:root {
    --navy: #071b36;
    --navy-2: #0d2a4c;
    --blue: #2477d4;
    --green: #16a06a;
    --green-2: #0f8558;
    --gray-100: #f1f5f9;
    --gold: #c9a45a;
    --ink: #102033;
    --text: #34465c;
    --muted: #65788f;
    --line: #dce6ef;
    --paper: #f6f9fc;
    --white: #ffffff;
    --soft-blue: #e8f2ff;
    --soft-green: #e7f6ef;
    --shadow: 0 18px 42px rgba(7, 27, 54, 0.12);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
    color: var(--text);
    background: var(--paper);
    line-height: 1.7;
    overflow-x: hidden;
    width: 100%;
}

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

.container {
    width: min(1480px, calc(100% - 48px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 72px;
    padding: 12px max(24px, calc((100vw - 1180px) / 2));
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid rgba(220, 230, 239, 0.85);
    backdrop-filter: blur(14px);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--navy);
    white-space: nowrap;
}

.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    color: var(--white);
    background: linear-gradient(135deg, var(--blue), var(--green));
    font-weight: 800;
    letter-spacing: 0;
}

.brand strong,
.brand small {
    display: block;
    line-height: 1.2;
}

.brand strong {
    font-size: 16px;
}

.brand small {
    margin-top: 3px;
    color: var(--muted);
    font-size: 12px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 22px;
    color: var(--text);
    font-size: 14px;
    font-weight: 700;
}

.nav a {
    padding: 8px 0;
}

.nav-cta {
    padding: 9px 16px !important;
    border-radius: 6px;
    color: var(--white);
    background: var(--green);
}

.section {
    padding: 86px 0;
    background: var(--white);
}

.section.muted {
    background: var(--paper);
}

.section-dark {
    color: var(--white);
    background: var(--navy);
}

.hero {
    padding: 140px 0 24px; /* 恢复正常边距，因为 body 已经预留了空间 */
    display: flex;
    align-items: center;
    background-image: url("../../img/1-250210164226460.jpg");
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
}

.hero-bg {
    position: absolute;
    inset: 0;
    /*background:*/
    /*        linear-gradient(110deg, rgba(7, 27, 54, 0.98), rgba(7, 27, 54, 0.88) 52%, rgba(8, 78, 80, 0.82)),*/
    /*        radial-gradient(circle at 82% 12%, rgba(22, 160, 106, 0.32), transparent 28%),*/
    /*        linear-gradient(135deg, transparent 0 58%, rgba(36, 119, 212, 0.16) 58% 60%, transparent 60%),*/
    /*        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 96px);*/
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.72fr);
    gap: 56px;
    align-items: center;
}

.eyebrow {
    margin: 0 0 16px;
    color: var(--blue);
    font-size: 18px;
    font-weight: 800;
}

.section-dark .eyebrow,
.invert .eyebrow,
.cta-section .eyebrow {
    color: #9be7c1;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    max-width: 820px;
    margin-bottom: 24px;
    color: black;
    font-size: clamp(32px, 5.2vw, 42px);
    line-height: 1.12;
    font-weight: 850;
    letter-spacing: 0;
}

h2 {
    margin-bottom: 24px;
    color: var(--ink);
    font-size: clamp(20px, 3.2vw, 25px);
    line-height: 1.22;
    font-weight: 820;
    letter-spacing: 0;
}

h3 {
    /*color: var(--ink);*/
    font-size: 22px;
    line-height: 1.32;
    font-weight: 800;
}

.hero-lead {
    max-width: 780px;
    margin-bottom: 34px;
    color: black;
    font-size: 21px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 36px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 22px;
    border: 1px solid transparent;
    border-radius: 6px;
    font-weight: 800;
}

.btn.primary {
    color: var(--white);
    background: var(--green);
}

.btn.ghost {
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.34);
    background: rgba(255, 255, 255, 0.08);
}

.btn.download {
    color: var(--navy);
    background: var(--white);
}

.trust-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.trust-strip span {
    padding: 6px 10px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 6px;
    color: #d7e7f5;
    font-size: 13px;
}

