/* ==========================================================================
   模拟器软件工作室 - H5 全站样式
   设计语言：深空暗底 / 青粉霓虹渐变 / 大字号 / 圆角卡片流
   品牌色由后端注入：--brand / --brand-s / --brand-m / --brand-g
   ========================================================================== */

:root {
    --bg: #08080C;
    --bg-soft: #0D0D13;
    --surface: rgba(255, 255, 255, .038);
    --surface-strong: rgba(255, 255, 255, .07);
    --line: rgba(255, 255, 255, .075);
    --line-strong: rgba(255, 255, 255, .16);
    --txt: #F3F5F9;
    --txt-2: rgba(243, 245, 249, .66);
    --txt-3: rgba(243, 245, 249, .4);
    --teal: #25F4EE;
    --pink: #FE2C55;
    --brand: #25F4EE;
    --brand-s: rgba(37, 244, 238, .13);
    --brand-m: rgba(37, 244, 238, .32);
    --brand-g: rgba(37, 244, 238, .62);
    --grad: linear-gradient(96deg, #25F4EE 0%, #55E6F0 34%, #FE2C55 100%);
    --r-xl: 26px;
    --r-lg: 20px;
    --r-md: 14px;
    --r-sm: 10px;
    --nav-h: 60px;
    --maxw: 1180px;
    --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC",
        "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei UI", "Microsoft YaHei",
        system-ui, "Segoe UI", Roboto, sans-serif;
    --shadow: 0 18px 48px -22px rgba(0, 0, 0, .9);
}

* { box-sizing: border-box; }

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--txt);
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.65;
    letter-spacing: .01em;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    padding-bottom: 62px;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(720px 420px at 12% -6%, rgba(37, 244, 238, .13), transparent 62%),
        radial-gradient(640px 420px at 92% 4%, rgba(254, 44, 85, .13), transparent 60%),
        radial-gradient(900px 600px at 50% 108%, rgba(37, 244, 238, .06), transparent 70%);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; border-style: none; }
button { font-family: inherit; }

h1, h2, h3, h4 {
    margin: 0;
    font-weight: 800;
    letter-spacing: -.022em;
    line-height: 1.18;
}

p { margin: 0; }

.wrap {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 18px;
    position: relative;
    z-index: 1;
}

.main { position: relative; z-index: 1; }

/* ============================ 导航 ============================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-h);
    z-index: 90;
    background: rgba(8, 8, 12, .72);
    -webkit-backdrop-filter: saturate(160%) blur(18px);
    backdrop-filter: saturate(160%) blur(18px);
    border-bottom: 1px solid transparent;
    transition: border-color .25s, background .25s;
}

.nav.is-scrolled {
    border-bottom-color: var(--line);
    background: rgba(8, 8, 12, .92);
}

.nav-inner {
    max-width: var(--maxw);
    height: 100%;
    margin: 0 auto;
    padding: 0 18px;
    display: flex;
    align-items: center;
    gap: 22px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    flex-shrink: 0;
}

.brand-mark {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    color: #06121A;
    background: var(--grad);
    box-shadow: 0 6px 18px -8px rgba(37, 244, 238, .8);
}

.brand-text {
    font-size: 16px;
    font-weight: 800;
    letter-spacing: -.02em;
    white-space: nowrap;
}

.nav-links { display: none; gap: 4px; margin-left: 6px; }

.nav-links a {
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 14.5px;
    color: var(--txt-2);
    transition: color .2s, background .2s;
}

.nav-links a:hover { color: var(--txt); background: var(--surface); }
.nav-links a.active { color: var(--txt); background: var(--surface-strong); }

.nav-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.nav-cta {
    display: none;
    padding: 9px 18px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    color: #06121A;
    background: var(--grad);
    box-shadow: 0 10px 26px -14px rgba(37, 244, 238, .9);
    transition: transform .2s;
}

.nav-cta:hover { transform: translateY(-1px); }

.burger {
    width: 40px;
    height: 40px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface);
    display: grid;
    place-content: center;
    gap: 5px;
    cursor: pointer;
    padding: 0;
}

