html,
body {
    margin: 0;
    padding: 0;
}

* {
    box-sizing: border-box;
}

:root {
    --bg: #f4f4f6;
    --panel: #ffffff;
    --text: #121826;
    --subtext: #666f82;
    --line: #e3e5ea;
    --brand: #e08a07;
    --brand-soft: #f6e7c2;
    --shadow: 0 10px 24px rgba(17, 24, 39, 0.08);
}

body {
    background: radial-gradient(circle at 15% -10%, #fff6de 0%, transparent 45%),
                radial-gradient(circle at 85% 0%, #f7efe6 0%, transparent 40%),
                var(--bg);
    color: var(--text);
    font-family: "MiSans", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.65;
}

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

.wrap {
    width: min(1220px, calc(100% - 48px));
    margin: 0 auto;
}

.section {
    border-bottom: 1px solid var(--line);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}

.header-inner {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    width: 30px;
    height: 30px;
    border: 4px solid #c97d07;
    border-left-color: #f3d9a3;
    border-right-color: #1f2937;
    border-radius: 8px;
    transform: rotate(45deg);
}

.brand-text {
    font-size: 32px;
    line-height: 1;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 34px;
    color: #1a2438;
    font-size: 16px;
    font-weight: 600;
}

.main-nav a:hover {
    color: var(--brand);
}

.main-nav a.is-current {
    color: var(--brand);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.theme-icon {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid var(--line);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: #1f2937;
    background: #fff;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn-ghost,
.btn-primary {
    padding: 10px 18px;
    font-size: 15px;
}

.btn-ghost {
    color: var(--panel);
    background: #b86d02;
}

.btn-primary {
    color: var(--panel);
    background: linear-gradient(135deg, #f3a321, #df7f00);
}

.btn-cta {
    padding: 12px 32px;
    font-size: 17px;
    color: var(--panel);
    background: linear-gradient(135deg, #f2a421, #d97f02);
    box-shadow: 0 10px 24px rgba(224, 138, 7, 0.3);
    border:none
}

.hero {
    min-height: calc(100vh - 76px);
    display: grid;
    place-items: center;
    text-align: center;
}

.hero-inner {
    animation: riseIn 0.65s ease both;
}

.hero-badge {
    display: inline-block;
    margin-bottom: 28px;
    padding: 9px 18px;
    border-radius: 999px;
    border: 1px solid #ead9b2;
    background: #fffaf0;
    color: #945f05;
    font-size: 16px;
}

.hero h1 {
    margin: 0;
    font-size: clamp(34px, 5.5vw, 56px);
    line-height: 1.08;
    letter-spacing: -0.03em;
}

.hero h1 em {
    color: var(--brand);
    font-style: normal;
}

.hero p {
    margin: 28px 0 34px;
    color: var(--subtext);
    font-size: clamp(16px, 2.1vw, 24px);
    line-height: 1.42;
}

.hero-tip {
    margin-top: 16px;
    color: #6b7280;
    font-size: 16px;
}

.cta-footer {
    padding: 88px 0 70px;
}

.cta-box {
    border: 1px solid var(--line);
    border-radius: 24px;
    background: #f9fafc;
    text-align: center;
    padding: 64px 24px;
    margin-bottom: 70px;
    animation: riseIn 0.65s ease both;
}

.cta-box h2 {
    margin: 0 0 24px;
    font-size: clamp(22px, 3.2vw, 34px);
    letter-spacing: -0.02em;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 30px;
    margin-bottom: 52px;
}

.footer-links h3 {
    margin: 0 0 16px;
    font-size: 28px;
    line-height: 1.1;
}

.footer-links a {
    display: block;
    color: #1b2335;
    font-size: 16px;
    margin: 10px 0;
}

.footer-links a:hover {
    color: var(--brand);
}

.copy-row {
    border-top: 1px solid var(--line);
    padding-top: 24px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 20px;
    align-items: center;
}

