:root {
    --primary: #2563eb;
    --primary-2: #60a5fa;
    --dark: #0f172a;
    --text: #334155;
    --muted: #64748b;
    --line: #e2e8f0;
    --soft: #f8fafc;
    --blue-soft: #eff6ff;
    --green: #16a34a;
    --red: #ef4444;
    --container-w: 1200px;
    --bg-light: #f8fafc;
    --border: #e2e8f0;
    --text-light: #64748b;
    --primary-dark: #1d4ed8;
    --ink: #0b1220;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background: #fff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    font-family: inherit;
}

.container {
    width: min(var(--container-w), calc(100% - 48px));
    margin: 0 auto;
}


/* =========================================================
Header
========================================================= */
.site-header {
    position: fixed;
    inset: 0 0 auto;
    height: 72px;
    z-index: 1000;
    background: rgba(255, 255, 255, .82);
    border-bottom: 1px solid rgba(226, 232, 240, .7);
    backdrop-filter: blur(18px);
}

.header-inner {
    height: 72px;
    display: flex;
    align-items: center;
}


.main-nav {
    display: flex;
    gap: 32px;
    margin-left: auto;
    margin-right: 34px;

    a {
        color: #475569;
        font-size: 13px;
        transition: color .2s;
    }

    a:hover {
        color: var(--primary);
    }
}


.header-cta {
    padding: 10px 17px;
    color: #fff;
    font-size: 13px;
    font-weight: 650;
    border-radius: 9px;
    background: var(--primary);
    height: 38px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.brand-mark {
    width: 34px;
    height: 34px;
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3px;
    align-items: end;
    padding: 7px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), #60a5fa);
    box-shadow: 0 8px 24px rgba(37, 99, 235, .22);
}

.brand-mark span {
    display: block;
    border-radius: 3px;
    background: rgba(255, 255, 255, .95);
}

.brand-mark span:nth-child(1) {
    height: 40%;
}

.brand-mark span:nth-child(2) {
    height: 70%;
}

.brand-mark span:nth-child(3) {
    height: 100%;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.05;
}

.brand-copy strong {
    color: var(--ink);
    font-size: 15px;
    font-weight: 800;
}

.brand-copy small {
    margin-top: 3px;
    color: #94a3b8;
    font-size: 7px;
    letter-spacing: 1.2px;
}


/* =========================================================
Hero
========================================================= */
.hero {
    position: relative;
    min-height: 900px;
    padding-top: 72px;
    overflow: hidden;
    background: linear-gradient(180deg, #f8fbff 0%, #fff 78%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    opacity: .55;
    background-image: linear-gradient(rgba(37, 99, 235, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, .035) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(to bottom, #000, transparent 80%);
}

.hero-glow {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    filter: blur(80px);
    opacity: .12;
}

.hero-glow-1 {
    right: -100px;
    top: 130px;
    background: #3b82f6;
}

.hero-glow-2 {
    left: -180px;
    bottom: 40px;
    background: #60a5fa;
}

.hero-inner {
    min-height: 828px;
    display: grid;
    grid-template-columns: .92fr 1.08fr;
    align-items: center;
    gap: 70px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 750;
    letter-spacing: .4px;
}

.eyebrow span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 5px rgba(37, 99, 235, .08);
}

.eyebrow.light {
    color: #93c5fd;
}

.eyebrow.light span {
    background: #60a5fa;
}

.hero-copy {
    z-index: 2;
}

.hero-copy h1 {
    margin: 22px 0 22px;
    color: var(--dark);
    font-size: clamp(48px, 3.8vw, 72px);
    line-height: 1.2;
}

.hero-copy h1 em, .section-head h2 em, .why-copy h2 em, .cta-section h2 em {
    color: var(--primary);
    font-style: normal;
}

.hero-lead {
    color: var(--muted);
    font-size: 16px;
    line-height: 1.9;
}

.hero-actions {
    display: flex;
    gap: 12px;
    margin-top: 32px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 150px;
    height: 48px;
    padding: 0 22px;
    border-radius: 9px;
    font-size: 14px;
    font-weight: 600;
    transition: all .25s ease;
    cursor: pointer;
}

