:root {
    --bg: #f5f9ff;
    --bg-soft: #eef5ff;
    --white: #ffffff;
    --text: #112035;
    --text-soft: #64748b;
    --line: rgba(203, 213, 225, 0.72);
    --blue: #2563eb;
    --cyan: #06b6d4;
    --green: #16a34a;
    --slate: #64748b;
    --purple: #7c3aed;
    --shadow: 0 24px 60px rgba(37, 99, 235, 0.08);
    --shadow-hover: 0 28px 70px rgba(37, 99, 235, 0.16);
    --radius-xl: 30px;
    --radius-lg: 24px;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

body.portal-future-page {
    min-height: 100vh;
    color: var(--text);
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    background:
        radial-gradient(circle at 8% 8%, rgba(37, 99, 235, 0.10), transparent 18%),
        radial-gradient(circle at 88% 10%, rgba(6, 182, 212, 0.10), transparent 18%),
        linear-gradient(180deg, #fbfdff 0%, #f4f8ff 100%);
}

.portal-future-shell {
    width: 100%;
    max-width: 1320px;
    margin: 0 auto;
    padding: 24px 20px 56px;
}

.portal-future-topbar {
    display: flex;
    justify-content: flex-start;
    margin-bottom: 22px;
}

.portal-future-back {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    padding: 0 16px;
    border-radius: 999px;
    text-decoration: none;
    color: var(--text-soft);
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid var(--line);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
    backdrop-filter: blur(10px);
    transition: all .22s ease;
}

.portal-future-back:hover {
    color: var(--blue);
    background: #fff;
    transform: translateY(-1px);
    text-decoration: none;
}

.portal-future-hero {
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, 420px);
    gap: 30px;
    align-items: center;
    padding: 46px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(255,255,255,0.88), rgba(248,251,255,0.84));
    border: 1px solid rgba(203, 213, 225, 0.55);
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
}

.portal-future-hero__aurora,
.portal-future-hero__grid {
    position: absolute;
    pointer-events: none;
}

.portal-future-hero__aurora {
    border-radius: 999px;
    filter: blur(18px);
    opacity: 0.75;
    animation: portalAuroraFloat 9s ease-in-out infinite;
}

.portal-future-hero__aurora--1 {
    width: 280px;
    height: 280px;
    top: -80px;
    right: -60px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.18), transparent 68%);
    animation-delay: 0s;
}

.portal-future-hero__aurora--2 {
    width: 240px;
    height: 240px;
    left: -60px;
    bottom: -60px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.16), transparent 68%);
    animation-delay: 1.5s;
}

.portal-future-hero__aurora--3 {
    width: 200px;
    height: 200px;
    left: 42%;
    top: 18%;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.12), transparent 68%);
    animation-delay: 3s;
}

.portal-future-hero__grid {
    inset: 0;
    background-image:
        linear-gradient(rgba(37,99,235,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37,99,235,0.05) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: linear-gradient(180deg, rgba(0,0,0,0.78), transparent 100%);
}

@keyframes portalAuroraFloat {
    0%, 100% { transform: translate3d(0,0,0) scale(1); }
    50% { transform: translate3d(0,14px,0) scale(1.05); }
}

.portal-future-hero__content,
.portal-future-hero__visual {
    position: relative;
    z-index: 2;
}

.portal-future-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 40px;
    padding: 0 14px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    color: var(--blue);
    background: rgba(255,255,255,0.72);
    border: 1px solid rgba(37, 99, 235, 0.14);
    margin-bottom: 18px;
    box-shadow: 0 8px 18px rgba(37, 99, 235, 0.05);
}

.portal-future-title {
    margin: 0 0 14px;
    font-size: 54px;
    line-height: 1.03;
    font-weight: 900;
    color: #0f172a;
    letter-spacing: 0.3px;
}

.portal-future-subtitle {
    margin: 0 0 24px;
    max-width: 760px;
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-soft);
}

.portal-future-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.portal-future-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 15px;
    border-radius: 999px;
    background: rgba(255,255,255,0.78);
    border: 1px solid rgba(203,213,225,0.72);
    color: #334155;
    font-size: 14px;
    font-weight: 600;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.04);
}

