/* ============================================================
   IDCGo 授权系统 · 官网首页（产品落地页）
   仅使用 .lp-* 命名空间，不影响 docs / 用户中心 / 后台
   ============================================================ */

#top,
#what,
#advantages,
#modules,
#clients,
#verify,
#pricing,
#how,
#strength,
#features,
#start {
    scroll-margin-top: 84px;
}

/* ---------- Hero ---------- */

.lp-hero {
    position: relative;
    overflow: hidden;
    padding: 66px 0 0;
    color: #fff;
    background:
        radial-gradient(900px 460px at 12% -10%, rgba(99, 102, 241, .34), transparent 62%),
        radial-gradient(760px 420px at 92% 6%, rgba(6, 182, 212, .20), transparent 64%),
        linear-gradient(180deg, #0b1220 0%, #0c1526 58%, #0b1220 100%);
}

.lp-hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(148, 163, 184, .08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, .08) 1px, transparent 1px);
    background-size: 56px 56px;
    -webkit-mask-image: radial-gradient(760px 520px at 50% 0%, #000 10%, transparent 78%);
    mask-image: radial-gradient(760px 520px at 50% 0%, #000 10%, transparent 78%);
    pointer-events: none;
}

.lp-hero::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 140px;
    background: linear-gradient(180deg, transparent, rgba(11, 18, 32, .55));
    pointer-events: none;
}

.lp-hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
    gap: 54px;
    padding-bottom: 42px;
}

.lp-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 13px;
    border-radius: 999px;
    border: 1px solid rgba(165, 180, 252, .28);
    background: rgba(99, 102, 241, .12);
    color: #c7d2fe;
    font-size: 12.5px;
    font-weight: 550;
    letter-spacing: .02em;
}

.lp-eyebrow .pulse {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #818cf8;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, .18);
    animation: lp-pulse 2.4s var(--ease) infinite;
}

@keyframes lp-pulse {
    0%, 100% { box-shadow: 0 0 0 3px rgba(99, 102, 241, .18); }
    50% { box-shadow: 0 0 0 7px rgba(99, 102, 241, .05); }
}

.lp-hero h1 {
    margin: 20px 0 0;
    font-size: clamp(40px, 5.1vw, 62px);
    line-height: 1.06;
    letter-spacing: -.045em;
    font-weight: 800;
    color: #fff;
}

.lp-grad {
    background: linear-gradient(100deg, #a5b4fc 0%, #818cf8 42%, #67e8f9 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.lp-lead {
    margin: 20px 0 0;
    max-width: 560px;
    font-size: 16px;
    line-height: 1.82;
    color: rgba(203, 213, 225, .82);
}

.lp-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.lp-hero .btn-ghost,
.lp-cta-band .btn-ghost {
    background: rgba(255, 255, 255, .06);
    color: #e2e8f0;
    border-color: rgba(255, 255, 255, .22);
    box-shadow: none;
}

.lp-hero .btn-ghost:hover,
.lp-cta-band .btn-ghost:hover {
    background: rgba(255, 255, 255, .12);
    color: #fff;
    border-color: rgba(255, 255, 255, .34);
}

.lp-stats {
    display: flex;
    gap: 34px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid rgba(148, 163, 184, .16);
    max-width: 520px;
}

.lp-stats > div + div {
    padding-left: 34px;
    border-left: 1px solid rgba(148, 163, 184, .16);
}

.lp-stats .n {
    font-size: 25px;
    font-weight: 750;
    letter-spacing: -.03em;
    color: #fff;
    line-height: 1.2;
}

.lp-stats .t {
    margin-top: 3px;
    font-size: 12.5px;
    color: rgba(148, 163, 184, .85);
}