.btn span {
    margin-left: 8px;
    font-size: 18px;
    transition: transform .25s ease;
}

.btn:hover span {
    transform: translateX(4px);
}

.btn-primary {
    color: #fff;
    background: var(--primary);
    box-shadow: 0 10px 25px rgba(37, 99, 235, .22);
}

.btn-primary:hover {
    /*background: var(--primary) -dark;*/
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(37, 99, 235, .28);
}

.btn-outline {
    color: var(--dark);
    border: 1px solid #cbd5e1;
    background: rgba(255, 255, 255, .8);

}

.btn-outline:hover {
    color: var(--primary);
    border-color: #93c5fd;
    background: #fff;
    transform: translateY(-2px);
}


.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 17px;
    margin-top: 28px;
    color: #64748b;
    font-size: 11px;
}

.hero-product {
    position: relative;
    padding: 18px 0 50px;
}

.dashboard-window {
    position: relative;
    overflow: hidden;
    border: 1px solid #dbe4ef;
    border-radius: 20px;
    background: #fff;
    box-shadow: 0 30px 80px rgba(15, 23, 42, .13);
    transform: perspective(1400px) rotateY(-4deg) rotateX(2deg);
    transition: transform .5s;
}

.dashboard-window:hover {
    transform: perspective(1400px) rotateY(0) rotateX(0);
}

.window-bar {
    height: 44px;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 0 16px;
    border-bottom: 1px solid #edf1f5;
    color: #64748b;
    font-size: 10px;
}

.window-dots {
    display: flex;
    gap: 5px;
}

.window-dots i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #cbd5e1;
}

.window-status {
    margin-left: auto;
    color: var(--green);
}

.dashboard-body {
    display: grid;
    grid-template-columns: 100px 1fr;
    min-height: 425px;
}

.dashboard-side {
    padding: 20px 10px;
    background: #fbfdff;
    border-right: 1px solid #edf1f5;
}

.side-logo {
    width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    margin: 0 auto 24px;
    color: #fff;
    font-size: 11px;
    font-weight: 800;
    border-radius: 8px;
    background: var(--primary);
}

.side-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 8px;
    margin: 4px 0;
    color: #94a3b8;
    font-size: 9px;
    border-radius: 7px;
}

.side-item.active {
    color: var(--primary);
    background: #eff6ff;
}

.dashboard-main {
    padding: 28px;
}

.dash-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.dash-top small {
    color: #94a3b8;
    font-size: 9px;
}

.dash-top h3 {
    margin: 6px 0 0;
    color: var(--dark);
    font-size: 17px;
}

.dash-tag {
    padding: 5px 8px;
    color: #94a3b8;
    font-size: 9px;
    border-radius: 5px;
    background: #eff6ff;
}

.dash-content {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 20px;
    margin-top: 24px;
}

.drawing-preview {
    position: relative;
    min-height: 315px;
    padding: 15px;
    overflow: hidden;
    border: 1px solid #d9e2ec;
    background: #fdfefe;
}

.drawing-title {
    color: #94a3b8;
    font-size: 8px;
    letter-spacing: 1px;
}

.drawing-shape {
    position: absolute;
    left: 25%;
    top: 34%;
    width: 44%;
    height: 30%;
    border: 2px solid #64748b;
}

.drawing-shape:after {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    height: 100%;
    border-left: 1px solid #94a3b8;
}

.drawing-line {
    position: absolute;
    left: 12%;
    height: 1px;
    background: #cbd5e1;
}

.drawing-line.l1 {
    top: 20%;
    width: 30%;
}

.drawing-line.l2 {
    top: 78%;
    width: 55%;
}

.drawing-line.l3 {
    top: 84%;
    width: 40%;
}

.drawing-qr {
    position: absolute;
    right: 14px;
    bottom: 35px;
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    color: #111827;
    font-size: 34px;
    border: 4px solid #111827;
    background: #fff;
}

.drawing-preview small {
    position: absolute;
    right: 9px;
    bottom: 16px;
    color: #94a3b8;
    font-size: 7px;
}

