px rgba(0, 255, 224, 0.35);
    box-sizing: border-box;
}

.hero__card-9 {
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(155deg, #FFE0AE, #B9732F);
}

.hero__label-13 {
    font-size: clamp(13px, 1.4vw, 16px);
    font-weight: 500;
}

.hero__card-10 {
    flex: 0 0 auto;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--brand);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ---------- 核心能力条 ---------- */
.strip__section {
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    padding: 40px 24px;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.strip__row {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.strip__stack {
    flex: 1 1 220px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-right: 24px;
}

.strip__label {
    font-size: 14px;
    color: var(--text-subtle);
    font-weight: 300;
}

.strip__stack-2 {
    flex: 1 1 220px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-left: 24px;
    border-left: 1px solid rgba(255, 255, 255, 0.08);
}

/* ---------- 品牌宣传片 ---------- */
.film__section {
    padding: 120px 24px 20px;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.film__stack {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 36px;
}

.film__row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-end;
    gap: 16px 40px;
}

.film__title {
    margin: 0;
    font-size: clamp(28px, 3.4vw, 44px);
    line-height: 1.25;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.film__text {
    margin: 0;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-subtle);
    font-weight: 300;
}

.film__card {
    border-radius: 28px;
    padding: 1px;
    background: linear-gradient(160deg, rgba(0, 255, 224, 0.5), rgba(255, 255, 255, 0.06) 40%, rgba(46, 107, 255, 0.4));
    box-shadow: 0 60px 120px -50px rgba(0, 255, 224, 0.28);
}

.film__card-2 {
    border-radius: 27px;
    overflow: hidden;
    background: var(--bg);
}

.film__video {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    background: var(--bg);
}

/* ---------- 直播操控演示 ---------- */
.living__section {
    padding: 140px 24px;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.living__row {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 64px;
}

.living__stack {
    flex: 1 1 420px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.living__list {
    margin: 8px 0 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
}

.living__item {
    display: flex;
    gap: 18px;
    padding: 18px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.living__label {
    font-family: 'Geist', sans-serif;
    font-size: 14px;
    color: var(--text-dim);
    width: 20px;
}

.living__label-2 {
    font-size: 15px;
    color: var(--text-subtle);
    font-weight: 300;
}

.living__item-2 {
    display: flex;
    gap: 18px;
    padding: 18px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.living__card {
    flex: 1 1 460px;
    position: relative;
    border-radius: 28px;
    padding: 1px;
    background: linear-gradient(160deg, rgba(0, 255, 224, 0.45), rgba(255, 255, 255, 0.06) 40%, rgba(46, 107, 255, 0.35));
}

.living__card-2 {
    border-radius: 27px;
    background: radial-gradient(80% 60% at 50% 0%, rgba(0, 255, 224, 0.08), transparent 70%), var(--surface);
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.living__label-3 {
    font-family: 'Geist', sans-serif;
    font-size: 15px;
    font-weight: 600;
}

.living__row-2 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-subtle);
}

.living__card-3 {
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.living__row-3 {
    display: flex;
    align-items: center;
    gap: 4px;
    height: 30px;
}

.living__stack-2 {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.living__label-4 {
    font-size: 12px;
    color: var(--text-faint);
}

.living__label-5 {
    font-size: 15px;
}

.living__row-4 {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.living__btn {
    font-family: inherit;
    background: var(--brand);
    color: var(--black);
    border: 0;
    font-size: 15px;
    font-weight: 500;
    padding: 13px 22px;
    border-radius: 999px;
    cursor: pointer;
}

.living__btn-2 {
    font-family: inherit;
    background: transparent;
    color: var(--text-muted);
    border: 1px solid rgba(255, 255, 255, 0.16);
    font-size: 14px;
    padding: 12px 18px;
    border-radius: 999px;
    cursor: pointer;
}