/* ---------- Hero 可视化 ---------- */

.lp-visual {
    position: relative;
    min-width: 0;
}

.lp-window {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    background: linear-gradient(180deg, #121c31 0%, #0a1120 100%);
    border: 1px solid rgba(148, 163, 184, .22);
    box-shadow:
        0 44px 90px -34px rgba(2, 6, 23, .9),
        inset 0 1px 0 rgba(255, 255, 255, .06);
    transform: perspective(1400px) rotateY(-4deg) rotateX(1.5deg);
    transform-origin: 60% 50%;
}

.lp-win-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 42px;
    padding: 0 15px;
    background: rgba(255, 255, 255, .035);
    border-bottom: 1px solid rgba(148, 163, 184, .14);
}

.lp-win-bar .dots {
    display: inline-flex;
    gap: 6px;
}

.lp-win-bar .dots i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #475569;
}

.lp-win-bar .dots i:nth-child(1) { background: #f87171; }
.lp-win-bar .dots i:nth-child(2) { background: #fbbf24; }
.lp-win-bar .dots i:nth-child(3) { background: #34d399; }

.lp-win-bar em {
    font-style: normal;
    font-size: 12px;
    font-weight: 600;
    color: #cbd5e1;
}

.lp-win-bar .url {
    margin-left: auto;
    font-family: var(--mono);
    font-size: 10.5px;
    color: rgba(148, 163, 184, .7);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lp-win-body {
    padding: 18px;
}

.lp-win-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 2px 2px 14px;
}

.lp-win-head b {
    display: block;
    color: #f1f5f9;
    font-size: 14px;
    letter-spacing: -.01em;
}

.lp-win-head span {
    display: block;
    margin-top: 2px;
    font-size: 11px;
    color: rgba(148, 163, 184, .8);
}

.lp-live {
    display: inline-flex !important;
    align-items: center;
    gap: 5px;
    margin: 0 !important;
    padding: 4px 9px;
    border-radius: 999px;
    background: rgba(16, 185, 129, .10);
    border: 1px solid rgba(16, 185, 129, .22);
    color: #6ee7b7 !important;
    font-size: 10.5px !important;
    white-space: nowrap;
}

.lp-live i {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #34d399;
}

.lp-lic {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 10px;
    padding: 11px 13px;
    border-radius: 10px;
    background: rgba(255, 255, 255, .035);
    border: 1px solid rgba(148, 163, 184, .12);
}

.lp-lic + .lp-lic {
    margin-top: 8px;
}

.lp-lic-main {
    min-width: 0;
}

.lp-lic-main .mono {
    display: block;
    font-family: var(--mono);
    font-size: 11.5px;
    color: #e2e8f0;
    letter-spacing: .01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lp-lic-main small {
    display: block;
    margin-top: 1px;
    font-size: 10.5px;
    color: rgba(148, 163, 184, .75);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lp-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 600;
    white-space: nowrap;
}

.lp-badge.ok {
    background: rgba(16, 185, 129, .12);
    border: 1px solid rgba(16, 185, 129, .22);
    color: #6ee7b7;
}

.lp-badge.warn {
    background: rgba(245, 158, 11, .12);
    border: 1px solid rgba(245, 158, 11, .24);
    color: #fcd34d;
}

.lp-days {
    font-family: var(--mono);
    font-size: 10.5px;
    color: rgba(203, 213, 225, .7);
    white-space: nowrap;
}

.lp-verify {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 13px;
    padding: 8px 12px;
    border-radius: 8px;
    background: rgba(2, 6, 23, .55);
    border: 1px solid rgba(148, 163, 184, .12);
    font-family: var(--mono);
    font-size: 10.5px;
    color: rgba(203, 213, 225, .8);
}

.lp-verify .lp-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #34d399;
    box-shadow: 0 0 0 3px rgba(52, 211, 153, .14);
}

.lp-verify b {
    color: #6ee7b7;
    font-weight: 600;
}

.lp-verify em {
    margin-left: auto;
    font-style: normal;
    color: rgba(148, 163, 184, .7);
}