.dash-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dash-info > div:not(.label-mini) {
    display: flex;
    justify-content: space-between;
    padding-bottom: 9px;
    border-bottom: 1px solid #f1f5f9;
    font-size: 9px;
}

.dash-info > div span {
    color: #94a3b8;
}

.dash-info > div strong {
    color: #334155;
    font-weight: 650;
}

.label-mini {
    margin-top: auto;
    padding: 14px;
    border: 1px solid #bfdbfe;
    border-radius: 10px;
    background: #eff6ff;
}

.mini-bar {
    display: block;
    width: 55px;
    height: 4px;
    margin-bottom: 8px;
    background: var(--primary);
}

.label-mini b {
    display: block;
    color: var(--dark);
    font-size: 9px;
}

.label-mini small {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-size: 8px;
}

.section {
    padding: 120px 0;
}

/* =========================================================
Pain
========================================================= */

.pain-section {
    background: var(--bg-light);
}

.section-head {
    max-width: 760px;
    margin-bottom: 58px;
}

.section-head.center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-head h2, .why-copy h2 {
    margin: 17px 0 14px;
    color: var(--dark);
    font-size: clamp(34px, 4vw, 48px);
    line-height: 1.22;
    letter-spacing: -1.8px;
}

.section-head p {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.9;
}


.bento-grid {
    display: grid;
    grid-template-columns:1.2fr .8fr .8fr;
    gap: 16px;
}

.bento-card {
    position: relative;
    min-height: 250px;
    padding: 30px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #fff;
}

.bento-card.large {
    grid-row: span 2;
    min-height: 516px;
}

.bento-card.dark {
    color: #fff;
    background: var(--dark);
    border-color: var(--dark);
}

.bento-number {
    position: absolute;
    top: 23px;
    right: 25px;
    color: #cbd5e1;
    font-size: 11px;
    font-weight: 800;
}

.dark .bento-number {
    color: #475569;
}

.bento-icon {
    width: 47px;
    height: 47px;
    display: grid;
    place-items: center;
    margin-bottom: 25px;
    color: var(--primary);
    border-radius: 12px;
    background: #eff6ff;
    font-size: 20px;
}

.bento-icon.red {
    color: var(--red);
    background: #fef2f2;
}

.bento-icon.green {
    color: var(--green);
    background: #f0fdf4;
}

.bento-icon.blue {
    color: #60a5fa;
    background: #172554;
}

.bento-card h3 {
    margin: 0 0 10px;
    color: var(--dark);
    font-size: 18px;
}

.dark h3 {
    color: #fff;
}

.bento-card p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.8;
}

.dark p {
    color: #94a3b8;
}

.fake-list {
    margin-top: 45px;
    padding: 13px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;

    & > div {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 10px 2px;
        border-bottom: 1px solid #f1f5f9;
        color: #475569;
        font-size: 10px;

        &:last-child {
            border: 0;
        }

        i {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #f59e0b;
        }

        span {
            margin-left: auto;
            color: #94a3b8;
        }
    }
}

/* =========================================================
Flow animation
========================================================= */
.flow-section {
    position: relative;
    overflow: hidden;
    background: #f8fbff;
}

.flow-bg {
    position: absolute;
    inset: 0;
    opacity: .5;
    background-image: linear-gradient(rgba(37, 99, 235, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(37, 99, 235, .035) 1px, transparent 1px);
    background-size: 50px 50px;
}

.product-animation {
    position: relative;
    z-index: 2;
}

.animation-stage {
    position: relative;
    height: 590px;
    max-width: 1200px;
    margin: auto;
}

.flow-svg {
    position: absolute;
    left: 0;
    top: 70px;
    width: 100%;
    height: 350px;
    overflow: visible;
}

.flow-path-bg {
    fill: none;
    stroke: #dbeafe;
    stroke-width: 2;
    stroke-dasharray: 7 8;
}

.flow-path {
    fill: none;
    stroke: var(--primary);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-dasharray: 1200;
    stroke-dashoffset: 1200;
    opacity: 0;
}

.is-playing .flow-path {
    opacity: 1;
    animation: drawPath 5.2s ease-in-out forwards;
}

