:root {
    --ink: #211f1d;
    --muted: #625e59;
    --coral: #f44748;
    --coral-dark: #d83437;
    --orange: #ef6418;
    --cream: #fbf5ed;
    --soft: #f8f6f2;
    --paper: #ffffff;
    --line: #e8e2dc;
    --peach-line: #efcfc5;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
}

img {
    max-width: 100%;
}

a {
    color: inherit;
}

.site-container {
    width: min(1200px, calc(100% - 48px));
    margin: 0 auto;
}

.skip-link {
    position: fixed;
    top: -100px;
    left: 16px;
    z-index: 100;
    padding: 9px 15px;
    background: var(--ink);
    color: white;
}

.skip-link:focus {
    top: 12px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(255, 255, 255, 0.97);
    border-bottom: 1px solid var(--line);
}

.header-row {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.brand {
    display: flex;
    flex-direction: column;
    min-width: 130px;
    text-decoration: none;
    line-height: 1.2;
}

.brand strong {
    font-size: 20px;
    font-weight: 950;
    letter-spacing: -0.04em;
}

.brand small {
    margin-top: 5px;
    color: var(--muted);
    font-size: 10px;
    letter-spacing: 0.1em;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 34px;
}

.main-nav a {
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
}

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

.main-nav .nav-button {
    padding: 11px 20px;
    background: var(--coral);
    color: white;
}

.main-nav .nav-button:hover {
    background: var(--coral-dark);
    color: white;
}

.menu-button {
    display: none;
    padding: 8px 13px;
    border: 1px solid var(--line);
    background: white;
    color: var(--ink);
    font: inherit;
}

.hero {
    background: var(--cream);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.03fr 0.97fr;
    height: 560px;
    align-items: center;
}

.hero-copy {
    padding: 64px 70px 64px 0;
}

.eyebrow {
    margin: 0 0 20px;
    color: var(--orange);
    font-size: 14px;
    font-weight: 900;
    letter-spacing: 0.04em;
}

.hero h1,
.section h2 {
    margin: 0;
    font-size: clamp(44px, 5vw, 68px);
    line-height: 1.14;
    letter-spacing: -0.065em;
    font-weight: 950;
}

.hero h1 span {
    color: var(--orange);
}

.hero-intro {
    max-width: 550px;
    margin: 26px 0 0;
    color: var(--muted);
    font-size: 18px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-top: 34px;
}

.primary-button {
    display: inline-flex;
    min-height: 54px;
    align-items: center;
    justify-content: center;
    padding: 0 28px;
    background: var(--coral);
    color: white;
    text-decoration: none;
    font-weight: 900;
}

.primary-button:hover {
    background: var(--coral-dark);
}

.secondary-link,
.text-link {
    border-bottom: 1px solid var(--ink);
    padding-bottom: 4px;
    text-decoration: none;
    font-weight: 800;
}

.hero-note {
    margin: 22px 0 0;
    color: #8b857f;
    font-size: 12px;
}

.hero-media {
    position: relative;
    align-self: stretch;
    margin: 0;
    overflow: hidden;
    background: #f1ebe3;
}

.hero-media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-media figcaption {
    position: absolute;
    right: 16px;
    bottom: 14px;
    left: 16px;
    padding: 7px 10px;
    background: rgba(255, 255, 255, 0.88);
    color: #77716c;
    text-align: center;
    font-size: 10px;
}

.trust-bar {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: white;
}

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

.trust-grid article {
    display: grid;
    grid-template-columns: 46px 1fr;
    align-items: center;
    gap: 13px;
    min-height: 105px;
    padding: 20px 30px;
    border-right: 1px solid var(--line);
}

.trust-grid article:last-child {
    border-right: 0;
}

.trust-grid b {
    color: var(--coral);
    font-size: 13px;
}

.trust-grid article div {
    display: flex;
    flex-direction: column;
}

.trust-grid strong {
    font-size: 18px;
}

.trust-grid span {
    color: var(--muted);
    font-size: 12px;
}

.section {
    padding: 112px 0;
}

.section h2 {
    font-size: clamp(36px, 4vw, 52px);
}

.editorial-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 70px;
    align-items: center;
}