/* 右侧火箭起飞动效 */
.portal-future-hero__visual {
    display: flex;
    justify-content: center;
}

.portal-future-launch-scene {
    position: relative;
    width: 360px;
    height: 360px;
    border-radius: 30px;
    overflow: hidden;
    background:
        linear-gradient(180deg, #6f80eb 0%, #7f97ff 38%, #8ea4ff 68%, #95a6ff 100%);
    border: 1px solid rgba(203,213,225,0.55);
    box-shadow: 0 18px 40px rgba(37, 99, 235, 0.10);
}

.portal-future-launch-scene::before {
    content: "";
    position: absolute;
    left: -10%;
    bottom: -10px;
    width: 120%;
    height: 90px;
    background: linear-gradient(180deg, rgba(133, 146, 245, 0.92), rgba(122, 136, 239, 0.98));
    border-radius: 50% 50% 0 0 / 100% 100% 0 0;
}

.portal-future-launch-scene::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 50px 70px, rgba(255,255,255,0.85) 0 2px, transparent 3px),
        radial-gradient(circle at 290px 80px, rgba(255,255,255,0.7) 0 2px, transparent 3px),
        radial-gradient(circle at 70px 210px, rgba(255,255,255,0.75) 0 2px, transparent 3px),
        radial-gradient(circle at 300px 220px, rgba(255,255,255,0.7) 0 2px, transparent 3px),
        radial-gradient(circle at 180px 120px, rgba(255,255,255,0.55) 0 1.5px, transparent 2px);
    opacity: .95;
    pointer-events: none;
}

.portal-future-launch-scene__glow {
    position: absolute;
    border-radius: 999px;
    filter: blur(18px);
    animation: rocketGlowMove 8s ease-in-out infinite;
}

.portal-future-launch-scene__glow--1 {
    width: 180px;
    height: 180px;
    top: -30px;
    right: -20px;
    background: radial-gradient(circle, rgba(255,255,255,0.20), transparent 68%);
}

.portal-future-launch-scene__glow--2 {
    width: 160px;
    height: 160px;
    left: -30px;
    bottom: -30px;
    background: radial-gradient(circle, rgba(6,182,212,0.16), transparent 68%);
    animation-delay: 2s;
}

@keyframes rocketGlowMove {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(10px); }
}

.portal-future-launch-trail {
    position: absolute;
    left: 50%;
    top: 80px;
    width: 18px;
    height: 220px;
    transform: translateX(-50%);
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(255,255,255,0), rgba(255,255,255,0.58), rgba(255,255,255,0));
    filter: blur(1px);
    opacity: 0.9;
    animation: rocketTrailPulse 1.8s ease-in-out infinite;
}

@keyframes rocketTrailPulse {
    0%, 100% { opacity: 0.55; transform: translateX(-50%) scaleY(0.96); }
    50% { opacity: 1; transform: translateX(-50%) scaleY(1.06); }
}

.portal-future-rocket-launch {
    position: absolute;
    left: 50%;
    bottom: 36px;
    width: 110px;
    height: 200px;
    transform: translateX(-50%);
    animation: rocketVerticalFly 3.2s ease-in-out infinite;
    z-index: 3;
}

@keyframes rocketVerticalFly {
    0% { transform: translateX(-50%) translateY(28px); }
    50% { transform: translateX(-50%) translateY(-36px); }
    100% { transform: translateX(-50%) translateY(28px); }
}

.rocket-shadow {
    position: absolute;
    left: 50%;
    bottom: 8px;
    width: 60px;
    height: 14px;
    transform: translateX(-50%);
    border-radius: 999px;
    background: rgba(51, 65, 85, 0.16);
    filter: blur(7px);
    animation: rocketShadowScale 3.2s ease-in-out infinite;
}

@keyframes rocketShadowScale {
    0%, 100% { transform: translateX(-50%) scale(1.08); opacity: 0.34; }
    50% { transform: translateX(-50%) scale(0.82); opacity: 0.18; }
}

.rocket-body-wrap {
    position: absolute;
    left: 50%;
    bottom: 14px;
    width: 88px;
    height: 160px;
    transform: translateX(-50%);
}