@keyframes drawPath {
    to {
        stroke-dashoffset: 0;
    }
}

.flow-node {
    position: absolute;
    z-index: 5;
    text-align: center;
}

.node-drawing {
    left: 3%;
    top: 95px;
}

.node-production {
    left: 30%;
    top: 25px;
}

.node-scan {
    right: 26%;
    top: 220px;
}

.node-print {
    right: 2%;
    top: 95px;
}

.node-visual {
    position: relative;
    width: 150px;
    height: 150px;
    margin: auto;
    display: grid;
    place-items: center;
}

.node-paper {
    position: relative;
    width: 112px;
    height: 142px;
    padding: 10px;
    transform: rotate(-4deg);
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    background: #fff;
    box-shadow: 0 16px 30px rgba(15, 23, 42, .10);
}

.paper-caption {
    color: #94a3b8;
    font-size: 6px;
    letter-spacing: 1px;
}

.paper-shape {
    position: absolute;
    left: 22px;
    top: 43px;
    width: 60px;
    height: 40px;
    border: 1.5px solid #64748b;
}

.paper-qr {
    position: absolute;
    right: 8px;
    bottom: 13px;
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    color: #111827;
    font-size: 20px;
    border: 3px solid #111827;
    background: #fff;
}

.paper-lines {
    position: absolute;
    left: 12px;
    bottom: 20px;
    width: 50px;
    height: 1px;
    background: #cbd5e1;
    box-shadow: 0 6px #cbd5e1, 0 12px #cbd5e1;
}

.node-pulse {
    position: absolute;
    inset: 20px;
    border: 1px solid rgba(37, 99, 235, .22);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(.8);
        opacity: 0
    }
    45% {
        opacity: 1
    }
    80% {
        transform: scale(1.05);
        opacity: 0
    }
}

.production-node {
    border-radius: 50%;
}

.factory-icon {
    width: 84px;
    height: 84px;
    display: grid;
    place-items: center;
    color: var(--primary);
    font-size: 38px;
    border: 1px solid #bfdbfe;
    border-radius: 24px;
    background: #eff6ff;
}

.production-ring {
    position: absolute;
    inset: 18px;
    border: 1px dashed #93c5fd;
    border-radius: 50%;
    animation: spin 10s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg)
    }
}

.phone-device {
    width: 86px;
    height: 150px;
    padding: 6px;
    border-radius: 16px;
    background: #0f172a;
    box-shadow: 0 18px 35px rgba(15, 23, 42, .18);
}

.phone-screen {
    position: relative;
    height: 100%;
    overflow: hidden;
    border-radius: 10px;
    background: #f8fafc;
}

.wechat-head {
    padding: 10px 0 7px;
    color: #fff;
    font-size: 7px;
    background: #16a34a;
}

.scan-frame {
    position: absolute;
    left: 15px;
    top: 45px;
    width: 48px;
    height: 48px;
    border: 2px solid #22c55e;
}

.scan-frame:before, .scan-frame:after {
    content: "";
    position: absolute;
    background: #22c55e;
}

.scan-frame:before {
    left: -2px;
    top: 12px;
    width: 48px;
    height: 1px;
    animation: scanLine 1.5s infinite;
}

.scan-frame:after {
    left: 10px;
    top: -2px;
    width: 1px;
    height: 48px;
}

@keyframes scanLine {
    50% {
        transform: translateY(30px)
    }
}

.scan-text {
    position: absolute;
    bottom: 22px;
    width: 100%;
    text-align: center;
    color: #64748b;
    font-size: 6px;
}

.printer-node {
    width: 175px;
}

.thermal-printer {
    position: relative;
    width: 145px;
    height: 90px;
    margin-top: 38px;
}

.printer-body {
    position: absolute;
    bottom: 0;
    left: 10px;
    width: 125px;
    height: 65px;
    border-radius: 10px 10px 7px 7px;
    background: #334155;
    box-shadow: 0 14px 28px rgba(15, 23, 42, .18);
}

.printer-top {
    position: absolute;
    z-index: 2;
    left: 18px;
    top: 15px;
    width: 109px;
    height: 26px;
    border-radius: 7px 7px 3px 3px;
    background: #475569;
}