.burger i { display: block; width: 17px; height: 1.6px; background: var(--txt); border-radius: 2px; }

.drawer {
    position: fixed;
    inset: 0;
    z-index: 120;
    visibility: hidden;
    opacity: 0;
    transition: opacity .28s, visibility .28s;
}

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

.drawer-mask {
    position: absolute;
    inset: 0;
    background: rgba(4, 4, 7, .68);
    -webkit-backdrop-filter: blur(3px);
    backdrop-filter: blur(3px);
}

.drawer-panel {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(84vw, 330px);
    background: #0B0B11;
    border-left: 1px solid var(--line);
    padding: 18px 18px 26px;
    display: flex;
    flex-direction: column;
    transform: translateX(102%);
    transition: transform .32s cubic-bezier(.4, 0, .2, 1);
    overflow-y: auto;
}

.drawer.is-open .drawer-panel { transform: none; }

.drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--line);
}

.drawer-close {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: none;
    color: var(--txt-2);
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
}

.drawer-body { padding-top: 6px; }

.drawer-label {
    margin: 18px 0 8px;
    font-size: 11.5px;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--txt-3);
}

.drawer-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border-radius: var(--r-md);
    color: var(--txt-2);
    font-size: 15px;
    transition: background .2s, color .2s;
}

.drawer-item:hover { background: var(--surface); color: var(--txt); }
.drawer-item em { margin-left: auto; font-style: normal; font-size: 12px; color: var(--txt-3); }

.dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--c, var(--line-strong));
    box-shadow: 0 0 0 3px rgba(255, 255, 255, .04);
    flex: none;
}

.drawer-foot {
    margin-top: auto;
    padding: 13px;
    text-align: center;
    border-radius: var(--r-md);
    background: var(--grad);
    color: #06121A;
    font-weight: 700;
    font-size: 14.5px;
}

/* ============================ HERO ============================ */

.hero {
    position: relative;
    padding: calc(var(--nav-h) + 46px) 0 40px;
    overflow: hidden;
}

.hero-grid { display: grid; gap: 34px; align-items: center; }

.pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 14px 7px 10px;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    background: var(--surface);
    font-size: 12.5px;
    color: var(--txt-2);
}

.pill b { color: var(--teal); font-weight: 700; }

.pulse {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--teal);
    box-shadow: 0 0 0 0 rgba(37, 244, 238, .7);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    70% { box-shadow: 0 0 0 9px rgba(37, 244, 238, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 244, 238, 0); }
}

.hero-title {
    margin: 18px 0 0;
    font-size: clamp(36px, 9.2vw, 74px);
    font-weight: 900;
    line-height: 1.02;
    letter-spacing: -.04em;
}

.hero-title .grad {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.hero-sub { margin-top: 16px; max-width: 30em; font-size: 15.5px; color: var(--txt-2); }
.hero-cta { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 50px;
    padding: 0 26px;
    border-radius: 999px;
    font-size: 15.5px;
    font-weight: 700;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .2s, box-shadow .25s, background .2s;
}

.btn:active { transform: scale(.985); }

.btn-primary {
    background: var(--grad);
    color: #06121A;
    box-shadow: 0 16px 36px -18px rgba(37, 244, 238, .95);
}

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

.btn-ghost { background: var(--surface); border-color: var(--line-strong); color: var(--txt); }
.btn-ghost:hover { background: var(--surface-strong); }

.btn-sm { height: 42px; padding: 0 20px; font-size: 14px; }

.hero-stats { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 26px 34px; }

.stat-num {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -.03em;
    font-variant-numeric: tabular-nums;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label { font-size: 12.5px; color: var(--txt-3); margin-top: 2px; }