.editorial-section {
    padding-top: 76px;
}

.editorial-media {
    margin: 0;
    height: 490px;
    overflow: hidden;
}

.editorial-media img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

.editorial-copy > p:not(.eyebrow) {
    color: var(--muted);
    font-size: 16px;
}

.editorial-points {
    margin-top: 30px;
}

.editorial-points div {
    display: flex;
    flex-direction: column;
    padding: 17px 0;
    border-top: 1px solid var(--line);
}

.editorial-points b {
    font-size: 15px;
}

.editorial-points span {
    margin-top: 3px;
    color: var(--muted);
    font-size: 12px;
}

.product-section {
    background: var(--soft);
}

.section-heading {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 80px;
    align-items: end;
}

.section-heading > p {
    margin: 0;
    color: var(--muted);
}

.information-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin-top: 55px;
    border-top: 2px solid var(--ink);
}

.information-grid article {
    padding: 30px 26px;
    border-right: 1px solid var(--line);
    background: white;
}

.information-grid article:last-child {
    border-right: 0;
}

.information-grid span {
    color: var(--coral);
    font-size: 12px;
    font-weight: 900;
}

.information-grid h3 {
    margin: 15px 0 8px;
    font-size: 20px;
}

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

.transparency-section {
    background: var(--cream);
}

.transparency-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 100px;
    align-items: center;
}

.transparency-copy > p:not(.eyebrow) {
    color: var(--muted);
}

.text-link {
    display: inline-block;
    margin-top: 17px;
}

.process-list article {
    display: grid;
    grid-template-columns: 65px 1fr;
    gap: 10px;
    padding: 27px 0;
    border-bottom: 1px solid #dfd3c6;
}

.process-list article:first-child {
    border-top: 1px solid #dfd3c6;
}

.process-list b {
    color: var(--coral);
    font-size: 21px;
}

.process-list h3 {
    margin: 0 0 5px;
    font-size: 19px;
}

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

.faq-grid {
    display: grid;
    grid-template-columns: 0.78fr 1.22fr;
    gap: 110px;
}

.faq-list {
    border-top: 2px solid var(--ink);
}

.faq-list details {
    border-bottom: 1px solid var(--line);
}

.faq-list summary {
    cursor: pointer;
    padding: 24px 6px;
    font-weight: 900;
}

.faq-list p {
    margin: 0;
    padding: 0 6px 24px;
    color: var(--muted);
}

.consult-section {
    background: #fff5f3;
}

.consult-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 90px;
    align-items: start;
}

.consult-copy {
    position: sticky;
    top: 120px;
}

.consult-copy > p:not(.eyebrow) {
    color: var(--muted);
}

.consult-copy ul {
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
}

.consult-copy li {
    padding: 10px 0;
    border-bottom: 1px solid #ead5d0;
    font-weight: 700;
}

.lead-form {
    padding: 42px;
    border: 1px solid var(--peach-line);
    background: white;
}

.lead-form fieldset {
    margin: 0 0 25px;
    padding: 0 0 25px;
    border: 0;
    border-bottom: 1px solid var(--line);
}

.lead-form legend {
    margin-bottom: 15px;
    font-weight: 900;
}

.lead-form legend span,
.form-row label span {
    color: var(--coral);
}

.choice-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

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

.gender-grid {
    grid-template-columns: 1fr 1fr;
    max-width: 420px;
}

.choice-grid label {
    position: relative;
}

.choice-grid input {
    position: absolute;
    opacity: 0;
}

.choice-grid label span {
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--peach-line);
    color: #6a4b45;
    cursor: pointer;
    font-size: 13px;
}

.choice-grid input:checked + span {
    border-color: var(--coral);
    background: var(--coral);
    color: white;
    font-weight: 900;
}

.choice-grid input:focus-visible + span {
    outline: 3px solid #ffc4bd;
    outline-offset: 2px;
}