.printer-slot {
    position: absolute;
    z-index: 4;
    left: 25px;
    top: 42px;
    width: 95px;
    height: 7px;
    border-radius: 4px;
    background: #0f172a;
}

.thermal-label {
    position: absolute;
    z-index: 3;
    left: 39px;
    top: 44px;
    width: 70px;
    min-height: 70px;
    padding: 7px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    color: #111827;
    font-size: 6px;
    border: 1px solid #e5e7eb;
    background: #fff;
    transform: translateY(0);
}

.thermal-label b {
    font-size: 8px;
}

.thermal-label i {
    margin-top: auto;
    color: #16a34a;
    font-style: normal;
}

.is-playing .thermal-label {
    animation: printLabel 1.2s 4.2s ease-out forwards;
}

@keyframes printLabel {
    to {
        transform: translateY(45px);
    }
}

.node-copy {
    margin-top: 10px;
}

.node-copy span {
    display: block;
    color: #93c5fd;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 1px;
}

.node-copy strong {
    display: block;
    margin-top: 4px;
    color: var(--dark);
    font-size: 15px;
}

.node-copy small {
    display: block;
    max-width: 180px;
    margin: 5px auto 0;
    color: var(--muted);
    font-size: 9px;
    line-height: 1.5;
}

.moving-qr {
    position: absolute;
    z-index: 20;
    left: 0;
    top: 0;
    width: 76px;
    text-align: center;
    opacity: 0;
    offset-path: path("M 120 210 C 260 70, 390 70, 520 210 S 790 350, 920 210 S 1040 120, 1080 210");
}

.is-playing .moving-qr {
    opacity: 1;
    animation: moveQr 5.2s cubic-bezier(.55, .05, .25, .95) forwards;
}

.moving-qr-inner {
    width: 52px;
    height: 52px;
    margin: auto;
    display: grid;
    place-items: center;
    color: #111827;
    font-size: 35px;
    border: 5px solid #111827;
    border-radius: 4px;
    background: #fff;
    box-shadow: 0 9px 24px rgba(15, 23, 42, .18);
}

.moving-qr b {
    display: block;
    margin-top: 5px;
    padding: 3px 5px;
    color: #fff;
    font-size: 7px;
    border-radius: 5px;
    background: var(--primary);
    white-space: nowrap;
}

@keyframes moveQr {
    0% {
        offset-distance: 0;
        transform: scale(.7);
    }
    7% {
        transform: scale(1);
    }
    100% {
        offset-distance: 100%;
        transform: scale(.82);
    }
}

.flow-replay {
    position: relative;
    z-index: 5;
    text-align: center;
}

.flow-replay button {
    padding: 8px 14px;
    color: var(--primary);
    font-size: 11px;
    border: 1px solid var(--primary);
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
}

.timeline-section {
    background: #fff;
}

.timeline {
    position: relative;
    display: grid;
    grid-template-columns:repeat(6, 1fr);
    gap: 12px;
}

.timeline-line {
    position: absolute;
    top: 19px;
    left: 8%;
    right: 8%;
    height: 1px;
    background: #bfdbfe;
}

.timeline-item {
    position: relative;
    z-index: 2;
    padding-top: 52px;
    text-align: center;
}

.timeline-item > b {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    color: var(--primary);
    font-size: 10px;
    border: 5px solid #eff6ff;
    border-radius: 50%;
    background: #fff;
}

.timeline-item strong {
    color: var(--dark);
    font-size: 13px;
}

.timeline-item p {
    margin: 7px 0 0;
    color: var(--muted);
    font-size: 10px;
    line-height: 1.6;
}

.advantage-section {
    background: #f8fafc;
}

.advantage-grid {
    display: grid;
    grid-template-columns:repeat(4, 1fr);
    gap: 16px;
}

.adv-card {
    padding: 30px 25px;
    border: 1px solid var(--line);
    border-radius: 17px;
    background: #fff;
    transition: .3s;
}

.adv-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 18px 45px rgba(15, 23, 42, .08);
}

.adv-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    margin-bottom: 22px;
    color: var(--primary);
    border-radius: 13px;
    background: #eff6ff;
}