.lp-float {
    position: absolute;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 13px;
    border-radius: 10px;
    background: rgba(15, 23, 42, .88);
    border: 1px solid rgba(148, 163, 184, .22);
    box-shadow: 0 18px 36px -16px rgba(2, 6, 23, .8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #e2e8f0;
    font-size: 11.5px;
    font-weight: 550;
    white-space: nowrap;
}

.lp-float .ic {
    width: 14px;
    height: 14px;
    color: #6ee7b7;
}

.lp-float b {
    color: #6ee7b7;
    font-size: 13px;
}

.lp-float-a {
    left: -18px;
    bottom: 44px;
}

.lp-float-b {
    right: -10px;
    top: -14px;
    color: rgba(203, 213, 225, .8);
}

/* ---------- 快捷锚点 ---------- */

.lp-quicknav {
    position: relative;
    z-index: 1;
    display: flex;
    gap: 26px;
    overflow-x: auto;
    padding: 16px 0 20px;
    border-top: 1px solid rgba(148, 163, 184, .14);
    scrollbar-width: none;
}

.lp-quicknav::-webkit-scrollbar { display: none; }

.lp-quicknav a {
    flex: none;
    color: rgba(203, 213, 225, .72);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    transition: color .16s var(--ease);
}

.lp-quicknav a:hover { color: #fff; }

/* ---------- 通用区块 ---------- */

.lp-sec {
    padding: 78px 0;
}

.lp-sec-soft {
    background: #f5f7fb;
    border-top: 1px solid var(--ink-200);
    border-bottom: 1px solid var(--ink-200);
}

.lp-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--brand);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.lp-kicker::before {
    content: "";
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--brand), var(--brand-3));
}

.lp-head {
    max-width: 680px;
    margin: 0 auto 40px;
    text-align: center;
}

.lp-head h2,
.lp-split-copy h2 {
    margin: 12px 0 10px;
    font-size: clamp(26px, 3vw, 34px);
    line-height: 1.24;
    letter-spacing: -.035em;
    color: var(--ink-900);
    font-weight: 750;
}

.lp-head p,
.lp-split-copy > p {
    margin: 0;
    color: var(--ink-500);
    font-size: 15px;
    line-height: 1.8;
}

.lp-head-light h2 { color: #fff; }
.lp-head-light p { color: rgba(203, 213, 225, .72); }
.lp-head-light .lp-kicker { color: #a5b4fc; }

/* ---------- 什么是 IDCGo ---------- */

.lp-split {
    display: grid;
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    gap: 58px;
    align-items: center;
}

.lp-split-copy > p + p {
    margin-top: 14px;
}

.lp-split-copy h2 {
    margin-top: 10px;
}

.lp-inline-links {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    margin-top: 24px;
}

.lp-textlink {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--brand);
    font-size: 13.5px;
    font-weight: 600;
    text-decoration: none;
}

.lp-textlink .ic {
    width: 14px;
    height: 14px;
    transition: transform .16s var(--ease);
}

.lp-textlink:hover { color: var(--brand-dark); }
.lp-textlink:hover .ic { transform: translate(1px, -1px); }

.lp-life {
    padding: 10px 8px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid var(--ink-200);
    box-shadow: var(--shadow);
}

.lp-life-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 17px 16px;
    border-radius: 12px;
    transition: background .16s var(--ease);
}

.lp-life-item + .lp-life-item {
    border-top: 1px dashed var(--ink-200);
}

.lp-life-item:hover {
    background: var(--ink-50);
}

.lp-life-n {
    flex: none;
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--brand-light);
    color: var(--brand);
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 700;
}

.lp-life-item > div {
    min-width: 0;
    flex: 1;
}

.lp-life-item h3 {
    margin: 0;
    font-size: 14.5px;
    letter-spacing: -.01em;
    color: var(--ink-900);
}

.lp-life-item p {
    margin: 2px 0 0;
    font-size: 12.5px;
    line-height: 1.6;
    color: var(--ink-500);
}

.lp-life-item > .ic {
    flex: none;
    width: 18px;
    height: 18px;
    color: var(--ink-300);
}