.hero-visual {
    padding: 28px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    background: rgba(255, 255, 255, .54);
    box-shadow: 0 18px 50px rgba(20, 35, 55, .12);
    backdrop-filter: blur(10px);
    z-index: 1;
    animation: ptFadeInRight 2s ease forwards;
}

.visual-top {
    padding-bottom: 22px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.visual-top span {
    display: block;
    color: #9be7c1;
    font-size: 15px;
    font-weight: 800;
}

.visual-top strong {
    display: block;
    margin-top: 10px;
    color: black;
    font-size: 27px;
    line-height: 1.25;
}

.visual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin: 24px 0;
}

.visual-grid div {
    min-height: 112px;
    padding: 18px;
    border-radius: 6px;
    background: #f6f8fc;
}

.visual-grid b,
.visual-grid span {
    display: block;
}

.visual-grid b {
    margin-bottom: 8px;
    color: black;
    font-size: 18px;
}

.visual-grid span {
    color: black;
    font-size: 14px;
}

.visual-footer {
    padding: 18px;
    border-radius: 6px;
    color: var(--white);
    background: var(--green);
    font-weight: 800;
    text-align: center;
}

.proof-band {
    background: var(--white);
    border-bottom: 1px solid var(--line);
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
}

.proof-grid div {
    padding: 28px 18px;
    border-right: 1px solid var(--line);
}

.proof-grid div:first-child {
    border-left: 1px solid var(--line);
}

.proof-grid strong {
    display: block;
    color: var(--green);
    font-size: 34px;
    line-height: 1.12;
    font-weight: 850;
}

.proof-grid span {
    display: block;
    margin-top: 8px;
    color: var(--muted);
    font-size: 14px;
}

.split {
    display: grid;
    grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.2fr);
    gap: 72px;
}

.section-heading h2 {
    max-width: 560px;
}

.section-heading.wide {
    max-width: 880px;
    margin-bottom: 42px;
}

.section-heading.wide h2 {
    max-width: none;
}

.rich-text p,
.credential-list p,
.support-copy p,
.partner-columns p,
.cta-section p {
    color: var(--text);
    font-size: 18px;
}

.pain-grid,
.benefit-grid,
.product-grid,
.model-grid {
    display: grid;
    gap: 20px;
}

.pain-grid {
    grid-template-columns: repeat(4, 1fr);
}

.pain-grid article,
.benefit-grid article,
.product-grid article,
.model-grid article,
.partner-columns > div {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
}

.pain-grid article {
    min-height: 220px;
    padding: 24px;
}

.pain-grid h3,
.benefit-grid h3,
.product-grid h3,
.model-grid h3,
.partner-columns h3 {
    margin-bottom: 12px;
}

.pain-grid p,
.benefit-grid p,
.product-grid p,
.model-grid p {
    margin-bottom: 0;
    color: var(--muted);
}

.callout {
    margin-top: 28px;
    padding: 24px 28px;
    border-left: 6px solid var(--green);
    border-radius: 8px;
    color: var(--ink);
    background: var(--soft-green);
    font-size: 18px;
    line-height: 1.45;
}

.benefit-grid {
    grid-template-columns: repeat(3, 1fr);
}

.benefit-grid article {
    min-height: 245px;
    padding: 26px;
}

.benefit-grid span {
    display: inline-block;
    margin-bottom: 26px;
    color: var(--blue);
    font-size: 18px;
    font-weight: 850;
}

.navy-panel {
    color: #d7e7f5;
    background: var(--navy);
}

.navy-panel h2,
.navy-panel h3 {
    color: var(--white);
}

.product-grid {
    grid-template-columns: repeat(3, 1fr);
}

.product-grid article {
    min-height: 360px;
    padding: 30px;
    border-color: rgba(255, 255, 255, 0.16);
    background: rgba(255, 255, 255, 0.08);
}

.product-grid p {
    color: #d7e7f5;
    font-size: 17px;
}

.product-grid span {
    display: block;
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.16);
    color: #9be7c1;
    font-weight: 700;
}

.credential-list {
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--paper);
}

.support-layout {
    display: grid;
    grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.22fr);
    gap: 46px;
}