.copy-row strong {
    font-size: 24px;
    display: block;
    line-height: 1.2;
    margin-bottom: 6px;
}

.copy-row p {
    margin: 0;
    color: #667085;
    font-size: 15px;
}

.copy-mail {
    font-size: 22px;
    color: #111827;
}

.copy-right {
    text-align: right;
    color: #667085;
    font-size: 15px;
}

.steps-why {
    padding: 82px 0 76px;
}

.section-title {
    text-align: center;
    margin-bottom: 42px;
}

.section-title h2 {
    margin: 0 0 10px;
    font-size: clamp(24px, 3.6vw, 38px);
    letter-spacing: -0.03em;
}

.section-title p {
    margin: 0;
    color: var(--subtext);
    font-size: clamp(16px, 2.3vw, 24px);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
    margin-bottom: 74px;
}

.step-item {
    text-align: center;
    padding: 18px;
}

.step-no {
    width: 88px;
    height: 88px;
    margin: 0 auto 14px;
    border-radius: 50%;
    background: var(--brand-soft);
    color: var(--brand);
    font-size: 30px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-item h3 {
    margin: 8px 0;
    font-size: 30px;
}

.step-item p {
    margin: 0;
    color: var(--subtext);
    font-size: 17px;
}

.why-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 34px;
    align-items: stretch;
}

.why-text h2 {
    margin: 0 0 14px;
    font-size: clamp(24px, 3.6vw, 36px);
    letter-spacing: -0.03em;
}

.why-text > p {
    margin: 0 0 16px;
    color: var(--subtext);
    font-size: 18px;
}

.why-text ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.why-text li {
    margin-bottom: 12px;
    color: #334155;
    font-size: 16px;
}

.why-text li strong {
    color: #111827;
    font-size: 22px;
    margin-right: 8px;
}

.why-data {
    border: 1px solid var(--line);
    border-radius: 22px;
    background: #fff;
    box-shadow: var(--shadow);
    padding: 28px 32px;
    display: grid;
    gap: 16px;
}

.why-data b {
    display: block;
    font-size: 48px;
    line-height: 1;
}

.why-data span {
    color: #667085;
    font-size: 16px;
}

.features {
    padding: 82px 0 96px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.feature-card {
    border: 1px solid var(--line);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.9);
    padding: 30px 26px;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.05);
    transition: transform 0.24s ease, box-shadow 0.24s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 30px rgba(15, 23, 42, 0.14);
}

.feature-card .icon {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    background: #f6ebca;
    color: var(--brand);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    font-size: 26px;
}

.feature-card h3 {
    margin: 0 0 10px;
    font-size: 28px;
}

.feature-card p {
    margin: 0;
    color: #525f76;
    font-size: 17px;
}

.pricing-page {
    padding: 82px 0 96px;
}

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

.pricing-card {
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.95);
    padding: 24px 18px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 14px 26px rgba(15, 23, 42, 0.12);
}

.pricing-card.featured {
    border-color: #f0b24a;
    box-shadow: 0 12px 28px rgba(224, 138, 7, 0.18);
}

.pricing-card h3 {
    margin: 0 0 16px;
    font-size: 28px;
    line-height: 1.15;
}

.pricing-price {
    margin-bottom: 18px;
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.pricing-price b {
    font-size: 44px;
    line-height: 1;
    letter-spacing: -0.03em;
}

.pricing-price span {
    color: #5f6b7f;
    font-size: 16px;
}

.pricing-price.custom b {
    font-size: 28px;
    letter-spacing: 0;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 22px;
    display: grid;
    gap: 9px;
}

.pricing-features li {
    position: relative;
    padding-left: 18px;
    color: #495367;
    font-size: 15px;
    line-height: 1.5;
}

.pricing-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--brand);
    font-weight: 700;
}