/* ---------- 产品功能（按直播阶段） ---------- */
.workflow__section {
    position: relative;
    padding: 40px 24px 140px;
    background: radial-gradient(50% 40% at 50% 0%, rgba(46, 107, 255, 0.12), transparent 70%);
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.workflow__stack {
    max-width: 720px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.workflow__row {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.workflow__stack-2 {
    flex: 0 1 220px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.workflow__heading {
    margin: 0;
    font-size: 22px;
    font-weight: 500;
}

.workflow__text {
    margin: 0;
    font-size: 15px;
    color: var(--text-subtle);
    font-weight: 300;
}

.workflow__row-2 {
    flex: 1 1 640px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.workflow__card {
    flex: 1 1 260px;
    border-radius: 20px;
    padding: 28px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.09);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.workflow__heading-2 {
    margin: 0;
    font-size: 18px;
    font-weight: 500;
}

.workflow__card-2 {
    flex: 2 1 420px;
    border-radius: 20px;
    padding: 28px;
    background: radial-gradient(70% 90% at 100% 100%, rgba(46, 107, 255, 0.16), transparent 70%), rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.09);
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
}

.workflow__stack-3 {
    flex: 1 1 200px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.workflow__graphic {
    flex: 1 1 200px;
    max-width: 300px;
    height: auto;
}

.workflow__card-3 {
    flex: 1 1 200px;
    border-radius: 20px;
    padding: 28px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.09);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.workflow__stack-4 {
    flex: 0 1 220px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.workflow__card-4 {
    align-self: flex-start;
    font-size: 12px;
    font-weight: 500;
    color: var(--brand-soft);
    border: 1px solid rgba(0, 255, 224, 0.45);
    border-radius: 999px;
    padding: 3px 10px;
}

.workflow__card-5 {
    flex: 1 1 260px;
    border-radius: 20px;
    padding: 28px;
    background: linear-gradient(160deg, rgba(0, 255, 224, 0.06), rgba(255, 255, 255, 0.01));
    border: 1px dashed rgba(0, 255, 224, 0.35);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.workflow__label {
    font-size: 12px;
    color: var(--brand-soft);
}

/* ---------- 会员价格 ---------- */
.pricing__row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-end;
    gap: 28px;
}

.pricing__stack {
    max-width: 620px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.pricing__card {
    display: flex;
    gap: 4px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.09);
    padding: 4px;
    border-radius: 999px;
}

.pricing__card-2 {
    flex: 1 1 300px;
    border-radius: 24px;
    padding: 32px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.09);
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.pricing__stack-2 {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.pricing__heading {
    margin: 0;
    font-size: 20px;
    font-weight: 500;
}

.pricing__text {
    margin: 0;
    display: flex;
    align-items: baseline;
    gap: 4px;
    font-family: 'Geist', sans-serif;
}

.pricing__label {
    font-size: 20px;
    font-weight: 600;
}

.pricing__box {
    font-size: 56px;
    font-weight: 600;
    line-height: 1;
    letter-spacing: -0.03em;
}

.pricing__box-2 {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 15px;
    color: var(--text-subtle);
}

.pricing__list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 15px;
    color: var(--text-strong);
}

.pricing__card-3 {
    flex: 1 1 300px;
    border-radius: 24px;
    padding: 1px;
    background: linear-gradient(160deg, var(--brand), rgba(46, 107, 255, 0.6) 60%, rgba(255, 255, 255, 0.08));
}

.pricing__card-4 {
    height: 100%;
    box-sizing: border-box;
    border-radius: 23px;
    padding: 31px;
    background: radial-gradient(90% 60% at 50% 0%, rgba(0, 255, 224, 0.12), transparent 70%), var(--surface);
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.pricing__row-2 {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.pricing__card-5 {
    background: rgba(0, 255, 224, 0.14);
    color: var(--brand-soft);
    font-size: 12px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 999px;
    white-space: nowrap;
}

.pricing__box-3 {
    font-size: 56px;
    font-weight: 600;
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--brand);
}

.pricing__btn {
    margin-top: auto;
    text-align: center;
    background: var(--brand);
    color: var(--black);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    padding: 15px 20px;
    border-radius: 999px;
}