.adv-card h3 {
    margin: 0 0 9px;
    color: var(--dark);
    font-size: 18px;
}

.adv-card p {
    min-height: 90px;
    margin: 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.8;
}

.adv-card strong {
    display: block;
    padding-top: 15px;
    margin-top: 17px;
    color: var(--primary);
    font-size: 10px;
    border-top: 1px solid var(--line);
}

.why-section {
    background: #fff;
}

.why-layout {
    display: grid;
    grid-template-columns:1fr 1fr;
    gap: 100px;
    align-items: center;
}

.why-copy p {
    max-width: 550px;
    color: var(--muted);
    font-size: 14px;
    line-height: 2;
}

.why-list {
    display: grid;
    grid-template-columns:1fr 1fr;
    gap: 12px;
}

.why-list > div {
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: 13px;
}

.why-list b {
    display: block;
    color: #93c5fd;
    font-size: 10px;
}

.why-list strong {
    display: block;
    margin-top: 10px;
    color: var(--dark);
    font-size: 14px;
}

.why-list span {
    display: block;
    margin-top: 7px;
    color: var(--muted);
    font-size: 10px;
    line-height: 1.7;
}

.cta-section {
    position: relative;
    overflow: hidden;
    padding: 120px 0;
    color: #fff;
    background: #0f172a;
    text-align: center;
}

.cta-glow {
    position: absolute;
    width: 600px;
    height: 350px;
    left: 50%;
    top: 20%;
    transform: translateX(-50%);
    background: #2563eb;
    filter: blur(120px);
    opacity: .18;
}

.cta-inner {
    position: relative;
}

.cta-section h2 {
    margin: 18px 0;
    font-size: clamp(38px, 5vw, 60px);
    line-height: 1.15;
    letter-spacing: -2px;
}

.cta-section h2 em {
    color: #60a5fa;
}

.cta-section p {
    max-width: 600px;
    margin: auto;
    color: #94a3b8;
    font-size: 14px;
    line-height: 1.9;
}

.cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 22px;
    margin-top: 30px;

    .wechat {
        p {
            color: orange;
        }

        img {
            width: 100px;
            height: 100px;
        }
    }
}

.btn-white {
    color: var(--primary);
    background: #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .18);
    outline: none;
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, .25);
}

.cta-actions > span {
    color: #64748b;
    font-size: 11px;
}

/* =========================================================
Flow animation
========================================================= */
footer {
    width: 100%;
    height: 80px;
    font-size: 1.4rem;
    background-color: #fff;

    .siansoft-href {
        height: 30px;
        display: flex;
        justify-content: center;
        align-items: flex-end;
        font-size: 12px;
        color: #777;

        &:hover {
            text-decoration: underline;
            color: var(--primary);
        }
    }

    .inner {
        font-size: 11px;
        display: flex;
        justify-content: center;
        align-items: center;
        height: 50px;
        color: #777;

        .beian {
            display: flex;
            align-items: center;

            &:hover {
                text-decoration: underline;
                color: var(--primary);
            }
        }

        .dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background-color: #ddd;
            margin: 0 16px;
        }

        .wangbei {
            display: flex;
            align-items: center;

            & > a {
                display: flex;
                align-items: center;

                img {
                    width: 15px;
                    height: 15px;
                    float: left;
                }

                p {
                    float: left;
                    height: 20px;
                    line-height: 20px;
                    margin: 0 0 0 5px;

                    &:hover {
                        text-decoration: underline;
                        color: var(--primary);
                    }
                }
            }
        }
    }
}

/* ========================================
   预约演示 Dialog
   ======================================== */

.demo-dialog-mask {
    position: fixed;
    z-index: 9999;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(15, 23, 42, 0.52);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s ease,
    visibility .25s ease;
}

.demo-dialog-mask.is-open {
    opacity: 1;
    visibility: visible;
}

.demo-dialog {
    position: relative;
    width: min(390px, 100%);
    padding: 38px 32px 32px;
    text-align: center;
    border: 1px solid rgba(226, 232, 240, .9);
    border-radius: 20px;
    background: #fff;
    box-shadow: 0 30px 80px rgba(15, 23, 42, .22);
    transform: translateY(18px) scale(.96);
    transition: transform .28s cubic-bezier(.2, .8, .2, 1);
}