.pricing-btn {
    width: 100%;
    margin-top: auto;
    padding: 10px 14px;
    font-size: 15px;
    color: #fff;
    background: linear-gradient(135deg, #f2a421, #d97f02);
    border-radius: 10px;
    box-shadow: 0 8px 18px rgba(224, 138, 7, 0.28);
}

.register-page {
    padding: 84px 0 92px;
}

.register-card {
    width: min(720px, 100%);
    margin: 0 auto;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: #fff;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
    padding: 34px 30px;
}

.register-card h1 {
    margin: 0 0 8px;
    font-size: clamp(26px, 3vw, 36px);
    line-height: 1.2;
}

.register-card > p {
    margin: 0 0 24px;
    color: #5f6b7f;
    font-size: 15px;
}

.register-field {
    margin-bottom: 16px;
}

.register-field label {
    display: block;
    margin-bottom: 8px;
    color: #1c273d;
    font-size: 14px;
    font-weight: 700;
}

.register-field input {
    width: 100%;
    height: 44px;
    padding: 0 12px;
    border: 1px solid #d8deea;
    border-radius: 10px;
    background: #fff;
    font-size: 15px;
    color: #1b2335;
    outline: none;
}

.register-field input:focus {
    border-color: #d97f02;
    box-shadow: 0 0 0 3px rgba(224, 138, 7, 0.15);
}

.sms-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
}

.sms-btn {
    min-width: 118px;
    height: 44px;
    border: 0;
    border-radius: 10px;
    color: #fff;
    background: #2f2a86;
    cursor: pointer;
    font-size: 14px;
}

.sms-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.register-submit {
    width: 100%;
    margin-top: 8px;
}

.blog-page {
    background: #e8e8f7;
}

.blog-page .section {
    border-bottom: none;
}

.blog-hero {
    padding: 88px 0 92px;
}

.blog-hero-inner {
    text-align: center;
}

.blog-hero-tag {
    display: inline-block;
    margin-bottom: 24px;
    font-size: 22px;
    font-weight: 700;
    color: #2f2a86;
}

.blog-hero h1 {
    margin: 0;
    color: #2a2a30;
    font-size: clamp(26px, 3.6vw, 42px);
    line-height: 1.18;
    letter-spacing: -0.03em;
}

.blog-hero p {
    margin: 34px auto 0;
    max-width: 980px;
    color: #1d2a45;
    font-size: clamp(16px, 1.8vw, 24px);
}

.blog-hero-btn {
    margin-top: 42px;
    padding: 18px 42px;
    border-radius: 999px;
    font-size: 20px;
    color: #fff;
    background: #2f2a86;
    box-shadow: 0 14px 30px rgba(47, 42, 134, 0.3);
}

.blog-hero-tip {
    margin-top: 36px;
    color: #23344e;
    font-size: clamp(15px, 1.5vw, 20px);
}

.blog-steps {
    background: #fff;
    padding: 86px 0 70px;
}

.blog-steps .section-title h2 {
    color: #2f2a86;
    font-size: clamp(26px, 3vw, 40px);
}

.blog-steps-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 42px 34px;
}

.blog-step-item {
    border: 1px solid #eceefe;
    border-radius: 16px;
    background: #fff;
    padding: 18px;
}

.blog-step-item span {
    color: #2f2a86;
    font-size: 14px;
    font-weight: 700;
}

.blog-step-item h3 {
    margin: 18px 0 10px;
    color: #2f2a86;
    font-size: clamp(18px, 1.6vw, 26px);
    line-height: 1.34;
}

.blog-step-item p {
    margin: 0;
    color: #1c2a42;
    font-size: clamp(15px, 1.4vw, 20px);
}

.blog-seo {
    padding: 78px 0 88px;
    background: linear-gradient(180deg, #5b2eb3 0%, #3d1f87 100%);
}

.blog-seo .section-title h2 {
    color: #fff;
    font-size: clamp(26px, 3vw, 40px);
}

.blog-seo-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.blog-seo-card {
    border-radius: 22px;
    background: #f5f6fb;
    padding: 34px 30px;
}