.rocket-top {
    position: absolute;
    left: 50%;
    top: 0;
    width: 38px;
    height: 34px;
    transform: translateX(-50%);
    background: linear-gradient(180deg, #f7fbff 0%, #e8f1ff 100%);
    clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
    box-shadow: inset 0 -2px 0 rgba(37,99,235,0.08);
}

.rocket-body {
    position: absolute;
    left: 50%;
    top: 26px;
    width: 52px;
    height: 92px;
    transform: translateX(-50%);
    border-radius: 28px;
    background: linear-gradient(180deg, #ffffff 0%, #edf4ff 100%);
    box-shadow:
        inset 8px 0 10px rgba(255,255,255,0.85),
        inset -8px 0 10px rgba(37,99,235,0.06),
        0 8px 18px rgba(37,99,235,0.14);
}

.rocket-window {
    position: absolute;
    left: 50%;
    top: 28px;
    width: 20px;
    height: 20px;
    transform: translateX(-50%);
    border-radius: 999px;
    background: linear-gradient(180deg, #68a7ff 0%, #377dff 100%);
    border: 3px solid #dbeafe;
    box-shadow: inset 0 -2px 0 rgba(17,24,39,0.08);
}

.rocket-fin {
    position: absolute;
    bottom: 34px;
    width: 20px;
    height: 38px;
    background: linear-gradient(180deg, #e9f2ff 0%, #dbe9ff 100%);
    z-index: -1;
}

.rocket-fin-left {
    left: 8px;
    border-radius: 0 0 0 16px;
    clip-path: polygon(100% 0%, 100% 100%, 0% 80%);
}

.rocket-fin-right {
    right: 8px;
    border-radius: 0 0 16px 0;
    clip-path: polygon(0% 0%, 100% 80%, 0% 100%);
}

.rocket-wing {
    position: absolute;
    left: 50%;
    bottom: 24px;
    width: 26px;
    height: 20px;
    transform: translateX(-50%);
    border-radius: 0 0 14px 14px;
    background: #ebf3ff;
}

.rocket-flame {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 999px;
    animation: flameFlicker .5s ease-in-out infinite alternate;
}

.rocket-flame-main {
    bottom: -10px;
    width: 22px;
    height: 54px;
    background: linear-gradient(180deg, #ffe07a 0%, #ffb200 36%, #ff7a00 72%, rgba(255,122,0,0) 100%);
    filter: blur(1px);
}

.rocket-flame-core {
    bottom: -2px;
    width: 10px;
    height: 36px;
    background: linear-gradient(180deg, #fff8c5 0%, #ffd54f 45%, rgba(255,213,79,0) 100%);
}

@keyframes flameFlicker {
    0% { transform: translateX(-50%) scaleY(.9); opacity: .85; }
    100% { transform: translateX(-50%) scaleY(1.08); opacity: 1; }
}

.rocket-smoke {
    position: absolute;
    bottom: 40px;
    left: 50%;
    border-radius: 999px;
    background: rgba(255,255,255,0.7);
    filter: blur(1px);
    animation: smokeRise 2.4s ease-out infinite;
}

.rocket-smoke-1 {
    width: 16px;
    height: 16px;
    margin-left: -10px;
    animation-delay: 0s;
}
.rocket-smoke-2 {
    width: 20px;
    height: 20px;
    margin-left: 4px;
    animation-delay: .4s;
}
.rocket-smoke-3 {
    width: 12px;
    height: 12px;
    margin-left: -26px;
    animation-delay: .8s;
}
.rocket-smoke-4 {
    width: 18px;
    height: 18px;
    margin-left: 16px;
    animation-delay: 1.2s;
}
.rocket-smoke-5 {
    width: 14px;
    height: 14px;
    margin-left: -2px;
    animation-delay: 1.6s;
}

@keyframes smokeRise {
    0% {
        transform: translateY(0) scale(.7);
        opacity: 0;
    }
    20% {
        opacity: .75;
    }
    100% {
        transform: translateY(48px) scale(1.7);
        opacity: 0;
    }
}

.portal-future-star {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: rgba(255,255,255,0.88);
    box-shadow: 0 0 12px rgba(255,255,255,0.55);
    animation: starTwinkle 2.4s ease-in-out infinite;
}