/* ---------- 系统优势 ---------- */

.lp-adv-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
}

.lp-adv {
    padding: 22px 20px;
    border-radius: 14px;
    background: #fff;
    border: 1px solid var(--ink-200);
    box-shadow: var(--shadow-xs);
    transition: border-color .18s var(--ease), box-shadow .18s var(--ease), transform .18s var(--ease);
}

.lp-adv:hover {
    transform: translateY(-2px);
    border-color: var(--brand-soft);
    box-shadow: var(--shadow);
}

.lp-adv-ico,
.lp-mod-ico,
.lp-client-ico,
.lp-fn-ico {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--brand-light);
    color: var(--brand);
}

.lp-adv-ico .ic,
.lp-mod-ico .ic,
.lp-client-ico .ic,
.lp-fn-ico .ic {
    width: 18px;
    height: 18px;
}

.lp-adv h3 {
    margin: 14px 0 6px;
    font-size: 14.5px;
    letter-spacing: -.01em;
    color: var(--ink-900);
}

.lp-adv p {
    margin: 0;
    font-size: 13px;
    line-height: 1.72;
    color: var(--ink-500);
}

/* ---------- 模块能力 ---------- */

.lp-mod-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.lp-mod {
    padding: 24px;
    border-radius: 16px;
    background: #fff;
    border: 1px solid var(--ink-200);
    box-shadow: var(--shadow-xs);
    transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.lp-mod:hover {
    border-color: var(--brand-soft);
    box-shadow: var(--shadow);
}

.lp-mod-head {
    display: flex;
    align-items: center;
    gap: 12px;
}

.lp-mod-head h3 {
    margin: 0;
    font-size: 15.5px;
    letter-spacing: -.015em;
    color: var(--ink-900);
}

.lp-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 16px;
}

.lp-tags span {
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--ink-50);
    border: 1px solid var(--ink-200);
    color: var(--ink-600);
    font-size: 12px;
}

.lp-cover {
    margin: 26px 0 0;
    text-align: center;
    color: var(--ink-400);
    font-size: 13px;
}

/* ---------- 接入方式 ---------- */

.lp-client-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.lp-client {
    display: flex;
    flex-direction: column;
    padding: 26px 24px;
    border-radius: 16px;
    background: #fff;
    border: 1px solid var(--ink-200);
    box-shadow: var(--shadow-xs);
}

.lp-client h3 {
    margin: 15px 0 7px;
    font-size: 15.5px;
    color: var(--ink-900);
    letter-spacing: -.015em;
}

.lp-client p {
    margin: 0;
    color: var(--ink-500);
    font-size: 13.5px;
    line-height: 1.72;
}

.lp-client-meta {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px dashed var(--ink-200);
    font-family: var(--mono);
    font-size: 11.5px;
    color: var(--ink-400);
}

/* ---------- 授权查询 ---------- */

.lp-sec + .vc-section {
    padding-top: 10px;
}

.vc-section + .lp-sec {
    padding-top: 70px;
}

/* ---------- 定价 ---------- */

.lp-product-head {
    max-width: 1060px;
    margin: 0 auto 20px;
    text-align: left;
}

.lp-product-head h3 {
    margin: 0;
    font-size: 19px;
    color: var(--ink-900);
    letter-spacing: -.02em;
}

.lp-product-head p {
    margin: 4px 0 0;
    color: var(--ink-500);
    font-size: 13.5px;
}

.lp-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(258px, 1fr));
    gap: 18px;
    max-width: 1060px;
    margin: 0 auto;
    align-items: stretch;
}

.lp-plan {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 28px 25px 24px;
    border-radius: 18px;
    background: #fff;
    border: 1px solid var(--ink-200);
    box-shadow: var(--shadow-sm);
    transition: box-shadow .2s var(--ease), transform .2s var(--ease), border-color .2s var(--ease);
}

.lp-plan:hover {
    transform: translateY(-3px);
    border-color: var(--ink-300);
    box-shadow: var(--shadow-lg);
}