.phone-wrap { display: flex; justify-content: center; perspective: 1200px; }

.phone {
    position: relative;
    width: min(272px, 74vw);
    aspect-ratio: 9 / 18.4;
    border-radius: 38px;
    padding: 11px;
    background: linear-gradient(160deg, #2A2A35, #101018 42%, #1C1C26);
    border: 1px solid rgba(255, 255, 255, .12);
    box-shadow: var(--shadow), 0 0 0 1px rgba(255, 255, 255, .03), 0 40px 90px -50px rgba(37, 244, 238, .75);
    animation: float 7s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(-1.2deg); }
    50% { transform: translateY(-16px) rotate(1.2deg); }
}

.phone-screen {
    height: 100%;
    border-radius: 29px;
    background: linear-gradient(178deg, #12121B, #0A0A10 60%);
    border: 1px solid rgba(255, 255, 255, .06);
    padding: 20px 15px 15px;
    overflow: hidden;
    position: relative;
}

.notch {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 68px;
    height: 5px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .14);
}

.p-total-label { font-size: 11px; color: var(--txt-3); margin-top: 12px; }
.p-total { font-size: 28px; font-weight: 800; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.p-change { font-size: 12px; color: var(--teal); font-variant-numeric: tabular-nums; }

.p-chart { margin: 14px 0 16px; height: 54px; }
.p-chart svg { width: 100%; height: 100%; }

.p-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 11px;
    border-radius: 13px;
    background: rgba(255, 255, 255, .045);
    border: 1px solid rgba(255, 255, 255, .05);
    margin-bottom: 8px;
}

.p-coin {
    width: 27px;
    height: 27px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 10.5px;
    font-weight: 800;
    color: #06121A;
    flex: none;
}

.p-name { font-size: 12.5px; font-weight: 600; }
.p-amount { margin-left: auto; text-align: right; font-variant-numeric: tabular-nums; }
.p-amount b { display: block; font-size: 12.5px; font-weight: 700; }
.p-amount span { font-size: 11px; color: var(--txt-3); }
.p-amount .up { color: #22D67C; }
.p-amount .down { color: #FF5C7A; }

.notice {
    margin-top: 34px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, .018);
    overflow: hidden;
}

.notice-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 11px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--txt-2);
}

.notice-tag {
    flex: none;
    padding: 2px 9px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    color: #06121A;
    background: var(--grad);
}

.notice-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ============================ 区块 ============================ */

.sec { padding: 56px 0; }
.sec-head { margin-bottom: 26px; }

.sec-eyebrow {
    display: block;
    font-size: 11.5px;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--txt-3);
    margin-bottom: 10px;
}

.sec-title { font-size: clamp(24px, 6vw, 40px); font-weight: 900; letter-spacing: -.035em; }
.sec-desc { margin-top: 10px; color: var(--txt-2); font-size: 14.5px; max-width: 46em; }

.sec-head-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.link-more {
    font-size: 14px;
    color: var(--txt-2);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.link-more:hover { color: var(--teal); }

/* ============================ 产品卡片 ============================ */

.pgrid { display: grid; gap: 16px; grid-template-columns: 1fr; }

.pcard {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 22px 20px 20px;
    border-radius: var(--r-xl);
    border: 1px solid var(--line);
    background:
        radial-gradient(420px 200px at 100% 0%, var(--brand-s), transparent 70%),
        linear-gradient(180deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .018));
    overflow: hidden;
    transition: transform .3s cubic-bezier(.2, .7, .3, 1), border-color .3s, box-shadow .3s;
}

.pcard::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(140deg, var(--brand-g), transparent 42%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity .3s;
    pointer-events: none;
}

.pcard:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px -34px var(--brand-g);
}

.pcard:hover::after { opacity: 1; }

.pcard-top { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }

.plogo {
    width: 48px;
    height: 48px;
    border-radius: 15px;
    display: grid;
    place-items: center;
    font-size: 15px;
    font-weight: 900;
    letter-spacing: -.02em;
    color: var(--brand);
    background: var(--brand-s);
    border: 1px solid var(--brand-m);
    flex: none;
}

.pbadge {
    margin-left: auto;
    padding: 4px 11px;
    border-radius: 999px;
    font-size: 11.5px;
    font-weight: 700;
    color: var(--brand);
    background: var(--brand-s);
    border: 1px solid var(--brand-m);
}