.demo-dialog-mask.is-open .demo-dialog {
    transform: translateY(0) scale(1);
}


/* 关闭按钮 */
.demo-dialog-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    padding: 0;
    border: 0;
    border-radius: 50%;
    color: #64748b;
    background: #f1f5f9;
    font-size: 16px;
    font-weight: bold;
    line-height: 1;
    cursor: pointer;
    transition: color .2s ease,
    background .2s ease,
    transform .2s ease;
}

.demo-dialog-close:hover {
    color: #0f172a;
    background: #e2e8f0;
    transform: rotate(90deg);
}

/* 标题 */
.demo-dialog h3 {
    margin: 0;
    color: #0f172a;
    font-size: 22px;
    line-height: 1.4;
    font-weight: 750;
}

/* 描述 */
.demo-dialog p {
    margin: 8px 0 22px;
    color: #64748b;
    font-size: 13px;
    line-height: 1.7;
}

/* 二维码 */
.demo-dialog-qrcode {
    width: 210px;
    height: 210px;
    margin: 0 auto;
    padding: 10px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 8px 25px rgba(15, 23, 42, .07);
}

.demo-dialog-qrcode img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}


@media (max-width: 1000px) {
    .header-cta {
        margin-left: auto;
    }

    .main-nav {
        display: none;
    }

    .hero-inner {
        grid-template-columns:1fr;
        padding: 70px 0;
    }

    .hero {
        min-height: auto;
    }

    .hero-copy {
        text-align: center;
    }

    .hero-trust, .hero-actions {
        justify-content: center;
    }

    .hero-product {
        max-width: 720px;
        width: 100%;
        margin: auto;
    }

    .bento-grid {
        grid-template-columns:1fr 1fr;
    }

    .bento-card.large {
        grid-row: auto;
    }

    .timeline {
        grid-template-columns:repeat(3, 1fr);
        row-gap: 35px;
    }

    .timeline-line {
        display: none;
    }

    .advantage-grid {
        grid-template-columns:1fr 1fr;
    }

    .why-layout {
        grid-template-columns:1fr;
        gap: 45px;
    }
}

@media (max-width: 700px) {
    .container {
        width: calc(100% - 32px);
    }

    .site-header, .header-inner {
        height: 62px;
    }

    .is-playing .thermal-label {
        animation: none;
    }

    .brand-name {
        display: none;
    }

    .hero {
        padding-top: 62px;
    }

    .hero-inner {
        min-height: auto;
        padding: 65px 0;
        gap: 40px;
    }

    .hero-copy h1 {
        font-size: 42px;
        letter-spacing: -2px;
    }

    .hero-lead {
        font-size: 13px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .dashboard-body {
        grid-template-columns:1fr;
    }

    .dashboard-side {
        display: none;
    }

    .dashboard-main {
        padding: 18px;
    }

    .dash-content {
        grid-template-columns:1fr;
    }

    .drawing-preview {
        min-height: 230px;
    }

    .scan-float {
        left: -8px;
        bottom: 15px;
    }

    .label-float {
        right: -8px;
        top: 35px;
    }

    .section {
        padding: 80px 0;
    }

    .section-head h2, .why-copy h2 {
        font-size: 32px;
    }

    .bento-grid, .advantage-grid, .why-list {
        grid-template-columns:1fr;
    }

    .bento-card.large {
        min-height: 300px;
    }

    .animation-stage {
        height: 850px;
    }

    .flow-svg {
        display: none;
    }

    .flow-node {
        left: 50% !important;
        right: auto !important;
        transform: translateX(-50%);
    }

    .node-drawing {
        top: 0;
    }

    .node-production {
        top: 215px;
    }

    .node-scan {
        top: 455px;
    }

    .node-print {
        top: 635px;
    }

    .moving-qr {
        display: none;
    }

    .flow-replay {
        display: none;
    }

    .timeline {
        grid-template-columns:1fr 1fr;
    }

    .cta-actions {
        flex-direction: column;
    }

    .footer-inner {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}