.lp-plan.featured {
    border-color: var(--brand-soft);
    box-shadow: 0 20px 44px -22px rgba(79, 70, 229, .4);
}

.lp-plan.featured::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 3px;
    border-radius: 18px 18px 0 0;
    background: linear-gradient(90deg, var(--brand), var(--brand-3));
}

.lp-plan-tag {
    position: absolute;
    top: 16px;
    right: 18px;
    padding: 3px 10px;
    border-radius: 999px;
    background: var(--brand);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .02em;
}

.lp-plan h3 {
    margin: 0;
    font-size: 17px;
    color: var(--ink-900);
    letter-spacing: -.02em;
}

.lp-plan-dur {
    margin-top: 6px;
    color: var(--ink-400);
    font-size: 12.5px;
}

.lp-plan-price {
    display: flex;
    align-items: baseline;
    gap: 2px;
    margin: 20px 0 2px;
    color: var(--ink-900);
}

.lp-plan-price > span {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink-500);
    margin-right: 2px;
}

.lp-plan-price b {
    font-size: 40px;
    line-height: 1;
    font-weight: 750;
    letter-spacing: -.045em;
}

.lp-plan-price small {
    margin-left: 7px;
    color: var(--ink-400);
    font-size: 12.5px;
    font-weight: 500;
}

.lp-plan ul {
    list-style: none;
    margin: 22px 0 24px;
    padding: 0;
    flex: 1;
}

.lp-plan ul li {
    position: relative;
    padding-left: 21px;
    color: var(--ink-600);
    font-size: 13px;
    line-height: 1.6;
}

.lp-plan ul li + li {
    margin-top: 9px;
}

.lp-plan ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--success);
    font-size: 12px;
    font-weight: 700;
}

.lp-spec {
    max-width: 900px;
    margin: 34px auto 0;
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--ink-200);
    box-shadow: var(--shadow-xs);
}

.lp-spec table {
    width: 100%;
    border-collapse: collapse;
}

.lp-spec th,
.lp-spec td {
    padding: 13px 20px;
    text-align: left;
    font-size: 13px;
    border-bottom: 1px solid var(--ink-100);
}

.lp-spec tr:last-child th,
.lp-spec tr:last-child td {
    border-bottom: none;
}

.lp-spec th {
    width: 190px;
    background: var(--ink-50);
    color: var(--ink-600);
    font-weight: 600;
    white-space: nowrap;
}

.lp-spec td {
    color: var(--ink-500);
}

/* ---------- 购买流程 ---------- */

.lp-steps {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.lp-steps li {
    position: relative;
    padding: 24px 22px;
    border-radius: 16px;
    background: #fff;
    border: 1px solid var(--ink-200);
    box-shadow: var(--shadow-xs);
}

.lp-steps li:not(:last-child)::after {
    content: "→";
    position: absolute;
    top: 50%;
    right: -15px;
    transform: translateY(-50%);
    z-index: 2;
    color: var(--ink-300);
    font-size: 15px;
    background: var(--canvas);
    line-height: 1;
    padding: 3px 0;
}

.lp-step-n {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--brand-light);
    border: 1px solid var(--brand-soft);
    color: var(--brand);
    font-family: var(--mono);
    font-size: 11.5px;
    font-weight: 700;
}

.lp-steps h3 {
    margin: 13px 0 5px;
    font-size: 14.5px;
    color: var(--ink-900);
    letter-spacing: -.01em;
}

.lp-steps p {
    margin: 0;
    color: var(--ink-500);
    font-size: 12.5px;
    line-height: 1.65;
}

/* ---------- 核心技术 ---------- */

.lp-dark {
    position: relative;
    overflow: hidden;
    padding: 78px 0;
    color: #fff;
    background:
        radial-gradient(720px 360px at 14% 0%, rgba(99, 102, 241, .22), transparent 62%),
        radial-gradient(620px 320px at 90% 100%, rgba(6, 182, 212, .12), transparent 64%),
        #0b1220;
}