.pricing__text-2 {
    margin: 0;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-subtle);
}

/* ---------- Z9 采集卡硬件 ---------- */
.hardware__section {
    padding: 140px 24px;
    background: radial-gradient(50% 40% at 80% 30%, rgba(255, 184, 112, 0.07), transparent 70%);
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.hardware__stack {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 64px;
}

.hardware__row {
    display: flex;
    flex-wrap: wrap;
    gap: 24px 64px;
    align-items: flex-end;
}

.hardware__stack-2 {
    flex: 1 1 440px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.hardware__text {
    margin: 0;
    flex: 1 1 380px;
    font-weight: 300;
    font-size: 18px;
    line-height: 1.9;
    color: var(--text-soft);
}

.hardware__list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hardware__item {
    flex: 1 1 220px;
    border-radius: 20px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.09);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.hardware__label {
    font-family: 'Geist', sans-serif;
    font-size: 13px;
    color: var(--text-dim);
}

.hardware__label-2 {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-subtle);
    font-weight: 300;
}

.hardware__item-2 {
    flex: 1 1 220px;
    border-radius: 20px;
    padding: 24px;
    background: radial-gradient(90% 90% at 50% 0%, rgba(0, 255, 224, 0.12), transparent 70%), rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(0, 255, 224, 0.4);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.hardware__label-3 {
    font-family: 'Geist', sans-serif;
    font-size: 13px;
    color: var(--brand);
}

.hardware__label-4 {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-muted);
    font-weight: 300;
}

.hardware__stack-3 {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.hardware__row-2 {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-end;
    gap: 16px;
}

.hardware__heading {
    margin: 0;
    font-size: clamp(24px, 2.6vw, 34px);
    line-height: 1.3;
    font-weight: 700;
}

.hardware__text-2 {
    margin: 0;
    font-size: 16px;
    color: var(--text-subtle);
    font-weight: 300;
}

.hardware__card {
    flex: 1 1 320px;
    border-radius: 24px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.09);
    display: flex;
    flex-direction: column;
}

.hardware__box {
    position: relative;
    height: 280px;
    overflow: hidden;
    background: #0B1016;
}

.hardware__layer {
    position: absolute;
    left: 16px;
    bottom: 16px;
    font-size: 12px;
    color: var(--text-strong);
    background: rgba(0, 0, 0, 0.4);
    border-radius: 999px;
    padding: 4px 10px;
}

.hardware__stack-4 {
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    flex: 1 1 auto;
}

.hardware__row-3 {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
}

.hardware__label-5 {
    font-family: 'Archivo', sans-serif;
    font-style: italic;
    font-weight: 800;
    font-size: 28px;
}

.hardware__label-6 {
    font-family: 'Geist', sans-serif;
    font-size: 20px;
    font-weight: 600;
}

.hardware__specs {
    margin: 0;
    display: flex;
    flex-direction: column;
    font-size: 14px;
}

.hardware__row-4 {
    display: flex;
    gap: 16px;
    padding: 10px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.hardware__spec-label {
    flex: 0 0 72px;
    color: var(--text-faint);
}

.hardware__spec-value {
    margin: 0;
    color: var(--text);
}

.hardware__row-5 {
    display: flex;
    gap: 16px;
    padding: 10px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hardware__note {
    margin: 0;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-muted);
    padding: 14px 16px;
    border-radius: 14px;
    background: rgba(0, 255, 224, 0.06);
}

.hardware__label-7 {
    color: var(--brand-soft);
}

.hardware__btn {
    margin-top: auto;
    text-align: center;
    background: var(--brand);
    color: var(--black);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    padding: 14px 20px;
    border-radius: 999px;
}

.hardware__box-2 {
    position: relative;
    height: 280px;
    overflow: hidden;
    background: #090D15;
}

.hardware__box-3 {
    position: relative;
    height: 280px;
    overflow: hidden;
    background: #070C0F;
}