.portal-future-star--1 { top: 52px; left: 44px; animation-delay: 0s; }
.portal-future-star--2 { top: 78px; right: 56px; animation-delay: .8s; }
.portal-future-star--3 { left: 70px; bottom: 98px; animation-delay: 1.4s; }
.portal-future-star--4 { right: 88px; bottom: 84px; animation-delay: 1.1s; }
.portal-future-star--5 { top: 132px; left: 34px; animation-delay: .4s; }
.portal-future-star--6 { top: 152px; right: 34px; animation-delay: 1.8s; }

@keyframes starTwinkle {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.6); }
}

.portal-future-float-card {
    position: absolute;
    min-height: 34px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: rgba(255,255,255,0.88);
    border: 1px solid rgba(203,213,225,0.76);
    box-shadow: 0 10px 24px rgba(37,99,235,0.06);
    font-size: 13px;
    font-weight: 700;
    color: #334155;
    backdrop-filter: blur(10px);
    animation: floatLabel 4s ease-in-out infinite;
    z-index: 2;
}

.portal-future-float-card--1 {
    top: 42px;
    right: 24px;
    animation-delay: 0s;
}
.portal-future-float-card--2 {
    left: 18px;
    bottom: 108px;
    animation-delay: 1s;
}
.portal-future-float-card--3 {
    right: 48px;
    bottom: 42px;
    animation-delay: 2s;
}

@keyframes floatLabel {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.portal-future-section {
    margin-top: 34px;
}

.portal-future-section__head {
    text-align: center;
    margin-bottom: 24px;
}

.portal-future-section__head h2 {
    margin: 0 0 10px;
    font-size: 32px;
    font-weight: 800;
    color: #0f172a;
}

.portal-future-section__head p {
    margin: 0;
    color: var(--text-soft);
    font-size: 15px;
    line-height: 1.8;
}

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

.portal-future-card {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 280px;
    padding: 24px 22px 20px;
    border-radius: 24px;
    background: rgba(255,255,255,0.82);
    border: 1px solid rgba(203,213,225,0.76);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
    text-decoration: none;
    transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
}

.portal-future-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    text-decoration: none;
}

.portal-future-card__shine {
    position: absolute;
    top: -120%;
    left: -35%;
    width: 46%;
    height: 260%;
    background: linear-gradient(180deg, transparent, rgba(255,255,255,0.78), transparent);
    transform: rotate(18deg);
    transition: all .8s ease;
    pointer-events: none;
}

.portal-future-card:hover .portal-future-card__shine {
    left: 110%;
}

.portal-future-card__line {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 5px;
}

.portal-future-card__icon,
.portal-future-card__body,
.portal-future-card__foot {
    position: relative;
    z-index: 2;
}

.portal-future-card__icon {
    width: 84px;
    height: 84px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 38px;
    margin-bottom: 18px;
    transition: transform .28s ease;
}

.portal-future-card:hover .portal-future-card__icon {
    transform: scale(1.08);
}

.portal-future-card__body {
    flex: 1 1 auto;
}

.portal-future-card__body h3 {
    margin: 0 0 10px;
    font-size: 24px;
    font-weight: 800;
    color: #0f172a;
}

.portal-future-card__body p {
    margin: 0;
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-soft);
    min-height: 50px;
}

.portal-future-card__foot {
    margin-top: 22px;
    padding-top: 16px;
    border-top: 1px solid #edf3fb;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    font-weight: 700;
}

.portal-future-card--windows .portal-future-card__line {
    background: linear-gradient(90deg, #2563eb, #60a5fa);
}
.portal-future-card--windows .portal-future-card__icon {
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    color: #2563eb;
}
.portal-future-card--windows .portal-future-card__foot {
    color: #2563eb;
}

.portal-future-card--android .portal-future-card__line {
    background: linear-gradient(90deg, #16a34a, #4ade80);
}
.portal-future-card--android .portal-future-card__icon {
    background: linear-gradient(135deg, #ecfdf5, #dcfce7);
    color: #16a34a;
}
.portal-future-card--android .portal-future-card__foot {
    color: #16a34a;
}

.portal-future-card--ios .portal-future-card__line {
    background: linear-gradient(90deg, #64748b, #cbd5e1);
}
.portal-future-card--ios .portal-future-card__icon {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    color: #475569;
}
.portal-future-card--ios .portal-future-card__foot {
    color: #475569;
}