.pcard h3 { font-size: 20px; letter-spacing: -.028em; }
.pcard-sub { margin-top: 8px; font-size: 13.5px; color: var(--txt-2); min-height: 2.9em; }

.pmeta {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    font-size: 12.5px;
    color: var(--txt-3);
    font-variant-numeric: tabular-nums;
}

.pmeta b { color: var(--txt); font-weight: 700; }

.pcard-actions { margin-top: 16px; display: flex; gap: 10px; position: relative; z-index: 3; }

.pbtn {
    flex: 1;
    height: 42px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    font-size: 13.5px;
    font-weight: 700;
    border: 1px solid var(--line-strong);
    background: var(--surface);
    color: var(--txt);
    transition: background .2s, border-color .2s, transform .2s;
}

.pbtn:hover { background: var(--surface-strong); transform: translateY(-1px); }

.pbtn-solid {
    background: var(--brand-s);
    border-color: var(--brand-m);
    color: var(--txt);
}

.pcard-link { position: absolute; inset: 0; z-index: 2; }

/* ============================ 产品图标（有图用图，无图回退字母） ============================ */

.logtag,
.tshort,
.plogo,
.phero-logo {
    overflow: hidden;
}

.logtag img,
.tshort img,
.plogo img,
.phero-logo img,
.rolecard-icon img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
}

/* ============================ 软件角色卡 ============================ */

.rgrid {
    display: grid;
    gap: 18px;
    grid-template-columns: 1fr;
}

.rolecard {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 34px 22px 26px;
    border-radius: var(--r-xl);
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .012));
    overflow: hidden;
    transform-origin: center;
    transition: transform .38s cubic-bezier(.2, .75, .3, 1), border-color .38s, box-shadow .38s;
    will-change: transform;
}

.rolecard-glow {
    position: absolute;
    left: 50%;
    bottom: -46%;
    width: 160%;
    height: 92%;
    transform: translateX(-50%);
    background: radial-gradient(closest-side, var(--brand-m), transparent 70%);
    opacity: .5;
    pointer-events: none;
    transition: opacity .38s;
    z-index: 0;
}

.rolecard-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 11px;
    border-radius: 999px;
    font-size: 11.5px;
    font-weight: 700;
    color: var(--brand);
    background: var(--brand-s);
    border: 1px solid var(--brand-m);
    z-index: 3;
}

.rolecard-icon {
    position: relative;
    z-index: 2;
    width: 96px;
    height: 96px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 25px;
    font-weight: 900;
    letter-spacing: -.03em;
    color: #FFFFFF;
    text-shadow: 0 2px 12px rgba(0, 0, 0, .55);
    background: radial-gradient(circle at 32% 26%, var(--brand-m), rgba(255, 255, 255, .04) 72%);
    border: 1px solid var(--brand-m);
    box-shadow: 0 0 0 9px rgba(255, 255, 255, .022), 0 22px 46px -22px var(--brand-g);
    overflow: hidden;
    transition: transform .38s cubic-bezier(.2, .75, .3, 1);
}

.rolecard-icon img { width: 100%; height: 100%; object-fit: cover; }

.rolecard-body { position: relative; z-index: 2; margin-top: 24px; width: 100%; }

.rolecard-watermark {
    display: block;
    font-size: clamp(30px, 8.5vw, 44px);
    font-weight: 900;
    letter-spacing: .02em;
    line-height: 1;
    color: rgba(255, 255, 255, .052);
    margin-bottom: -16px;
    white-space: nowrap;
    overflow: hidden;
    pointer-events: none;
    user-select: none;
}

.rolecard h3 {
    position: relative;
    font-size: 22px;
    font-weight: 900;
    letter-spacing: -.03em;
}

.rolecard-sub {
    position: relative;
    z-index: 2;
    margin-top: 12px;
    font-size: 13.5px;
    color: var(--txt-2);
    max-width: 17em;
    min-height: 3.2em;
}