.lp-dark::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(148, 163, 184, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, .05) 1px, transparent 1px);
    background-size: 60px 60px;
    -webkit-mask-image: radial-gradient(820px 420px at 50% 0%, #000, transparent 76%);
    mask-image: radial-gradient(820px 420px at 50% 0%, #000, transparent 76%);
    pointer-events: none;
}

.lp-dark .wrap {
    position: relative;
    z-index: 1;
}

.lp-strength-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.lp-strength {
    position: relative;
    padding: 28px 26px;
    border-radius: 16px;
    background: rgba(255, 255, 255, .035);
    border: 1px solid rgba(148, 163, 184, .18);
    transition: background .18s var(--ease), border-color .18s var(--ease);
}

.lp-strength:hover {
    background: rgba(255, 255, 255, .06);
    border-color: rgba(165, 180, 252, .35);
}

.lp-strength-n {
    font-family: var(--mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .08em;
    color: #818cf8;
}

.lp-strength h3 {
    margin: 14px 0 8px;
    font-size: 17px;
    letter-spacing: -.02em;
    color: #fff;
}

.lp-strength p {
    margin: 0;
    color: rgba(203, 213, 225, .72);
    font-size: 13.5px;
    line-height: 1.75;
}

/* ---------- 主要功能 ---------- */

.lp-fn-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.lp-fn {
    display: flex;
    align-items: flex-start;
    gap: 13px;
    padding: 19px 18px;
    border-radius: 14px;
    background: #fff;
    border: 1px solid var(--ink-200);
    transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.lp-fn:hover {
    border-color: var(--brand-soft);
    box-shadow: var(--shadow-sm);
}

.lp-fn h3 {
    margin: 1px 0 3px;
    font-size: 14px;
    color: var(--ink-900);
    letter-spacing: -.01em;
}

.lp-fn p {
    margin: 0;
    color: var(--ink-500);
    font-size: 12.5px;
    line-height: 1.6;
}

/* 卡片数量变化后，末行居中，避免右侧留空 */
.lp-adv-grid,
.lp-mod-grid,
.lp-fn-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.lp-adv {
    width: calc((100% - 42px) / 4);
}

.lp-mod {
    width: calc((100% - 32px) / 3);
}

.lp-fn {
    width: calc((100% - 28px) / 3);
}

/* ---------- 底部 CTA ---------- */

.lp-sec-cta {
    padding-top: 0;
}

.lp-cta-band {
    position: relative;
    overflow: hidden;
    padding: 56px 40px;
    border-radius: 24px;
    text-align: center;
    color: #fff;
    background:
        radial-gradient(600px 280px at 50% -20%, rgba(129, 140, 248, .38), transparent 70%),
        linear-gradient(135deg, #111c33 0%, #0b1220 62%, #101a2e 100%);
    border: 1px solid rgba(148, 163, 184, .18);
    box-shadow: var(--shadow-lg);
}

.lp-cta-band .lp-kicker {
    color: #a5b4fc;
}

.lp-cta-band .lp-kicker::before {
    background: linear-gradient(90deg, #818cf8, #67e8f9);
}

.lp-cta-band h2 {
    margin: 12px auto 10px;
    max-width: 620px;
    font-size: clamp(26px, 3vw, 34px);
    letter-spacing: -.035em;
    line-height: 1.24;
    color: #fff;
}

.lp-cta-band p {
    margin: 0 auto;
    max-width: 560px;
    color: rgba(203, 213, 225, .72);
    font-size: 14.5px;
    line-height: 1.75;
}

.lp-cta-band .lp-cta {
    justify-content: center;
}

/* ---------- 响应式 ---------- */

@media (max-width: 1100px) {
    .lp-hero-inner {
        gap: 36px;
    }

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

    .lp-adv {
        width: calc((100% - 28px) / 3);
    }

    .lp-float-a {
        left: -10px;
    }

    .lp-float-b {
        right: 0;
    }
}

@media (max-width: 960px) {
    .lp-hero {
        padding-top: 54px;
    }

    .lp-hero-inner {
        grid-template-columns: minmax(0, 1fr);
        gap: 44px;
    }