.hardware__label-8 {
    font-family: 'Geist', sans-serif;
    font-size: 20px;
    font-weight: 600;
    color: var(--brand);
}

.hardware__card-2 {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 24px 28px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.09);
}

.hardware__row-6 {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 40px;
}

.hardware__img {
    width: 72px;
    height: 72px;
    border-radius: 14px;
    object-fit: cover;
}

.hardware__row-7 {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.hardware__label-9 {
    font-family: 'Archivo', sans-serif;
    font-style: italic;
    font-weight: 800;
    font-size: 20px;
}

.hardware__label-10 {
    font-family: 'Geist', sans-serif;
    font-size: 16px;
    font-weight: 600;
}

.hardware__label-11 {
    font-size: 14px;
    color: var(--text-subtle);
}

.hardware__link {
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    padding: 8px 0;
}

.hardware__question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    font-size: 18px;
    font-weight: 500;
}

.hardware__label-12 {
    font-size: 22px;
    color: var(--brand);
    font-weight: 300;
}

.hardware__row-8 {
    margin-top: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px 48px;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-muted);
    font-weight: 300;
}

.hardware__text-3 {
    margin: 0;
    flex: 1 1 320px;
}

.hardware__label-13 {
    color: var(--text);
    font-weight: 500;
}

/* ---------- 常见问题 ---------- */
.faq__row {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 56px;
}

.faq__stack {
    flex: 1 1 300px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.faq__text {
    margin: 0;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-subtle);
}

.faq__stack-2 {
    flex: 2 1 560px;
    display: flex;
    flex-direction: column;
}

.faq__qa {
    border-top: 1px solid rgba(255, 255, 255, 0.09);
    padding: 22px 0;
}

.faq__text-2 {
    margin: 12px 0 0;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-muted);
    font-weight: 300;
}

/* ---------- 下载与客服 ---------- */
.cta__section {
    padding: 40px 24px 140px;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.cta__card {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    border-radius: 32px;
    overflow: hidden;
    padding: 72px 56px;
    box-sizing: border-box;
    background: radial-gradient(60% 80% at 50% 120%, rgba(0, 255, 224, 0.28), transparent 70%), radial-gradient(40% 60% at 100% 0%, rgba(46, 107, 255, 0.22), transparent 70%), var(--surface);
    border: 1px solid rgba(255, 255, 255, 0.10);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
}

.cta__stack {
    flex: 1 1 460px;
    display: flex;
    flex-direction: column;
    gap: 22px;
}

.cta__title {
    margin: 0;
    font-size: clamp(34px, 4.6vw, 60px);
    line-height: 1.15;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.cta__row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.cta__label {
    font-size: 13px;
    color: var(--text-faint);
}

.cta__figure {
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.cta__img {
    width: 184px;
    height: 184px;
    border-radius: 18px;
    background: var(--white);
    padding: 10px;
    box-sizing: border-box;
    box-shadow: 0 0 0 8px rgba(255, 255, 255, 0.06);
}

.cta__caption {
    font-size: 14px;
    color: var(--text-muted);
}

/* ---------- 页脚 ---------- */
.footer__footer {
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    padding: 56px 24px 32px;
}

.footer__stack {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.footer__row {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
}

.footer__stack-2 {
    flex: 2 1 280px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer__row-2 {
    display: flex;
    align-items: baseline;
    gap: 10px;
    line-height: 1;
}

.footer__label {
    font-style: italic;
    font-weight: 900;
    font-size: 19px;
    color: var(--white);
}

.footer__note {
    margin: 0;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-faint);
    max-width: 22em;
}

.footer__menu {
    flex: 1 1 140px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.footer__note-2 {
    margin: 0 0 8px;
    font-size: 13px;
    color: var(--text-faint);
}

.footer__link {
    color: var(--text-strong);
    text-decoration: none;
    font-size: 14px;
    padding: 6px 0;
}

.footer__row-3 {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    font-size: 13px;
    color: var(--text-faint);
}