.blog-seo-card .icon {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    background: #ece7ff;
    color: #2f2a86;
    font-size: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.blog-seo-card h3 {
    margin: 0 0 12px;
    color: #131a2e;
    font-size: clamp(17px, 1.3vw, 23px);
    line-height: 1.35;
}

.blog-seo-card p {
    margin: 0;
    color: #202c43;
    font-size: clamp(14px, 1.2vw, 18px);
}

.blog-faq {
    padding: 82px 0 90px;
}

.blog-faq h2 {
    margin: 0 0 26px;
    font-size: clamp(24px, 1.8vw, 34px);
    line-height: 1.2;
}

.faq-list {
    display: grid;
    gap: 14px;
}

.faq-item {
    border-bottom: 1px solid #cfd4ef;
}

.faq-question {
    width: 100%;
    border: 0;
    background: transparent;
    color: #171f33;
    padding: 18px 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    font-size: clamp(17px, 1.3vw, 23px);
    font-weight: 700;
    cursor: pointer;
}

.faq-question b {
    font-size: 28px;
    line-height: 1;
    color: #1b1f2d;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.28s ease;
}

.faq-answer p {
    margin: 0;
    padding: 0 8px 20px;
    color: #1e2d48;
    font-size: clamp(15px, 1.2vw, 19px);
}

@keyframes riseIn {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1280px) {
    .brand-text {
        font-size: 28px;
    }

    .main-nav {
        gap: 20px;
        font-size: 15px;
    }

    .hero p,
    .hero-tip,
    .step-item p,
    .feature-card p,
    .footer-links a,
    .copy-row p,
    .copy-right,
    .why-text > p {
        font-size: 16px;
    }

    .step-item h3,
    .feature-card h3 {
        font-size: 24px;
    }

    .footer-links h3 {
        font-size: 24px;
    }

    .copy-row strong,
    .why-text li strong {
        font-size: 20px;
    }

    .why-text li {
        font-size: 15px;
    }

    .why-data b {
        font-size: 40px;
    }

    .why-data span {
        font-size: 15px;
    }
}

@media (max-width: 1200px) {
    .pricing-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .blog-seo-grid,
    .blog-steps-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 960px) {
    .header-inner {
        flex-wrap: wrap;
        justify-content: center;
        padding: 10px 0;
        gap: 14px;
    }

    .main-nav {
        order: 3;
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 14px;
    }

    .theme-icon {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: 70px 0 60px;
    }

    .footer-links,
    .steps-grid,
    .feature-grid,
    .pricing-grid,
    .blog-seo-grid,
    .blog-steps-grid,
    .why-grid {
        grid-template-columns: 1fr;
    }

    .copy-row {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .step-item,
    .feature-card {
        text-align: left;
    }

    .step-no {
        margin-left: 0;
    }
}

@media (max-width: 640px) {
    .wrap {
        width: calc(100% - 28px);
    }

    .header-actions {
        width: 100%;
        justify-content: center;
    }

    .btn-ghost,
    .btn-primary {
        padding: 9px 14px;
        font-size: 14px;
    }

    .hero-badge {
        font-size: 13px;
        padding: 7px 12px;
    }

    .hero p {
        margin: 18px 0 24px;
    }

    .cta-footer,
    .steps-why,
    .features,
    .register-page,
    .blog-hero,
    .blog-steps,
    .blog-seo,
    .blog-faq {
        padding: 56px 0;
    }

    .cta-box {
        padding: 32px 16px;
        margin-bottom: 36px;
    }

    .footer-links h3 {
        margin-bottom: 8px;
    }

    .feature-card {
        padding: 22px 18px;
    }

    .register-card {
        padding: 24px 16px;
    }

    .sms-row {
        grid-template-columns: 1fr;
    }

    .sms-btn {
        width: 100%;
    }

    .blog-hero-btn {
        width: 100%;
        max-width: 320px;
        font-size: 24px;
    }
}