.portal-future-card--mac .portal-future-card__line {
    background: linear-gradient(90deg, #7c3aed, #a78bfa);
}
.portal-future-card--mac .portal-future-card__icon {
    background: linear-gradient(135deg, #f5f3ff, #ede9fe);
    color: #7c3aed;
}
.portal-future-card--mac .portal-future-card__foot {
    color: #7c3aed;
}

.portal-future-strip {
    margin-top: 28px;
    padding: 20px 22px;
    border-radius: 24px;
    border: 1px solid rgba(203,213,225,0.76);
    background: rgba(255,255,255,0.78);
    backdrop-filter: blur(14px);
    display: flex;
    flex-wrap: wrap;
    gap: 16px 26px;
    justify-content: center;
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.05);
}

.portal-future-strip__item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #334155;
    font-size: 14px;
    font-weight: 600;
}

.portal-future-strip__item i {
    color: var(--green);
}

.portal-future-modal {
    border: none;
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 18px 50px rgba(15, 23, 42, 0.16);
    background: #fff;
}

.portal-future-modal .modal-header {
    border-bottom: none;
    padding: 20px 22px;
    background: linear-gradient(135deg, #2563eb, #06b6d4);
    color: #fff;
}

.portal-future-modal .modal-title {
    font-size: 18px;
    font-weight: 800;
}

.portal-future-modal .modal-body {
    background: #f8fbff;
    padding: 22px;
}

.portal-future-modal .modal-footer {
    border-top: 1px solid #eef3fa;
    background: #fff;
    justify-content: center;
    padding: 16px 22px 22px;
}

.portal-future-modal .btn-primary {
    border: none;
    border-radius: 12px;
    min-width: 120px;
    height: 44px;
    font-weight: 700;
    background: linear-gradient(135deg, #2563eb, #06b6d4);
    box-shadow: 0 10px 24px rgba(37, 99, 235, 0.18);
}

@media (max-width: 1199px) {
    .portal-future-hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 34px 28px;
    }

    .portal-future-tags {
        justify-content: center;
    }

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

@media (max-width: 767px) {
    .portal-future-shell {
        padding: 16px 14px 34px;
    }

    .portal-future-hero {
        padding: 24px 18px;
        gap: 20px;
        border-radius: 22px;
    }

    .portal-future-title {
        font-size: 36px;
    }

    .portal-future-subtitle {
        font-size: 14px;
        line-height: 1.85;
    }

    .portal-future-tag {
        width: 100%;
        justify-content: center;
    }

    .portal-future-launch-scene {
        width: 280px;
        height: 280px;
    }

    .portal-future-rocket-launch {
        width: 92px;
        height: 168px;
        bottom: 28px;
    }

    .rocket-body-wrap {
        width: 76px;
        height: 142px;
    }

    .rocket-top {
        width: 32px;
        height: 28px;
    }

    .rocket-body {
        top: 22px;
        width: 46px;
        height: 80px;
    }

    .rocket-window {
        top: 24px;
        width: 18px;
        height: 18px;
    }

    .rocket-fin {
        width: 18px;
        height: 32px;
        bottom: 30px;
    }

    .rocket-wing {
        width: 22px;
        height: 18px;
        bottom: 20px;
    }

    .rocket-flame-main {
        width: 18px;
        height: 44px;
    }

    .rocket-flame-core {
        width: 8px;
        height: 28px;
    }

    .portal-future-float-card {
        font-size: 12px;
        min-height: 30px;
        padding: 0 10px;
    }

    .portal-future-section__head h2 {
        font-size: 26px;
    }

    .portal-future-section__head p {
        font-size: 14px;
    }

    .portal-future-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .portal-future-card {
        min-height: auto;
        padding: 22px 18px 18px;
        border-radius: 20px;
    }

    .portal-future-card__icon {
        width: 74px;
        height: 74px;
        border-radius: 20px;
        font-size: 34px;
    }

    .portal-future-card__body h3 {
        font-size: 22px;
    }

    .portal-future-strip {
        padding: 16px;
        justify-content: flex-start;
    }

    .portal-future-strip__item {
        width: 100%;
    }
}