.footer__link-2 {
    color: var(--text-faint);
    text-decoration: none;
}

/* ---------- 多个版块共用 ---------- */
.c-box {
    font-family: 'Archivo', sans-serif;
    font-style: italic;
    font-weight: 800;
    font-size: 23px;
    letter-spacing: -0.015em;
    color: var(--white);
}

.c-label {
    background: linear-gradient(180deg, var(--brand) 0 28.7%, var(--white) 28.7% 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    padding: 0 0.16em 0 0.05em;
    margin: 0 -0.16em 0 -0.05em;
}

.c-btn {
    background: var(--brand);
    color: var(--black);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    padding: 15px 28px;
    border-radius: 999px;
    box-shadow: 0 0 40px rgba(0, 255, 224, 0.35);
}

.c-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.c-row {
    display: flex;
    align-items: center;
    gap: 14px;
}

.c-stack {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.c-note {
    margin: 0;
    font-size: 12px;
    color: var(--text-dim);
}

.c-label-2 {
    font-size: 17px;
    font-weight: 500;
}

.c-note-2 {
    margin: 0;
    font-size: 14px;
    color: var(--brand);
}

.c-title {
    margin: 0;
    font-size: clamp(32px, 4vw, 52px);
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.c-text {
    margin: 0;
    font-weight: 300;
    font-size: 18px;
    line-height: 1.9;
    color: var(--text-soft);
}

.c-stack-2 {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.c-row-2 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.c-stack-3 {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 56px;
}

.c-text-2 {
    margin: 0;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-muted);
    font-weight: 300;
}

.c-section {
    padding: 140px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.c-row-3 {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: stretch;
}

.c-text-3 {
    margin: 0;
    font-size: 15px;
    color: var(--text-subtle);
}

.c-btn-2 {
    margin-top: auto;
    text-align: center;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    padding: 14px 20px;
    border-radius: 999px;
}

.c-link {
    text-decoration: none;
}

.c-label-3 {
    font-size: 18px;
    font-weight: 500;
}

.c-qa {
    border-top: 1px solid rgba(255, 255, 255, 0.09);
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
    padding: 22px 0;
}

/* ---------- 直播操控演示：交互状态 ---------- */
.living__status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #3A4553;
}

#living:not([data-state="idle"]) .living__status-dot {
    background: var(--brand);
    box-shadow: 0 0 12px var(--brand);
}

.living__bar {
    display: inline-block;
    width: 4px;
    height: 6px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.25);
    transition: height 160ms ease;
}

#living:not([data-state="idle"]) .living__bar {
    background: var(--brand);
}

#living[data-state="listening"] .living__bar--1 {
    height: 12px;
}

#living[data-state="listening"] .living__bar--2 {
    height: 22px;
}

#living[data-state="listening"] .living__bar--3 {
    height: 30px;
}

#living[data-state="listening"] .living__bar--4 {
    height: 18px;
}

#living[data-state="listening"] .living__bar--5 {
    height: 10px;
}

.living-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 14px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.living-row.is-live {
    background: rgba(0, 255, 224, 0.08);
    border-color: rgba(0, 255, 224, 0.55);
}

.living-row__thumb {
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.living-row__thumb--1 {
    background: linear-gradient(155deg, #C9D6F2, #5B6E99);
}

.living-row__thumb--2 {
    background: linear-gradient(155deg, #E6DCCB, #8F7A5A);
}

.living-row__thumb--3 {
    background: linear-gradient(155deg, #FFE0AE, #B9732F);
}

.living-row__tag {
    font-size: 12px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 999px;
    white-space: nowrap;
    background: transparent;
    color: var(--text-faint);
}

.living-row.is-live .living-row__tag {
    background: var(--brand);
    color: var(--black);
}

.period-tab {
    font-family: inherit;
    border: 0;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 999px;
    background: transparent;
    color: var(--text-muted);
}

.period-tab.is-active {
    background: var(--text);
    color: var(--bg);
}