.rolecard-meta {
    position: relative;
    z-index: 2;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
    width: 100%;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px 16px;
    font-size: 12.5px;
    color: var(--txt-3);
    font-variant-numeric: tabular-nums;
}

.rolecard-meta b { color: var(--txt); font-weight: 700; }

.rolecard-actions {
    position: relative;
    z-index: 3;
    margin-top: auto;
    padding-top: 16px;
    width: 100%;
    display: flex;
    gap: 10px;
}

.rolecard-cta {
    position: relative;
    z-index: 3;
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 11px 22px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    color: var(--txt);
    background: var(--brand-s);
    border: 1px solid var(--brand-m);
    transition: background .25s, gap .25s;
}

.rolecard:hover {
    transform: scale(1.045) translateY(-4px);
    border-color: var(--brand-m);
    box-shadow: 0 40px 80px -38px var(--brand-g);
    z-index: 2;
}

.rolecard:hover .rolecard-glow { opacity: .92; }
.rolecard:hover .rolecard-icon { transform: translateY(-3px) scale(1.05); }
.rolecard:hover .rolecard-cta { background: var(--brand-m); gap: 11px; }

.rolecard:active { transform: scale(1.02); }

@media (min-width: 760px) {
    .rgrid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .rolecard { padding: 42px 26px 30px; }
}

@media (min-width: 1024px) {
    .rolecard-icon { width: 108px; height: 108px; font-size: 28px; }
    .rolecard h3 { font-size: 24px; }
}

/* ============================ 更新日志 ============================ */

.loglist { display: grid; gap: 14px; }

.logcard {
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    background: linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .014));
    padding: 18px 18px 16px;
    transition: border-color .25s, transform .25s;
}

.logcard:hover { border-color: var(--line-strong); transform: translateY(-3px); }

.loghead { display: flex; align-items: center; gap: 11px; flex-wrap: wrap; }

.logtag {
    width: 40px;
    height: 40px;
    border-radius: 13px;
    display: grid;
    place-items: center;
    font-size: 12.5px;
    font-weight: 900;
    color: var(--brand);
    background: var(--brand-s);
    border: 1px solid var(--brand-m);
    flex: none;
}

.loghead h3 { font-size: 16.5px; }

.ver {
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    border: 1px solid var(--line-strong);
    color: var(--txt-2);
}

.ver.is-new { color: #06121A; background: var(--grad); border-color: transparent; }

.plat {
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11.5px;
    background: var(--surface-strong);
    color: var(--txt-2);
}

.logdate { margin-left: auto; font-size: 12.5px; color: var(--txt-3); font-variant-numeric: tabular-nums; }

.logitems { margin-top: 14px; display: grid; gap: 8px; padding: 0; }

.logitems li {
    list-style: none;
    position: relative;
    padding-left: 18px;
    font-size: 13.5px;
    color: var(--txt-2);
    line-height: 1.6;
}

.logitems li::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 9px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand);
    opacity: .8;
}

/* ============================ 教程卡片 ============================ */

.tgrid { display: grid; gap: 14px; grid-template-columns: 1fr; }

.tcard {
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    background: linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .014));
    padding: 18px;
    display: flex;
    flex-direction: column;
    transition: transform .28s, border-color .28s, box-shadow .28s;
}

.tcard:hover {
    transform: translateY(-4px);
    border-color: var(--brand-m);
    box-shadow: 0 26px 54px -34px var(--brand-g);
}

.tcard-top { display: flex; align-items: center; gap: 9px; margin-bottom: 12px; }

.tshort {
    width: 30px;
    height: 30px;
    border-radius: 9px;
    display: grid;
    place-items: center;
    font-size: 11px;
    font-weight: 900;
    color: var(--brand);
    background: var(--brand-s);
    border: 1px solid var(--brand-m);
    flex: none;
}

.tcard-top span { font-size: 12.5px; color: var(--txt-3); }
.tcard h3 { font-size: 16.5px; line-height: 1.35; }
.tcard p { margin-top: 9px; font-size: 13.5px; color: var(--txt-2); }