    .lp-visual {
        max-width: 560px;
        width: 100%;
        margin: 0 auto;
    }

    .lp-window {
        transform: none;
    }

    .lp-float-a {
        left: -6px;
        bottom: 28px;
    }

    .lp-float-b {
        top: -12px;
        right: 6px;
    }

    .lp-split {
        grid-template-columns: minmax(0, 1fr);
        gap: 40px;
    }

    .lp-mod-grid,
    .lp-client-grid,
    .lp-strength-grid,
    .lp-fn-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .lp-adv {
        width: calc((100% - 14px) / 2);
    }

    .lp-mod {
        width: calc((100% - 16px) / 2);
    }

    .lp-fn {
        width: calc((100% - 14px) / 2);
    }

    .lp-steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }

    .lp-steps li:not(:last-child)::after {
        display: none;
    }

    .lp-sec {
        padding: 62px 0;
    }

    .lp-dark {
        padding: 62px 0;
    }
}

@media (max-width: 640px) {
    .lp-hero {
        padding-top: 42px;
    }

    .lp-hero h1 {
        font-size: 36px;
        letter-spacing: -.035em;
    }

    .lp-lead {
        font-size: 14.5px;
        line-height: 1.78;
    }

    .lp-stats {
        gap: 18px;
        margin-top: 30px;
    }

    .lp-stats > div + div {
        padding-left: 18px;
    }

    .lp-stats .n {
        font-size: 21px;
    }

    .lp-stats .t {
        font-size: 11.5px;
    }

    .lp-quicknav {
        gap: 18px;
    }

    .lp-win-body {
        padding: 14px;
    }

    .lp-lic {
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 8px;
    }

    .lp-days {
        display: none;
    }

    .lp-float {
        display: none;
    }

    .lp-adv-grid,
    .lp-mod-grid,
    .lp-client-grid,
    .lp-strength-grid,
    .lp-fn-grid,
    .lp-steps {
        grid-template-columns: minmax(0, 1fr);
    }

    .lp-adv,
    .lp-mod,
    .lp-fn {
        width: 100%;
    }

    .lp-sec {
        padding: 52px 0;
    }

    .lp-dark {
        padding: 54px 0;
    }

    .lp-spec th,
    .lp-spec td {
        padding: 12px 14px;
        font-size: 12.5px;
    }

    .lp-spec th {
        width: 112px;
        white-space: normal;
    }

    .lp-cta-band {
        padding: 42px 22px;
        border-radius: 18px;
    }

    .lp-cta {
        gap: 10px;
    }

    .lp-cta .btn {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .lp-eyebrow .pulse {
        animation: none;
    }

    .lp-adv,
    .lp-plan,
    .lp-strength,
    .lp-fn,
    .lp-life-item,
    .lp-textlink .ic {
        transition: none;
    }

    .lp-adv:hover,
    .lp-plan:hover {
        transform: none;
    }
}

/* ---------- 首页 · 七大模块 ---------- */
.hp-mod-sec {
    position: relative;
    padding: 74px 0 88px;
    background: #fff;
    overflow: hidden;
}
.hp-mod-sec::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(148, 163, 184, .26) 1px, transparent 1px);
    background-size: 22px 22px;
    -webkit-mask-image: radial-gradient(760px 440px at 50% 34%, #000 10%, transparent 80%);
    mask-image: radial-gradient(760px 440px at 50% 34%, #000 10%, transparent 80%);
    pointer-events: none;
}
.hp-mod-sec .wrap { position: relative; z-index: 1; }