.support-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.support-list li {
    position: relative;
    padding: 14px 16px 14px 38px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    color: var(--text);
    font-weight: 700;
}

.support-list li::before {
    content: "";
    position: absolute;
    left: 18px;
    top: 24px;
    width: 8px;
    height: 8px;
    background: var(--green);
}

.partner-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.partner-columns > div {
    padding: 30px;
}

.model-grid {
    grid-template-columns: repeat(5, 1fr);
}

.model-grid article {
    min-height: 220px;
    padding: 24px;
}

.process {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.process li {
    min-height: 120px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    color: var(--ink);
    font-size: 17px;
    font-weight: 800;
}

.process span {
    display: block;
    margin-bottom: 18px;
    color: var(--green);
    font-size: 16px;
}

.compliance {
    background: #f9fbfd;
}

.cta-section {
    color: var(--white);
    background: linear-gradient(110deg, rgba(7, 27, 54, 0.98), rgba(13, 42, 76, 0.94)),
    radial-gradient(circle at 85% 20%, rgba(22, 160, 106, 0.34), transparent 28%);
}

.cta-section h2,
.cta-section p {
    color: var(--white);
}

.apply-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(360px, 0.78fr);
    gap: 58px;
    align-items: start;
}

.contact-lines {
    display: grid;
    gap: 10px;
    margin-top: 34px;
}

.contact-lines span {
    color: #c8d8e8;
    font-size: 18px;
    font-weight: 700;
}

.lead-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    padding: 28px;
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
}

.lead-form label {
    color: var(--ink);
    font-size: 14px;
    font-weight: 800;
}

.lead-form input,
.lead-form textarea {
    width: 100%;
    margin-top: 8px;
    padding: 12px 13px;
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--ink);
    font: inherit;
    background: var(--paper);
}

.lead-form textarea {
    resize: vertical;
}

.lead-form .full,
.lead-form button,
.lead-form p {
    grid-column: 1 / -1;
}

.lead-form button {
    min-height: 48px;
    border: 0;
    border-radius: 6px;
    color: var(--white);
    background: var(--green);
    font: inherit;
    font-weight: 850;
    cursor: pointer;
}

.lead-form p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.footer {
    padding: 34px 0;
    color: #c8d8e8;
    background: #051326;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 28px;
    align-items: center;
}

.footer strong {
    color: var(--white);
}

@media (max-width: 1020px) {
    .hero-grid,
    .split,
    .support-layout,
    .apply-grid {
        grid-template-columns: 1fr;
    }

    .pain-grid,
    .benefit-grid,
    .product-grid,
    .model-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .proof-grid,
    .process {
        grid-template-columns: repeat(2, 1fr);
    }

    .proof-grid div {
        border-bottom: 1px solid var(--line);
    }
}

@media (max-width: 720px) {
    .hero-copy {
        margin-top: 30px;
    }

    .container {
        width: min(100% - 28px, 1180px);
    }

    .hero {
        min-height: auto;
        padding: 64px 0 50px;
    }

    .section {
        padding: 58px 0;
    }

    .hero-lead,
    .rich-text p,
    .credential-list p,
    .support-copy p,
    .partner-columns p,
    .cta-section p {
        font-size: 16px;
    }

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

    .btn {
        width: 100%;
    }

    .visual-grid,
    .pain-grid,
    .benefit-grid,
    .product-grid,
    .model-grid,
    .support-list,
    .partner-columns,
    .proof-grid,
    .process,
    .lead-form {
        grid-template-columns: 1fr;
    }

    .proof-grid div,
    .proof-grid div:first-child {
        border-left: 1px solid var(--line);
        border-right: 1px solid var(--line);
    }

    .callout {
        font-size: 20px;
    }

    .product-grid article,
    .benefit-grid article,
    .pain-grid article,
    .model-grid article {
        min-height: auto;
    }
}

.hero-copy {
    animation: ptFadeInLeft 1.5s ease forwards;
}

@keyframes ptFadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-240px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes ptFadeInRight {
    from {
        opacity: 0;
        transform: translateX(240px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}