.tcard-foot {
    margin-top: auto;
    padding-top: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    color: var(--txt-3);
    font-variant-numeric: tabular-nums;
}

.tchip {
    padding: 2px 9px;
    border-radius: 999px;
    background: var(--surface-strong);
    font-size: 11.5px;
    color: var(--txt-2);
}

/* ============================ 筛选条 ============================ */

.filterbar {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding: 6px 0 14px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.filterbar::-webkit-scrollbar { display: none; }

.fchip {
    flex: none;
    padding: 9px 17px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--surface);
    font-size: 13.5px;
    color: var(--txt-2);
    white-space: nowrap;
    transition: all .22s;
}

.fchip:hover { color: var(--txt); border-color: var(--line-strong); }
.fchip.active { color: #06121A; background: var(--grad); border-color: transparent; font-weight: 700; }

/* ============================ 下载面板 ============================ */

.dl-panel {
    border: 1px solid var(--line);
    border-radius: var(--r-xl);
    background:
        radial-gradient(600px 260px at 0% 0%, var(--brand-s), transparent 68%),
        linear-gradient(180deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .016));
    padding: 22px 20px;
}

.dl-row { display: grid; gap: 12px; }

.dl-btn {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 15px 18px;
    border-radius: var(--r-lg);
    border: 1px solid var(--line-strong);
    background: rgba(255, 255, 255, .045);
    transition: transform .22s, border-color .22s, background .22s;
}

.dl-btn:hover {
    transform: translateY(-2px);
    border-color: var(--brand-m);
    background: rgba(255, 255, 255, .07);
}

.dl-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: var(--brand-s);
    border: 1px solid var(--brand-m);
    color: var(--brand);
    flex: none;
}

.dl-text b { display: block; font-size: 15.5px; font-weight: 700; }
.dl-text span { font-size: 12.5px; color: var(--txt-3); font-variant-numeric: tabular-nums; }

.dl-arrow { margin-left: auto; color: var(--txt-3); font-size: 18px; }

.tips {
    margin-top: 16px;
    padding: 13px 15px;
    border-radius: var(--r-md);
    border: 1px solid rgba(254, 44, 85, .28);
    background: rgba(254, 44, 85, .08);
    font-size: 13px;
    color: #FFC7D3;
}

.tips.ok {
    border-color: rgba(34, 214, 124, .28);
    background: rgba(34, 214, 124, .08);
    color: #B6F2D2;
}

.dl-steps { margin-top: 18px; display: grid; gap: 10px; font-size: 13px; color: var(--txt-2); }
.dl-steps div { display: flex; gap: 10px; }

.dl-steps i {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-style: normal;
    font-size: 11px;
    font-weight: 700;
    color: var(--brand);
    background: var(--brand-s);
    flex: none;
    margin-top: 1px;
}

/* ============================ 产品详情 ============================ */

.phero { padding: calc(var(--nav-h) + 34px) 0 8px; }

.crumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12.5px;
    color: var(--txt-3);
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.crumb a:hover { color: var(--teal); }

.phero-grid { display: grid; gap: 28px; align-items: start; }
.phero-main { display: flex; gap: 16px; align-items: flex-start; }

.phero-logo {
    width: 68px;
    height: 68px;
    border-radius: 20px;
    display: grid;
    place-items: center;
    font-size: 20px;
    font-weight: 900;
    letter-spacing: -.03em;
    color: var(--brand);
    background: var(--brand-s);
    border: 1px solid var(--brand-m);
    flex: none;
}

.phero h1 { font-size: clamp(25px, 6.4vw, 42px); font-weight: 900; letter-spacing: -.035em; }
.phero-sub { margin-top: 10px; color: var(--txt-2); font-size: 15px; }

.phero-meta {
    margin-top: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 12.5px;
    color: var(--txt-3);
}

.phero-meta span {
    padding: 5px 12px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--surface);
    font-variant-numeric: tabular-nums;
}