.hp-mod-head { max-width: 760px; margin: 0 auto 34px; text-align: center; }
.hp-mod-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    color: #4f46e5;
    font-size: 12px;
    font-weight: 650;
    letter-spacing: .18em;
}
.hp-mod-kicker i {
    width: 7px;
    height: 7px;
    border-radius: 2px;
    background: #4f46e5;
    transform: rotate(45deg);
}
.hp-mod-head h2 { margin: 0 0 10px; color: #0b1220; font-size: 30px; letter-spacing: -.025em; }
.hp-mod-head p { margin: 0; color: #64748b; font-size: 13.5px; }

.hp-mod-card {
    overflow: hidden;
    border: 1px solid #e2e8f2;
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 22px 50px rgba(15, 23, 42, .07);
}

.hp-mod-tr {
    display: grid;
    grid-template-columns: 62px 210px minmax(280px, 1.05fr) minmax(0, 1.35fr);
    align-items: center;
    gap: 26px;
    padding: 20px 26px;
    border-top: 1px solid #edf1f7;
}
.hp-mod-tr:not(.hp-mod-th):hover { background: #f5f9ff; }

.hp-mod-th {
    padding: 13px 26px;
    border-top: 0;
    background: linear-gradient(90deg, #1e3a8a 0%, #1d4ed8 68%, #2563eb 100%);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .02em;
}
.hp-mod-th span { text-align: center; }

.hp-mod-no {
    display: inline-grid;
    place-items: center;
    width: 34px;
    height: 26px;
    border: 1px solid #dbe3f0;
    border-radius: 5px;
    background: #f8fafc;
    color: #334155;
    font-size: 11.5px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.hp-mod-name { position: relative; display: flex; flex-direction: column; gap: 4px; padding-left: 14px; }
.hp-mod-name::before {
    content: "";
    position: absolute;
    left: 0;
    top: 2px;
    bottom: 2px;
    width: 3px;
    border-radius: 2px;
    background: var(--tone, #3b82f6);
}
.hp-mod-name b { color: #0b1220; font-size: 15px; font-weight: 650; line-height: 1.4; }
.hp-mod-name small { color: #94a3b8; font-size: 10.5px; letter-spacing: .14em; }

[data-tone="red"] { --tone: #ef4444; }
[data-tone="orange"] { --tone: #f97316; }
[data-tone="amber"] { --tone: #eab308; }
[data-tone="green"] { --tone: #22c55e; }
[data-tone="blue"] { --tone: #3b82f6; }
[data-tone="indigo"] { --tone: #6366f1; }
[data-tone="purple"] { --tone: #a855f7; }

.hp-mod-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.hp-mod-tags span {
    padding: 2px 8px;
    border: 1px solid #c7d7f5;
    border-radius: 4px;
    background: #f6f9ff;
    color: #2563eb;
    font-size: 11.5px;
    line-height: 1.6;
    white-space: nowrap;
}

.hp-mod-desc { margin: 0; color: #64748b; font-size: 12.5px; line-height: 1.75; }

@media (max-width: 1080px) {
    .hp-mod-tr { grid-template-columns: 54px 190px minmax(0, 1fr); gap: 18px; }
    .hp-mod-desc { grid-column: 2 / -1; }
}

@media (max-width: 980px) {
    .hp-mod-sec { padding: 56px 0 64px; }
    .hp-mod-th { display: none; }
    .hp-mod-card { border-radius: 12px; }
    .hp-mod-tr {
        grid-template-columns: 36px minmax(0, 1fr);
        align-items: start;
        gap: 10px 14px;
        padding: 18px;
    }
    .hp-mod-tr + .hp-mod-tr { border-top: 1px solid #edf1f7; }
    .hp-mod-no { width: 30px; height: 24px; }
    .hp-mod-name { padding-left: 11px; }
    .hp-mod-tags, .hp-mod-desc { grid-column: 2; }
}

@media (max-width: 560px) {
    .hp-mod-head h2 { font-size: 23px; }
    .hp-mod-head p { font-size: 12.5px; }
    .hp-mod-tags span { font-size: 11px; }
    .hp-mod-desc { font-size: 12px; line-height: 1.7; }
}