.feature-list { display: grid; gap: 11px; }

.feature-item {
    display: flex;
    gap: 11px;
    align-items: flex-start;
    padding: 13px 15px;
    border-radius: var(--r-md);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, .028);
    font-size: 13.8px;
    color: var(--txt-2);
}

.feature-item svg { flex: none; margin-top: 3px; color: var(--brand); }

.ver-table { display: grid; gap: 10px; }

.ver-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    padding: 14px 16px;
    border-radius: var(--r-md);
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, .028);
    transition: border-color .2s, background .2s;
}

.ver-row:hover { border-color: var(--line-strong); background: rgba(255, 255, 255, .05); }
.ver-row .v-main { display: flex; align-items: center; gap: 10px; }
.ver-row .v-main b { font-size: 15px; font-variant-numeric: tabular-nums; }
.ver-row .v-sub { font-size: 12.5px; color: var(--txt-3); font-variant-numeric: tabular-nums; }

.v-dl {
    margin-left: auto;
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    border: 1px solid var(--brand-m);
    background: var(--brand-s);
    color: var(--txt);
    transition: background .2s;
}

.v-dl:hover { background: var(--brand-m); }
.changelog-block { margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--line); }

/* ============================ 文章 ============================ */

.article {
    border: 1px solid var(--line);
    border-radius: var(--r-xl);
    background: linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .014));
    padding: 22px 20px 26px;
}

.article-body { font-size: 15.2px; color: var(--txt-2); }

.article-body h3 {
    margin: 26px 0 10px;
    font-size: 18px;
    color: var(--txt);
    padding-left: 13px;
    position: relative;
}

.article-body h3::before {
    content: "";
    position: absolute;
    left: 0;
    top: .22em;
    bottom: .22em;
    width: 3px;
    border-radius: 3px;
    background: var(--grad);
}

.article-body h3:first-child { margin-top: 4px; }
.article-body p { margin: 10px 0; }
.article-body ul, .article-body ol { margin: 10px 0; padding-left: 20px; }
.article-body li { margin: 6px 0; }
.article-body img { border-radius: var(--r-md); margin: 14px 0; }
.article-body strong { color: var(--txt); }

.article-body code {
    padding: 2px 6px;
    border-radius: 6px;
    background: rgba(255, 255, 255, .08);
    font-size: 13.5px;
}

.article-body blockquote {
    margin: 14px 0;
    padding: 12px 16px;
    border-left: 3px solid var(--teal);
    border-radius: 0 var(--r-sm) var(--r-sm) 0;
    background: rgba(37, 244, 238, .06);
    color: var(--txt);
    font-size: 14px;
}

.article-head { padding-bottom: 18px; border-bottom: 1px solid var(--line); margin-bottom: 18px; }
.article-head h1 { font-size: clamp(22px, 5.6vw, 32px); letter-spacing: -.03em; }

.article-meta {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 16px;
    font-size: 12.5px;
    color: var(--txt-3);
    font-variant-numeric: tabular-nums;
}

/* ============================ FAQ ============================ */

.faq { display: grid; gap: 10px; }

.faq-item {
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    background: rgba(255, 255, 255, .028);
    overflow: hidden;
}

.faq-q {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 18px;
    background: none;
    border: 0;
    color: var(--txt);
    font-size: 15px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
}

.faq-q .plus {
    margin-left: auto;
    flex: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 1px solid var(--line-strong);
    display: grid;
    place-items: center;
    font-size: 14px;
    color: var(--txt-2);
    transition: transform .28s, background .28s;
}

.faq-item.open .plus { transform: rotate(45deg); background: var(--surface-strong); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .34s ease; }
.faq-a p { padding: 0 18px 17px; font-size: 13.8px; color: var(--txt-2); }
.faq-item.open .faq-a { max-height: 480px; }

/* ============================ CTA ============================ */

.cta {
    margin: 10px 0 0;
    padding: 34px 22px;
    border-radius: var(--r-xl);
    border: 1px solid var(--line);
    background:
        radial-gradient(520px 240px at 12% 0%, rgba(37, 244, 238, .2), transparent 66%),
        radial-gradient(520px 240px at 88% 100%, rgba(254, 44, 85, .2), transparent 66%),
        linear-gradient(180deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .015));
    text-align: center;
}

.cta h2 { font-size: clamp(22px, 5.6vw, 34px); letter-spacing: -.032em; }
.cta p { margin-top: 10px; color: var(--txt-2); font-size: 14.5px; }
.cta .hero-cta { justify-content: center; margin-top: 22px; }

/* ============================ 页脚 ============================ */

.foot {
    margin-top: 40px;
    border-top: 1px solid var(--line);
    background: rgba(255, 255, 255, .014);
    padding: 40px 0 26px;
}

.foot-grid { display: grid; gap: 28px; }
.foot-desc { margin-top: 14px; font-size: 13.5px; color: var(--txt-3); max-width: 30em; }
.foot-col h4 { font-size: 13px; letter-spacing: .06em; color: var(--txt); margin-bottom: 12px; }
.foot-col a { display: block; padding: 5px 0; font-size: 13.5px; color: var(--txt-2); }
.foot-col a:hover { color: var(--teal); }

.foot-bottom {
    margin-top: 30px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    font-size: 12.5px;
    color: var(--txt-3);
}

/* ============================ 底部 Tab ============================ */

.tabbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 80;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: rgba(10, 10, 14, .94);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-top: 1px solid var(--line);
    padding-bottom: env(safe-area-inset-bottom);
}

.tabbar a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 9px 0 10px;
    font-size: 10.5px;
    color: var(--txt-3);
    transition: color .2s;
}

.tabbar svg { width: 21px; height: 21px; }
.tabbar a.active { color: var(--teal); }

/* ============================ 动画 ============================ */

/* 入场动画使用独立的 translate 属性，避免与 hover 的 transform 互相覆盖 */
.reveal {
    transition: opacity .62s cubic-bezier(.2, .7, .3, 1), translate .62s cubic-bezier(.2, .7, .3, 1);
}

/* 仅在 JS 可用时才隐藏待入场元素，避免脚本失效导致内容不可见 */
.js .reveal {
    opacity: 0;
    translate: 0 18px;
}

.js .reveal.is-in { opacity: 1; translate: 0 0; }

@media (prefers-reduced-motion: reduce) {
    .js .reveal { opacity: 1; translate: 0 0; transition: none; }
    .phone { animation: none; }
    html { scroll-behavior: auto; }
}

/* ============================ 响应式 ============================ */

@media (min-width: 560px) {
    .pgrid { grid-template-columns: repeat(2, 1fr); }
    .tgrid { grid-template-columns: repeat(2, 1fr); }
    .dl-row { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
    body { font-size: 15.5px; }
    .wrap, .nav-inner { padding: 0 26px; }
    .hero { padding: calc(var(--nav-h) + 62px) 0 54px; }
    .hero-grid { grid-template-columns: 1.08fr .92fr; gap: 40px; }
    .phone-wrap { justify-content: flex-end; }
    .sec { padding: 72px 0; }
    .article { padding: 30px 32px 36px; }
    .logcard { padding: 20px 22px; }
    .dl-panel { padding: 26px; }
    .cta { padding: 48px 40px; }
    .tgrid { grid-template-columns: repeat(3, 1fr); }
    .foot-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; }
    .phero-grid { grid-template-columns: 1fr 360px; }
}

@media (min-width: 1024px) {
    .nav-links { display: flex; }
    .nav-cta { display: inline-flex; }
    .burger { display: none; }
    .tabbar { display: none; }
    body { padding-bottom: 0; }
    .pgrid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .pcard { padding: 26px 24px 22px; }
    .pcard h3 { font-size: 22px; }
    .sec-title { font-size: 42px; }
}

@media (min-width: 1280px) {
    .phero-grid { grid-template-columns: 1fr 420px; }
}