.form-row {
    display: flex;
    flex-direction: column;
    margin-bottom: 18px;
}

.form-row label {
    margin-bottom: 7px;
    font-size: 13px;
    font-weight: 800;
}

.form-row input,
.form-row textarea {
    width: 100%;
    border: 1px solid #d8d2cd;
    background: white;
    padding: 12px 13px;
    color: var(--ink);
    font: inherit;
}

.form-row textarea {
    resize: vertical;
}

.form-row input:focus,
.form-row textarea:focus {
    outline: 2px solid #ffb5ae;
    border-color: var(--coral);
}

.form-row small {
    align-self: flex-end;
    color: #8d8781;
}

.form-row .field-hint {
    align-self: flex-start;
    color: var(--coral);
    font-weight: 800;
}

.compact-fieldset {
    margin-bottom: 18px;
    padding-bottom: 18px;
}

.unit-row > div {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 10px;
}

.unit-row span {
    color: #6f6760;
    font-weight: 800;
}

.consent {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    margin: 6px 0 20px;
    color: var(--muted);
    font-size: 12px;
}

.consent input {
    margin-top: 4px;
    accent-color: var(--coral);
}

.consent a {
    color: var(--coral);
    font-weight: 800;
}

.submit-button {
    width: 100%;
    min-height: 56px;
    border: 0;
    background: var(--coral);
    color: white;
    font: inherit;
    font-weight: 950;
    cursor: pointer;
}

.submit-button:hover {
    background: var(--coral-dark);
}

.submit-button:disabled {
    opacity: 0.6;
}

.form-note {
    margin: 13px 0 0;
    color: #8c8680;
    text-align: center;
    font-size: 11px;
}

.form-error {
    padding: 10px 12px;
    background: #fff0ef;
    color: #9c2f32;
    font-size: 13px;
}

.form-error[hidden] {
    display: none;
}

.honeypot {
    position: absolute !important;
    left: -9999px !important;
}

.site-footer {
    padding: 65px 0 24px;
    background: #252321;
    color: white;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 0.7fr 0.7fr;
    gap: 80px;
}

.footer-grid > div strong {
    font-size: 22px;
}

.footer-grid p {
    max-width: 430px;
    color: #aaa39e;
    font-size: 13px;
}

.footer-grid nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-grid nav a {
    color: #c7c1bc;
    text-decoration: none;
    font-size: 13px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 45px;
    padding-top: 20px;
    border-top: 1px solid #47423e;
    color: #89827d;
    font-size: 11px;
}

@media (max-width: 980px) {
    .menu-button {
        display: block;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 78px;
        right: 0;
        left: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 18px 24px 24px;
        border-bottom: 1px solid var(--line);
        background: white;
    }

    .main-nav.open {
        display: flex;
    }

    .main-nav a {
        padding: 12px;
        text-align: center;
    }

    .hero-grid,
    .editorial-grid,
    .section-heading,
    .transparency-grid,
    .faq-grid,
    .consult-grid {
        grid-template-columns: 1fr;
    }

    .hero-grid {
        height: auto;
    }

    .hero-copy {
        padding: 70px 0 55px;
    }

    .hero-media {
        height: 550px;
    }

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

    .trust-grid article {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .trust-grid article:last-child {
        border-bottom: 0;
    }

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

    .information-grid article:nth-child(2) {
        border-right: 0;
    }

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

    .consult-copy {
        position: static;
    }
}

@media (max-width: 640px) {
    .site-container {
        width: min(100% - 30px, 1200px);
    }

    .header-row {
        min-height: 66px;
    }

    .main-nav {
        top: 66px;
    }

    .hero h1 {
        font-size: 39px;
    }

    .section h2 {
        font-size: 34px;
    }

    .hero-intro {
        font-size: 16px;
    }

    .hero-actions {
        align-items: stretch;
        flex-direction: column;
        gap: 17px;
    }

    .secondary-link {
        align-self: flex-start;
    }

    .hero-media,
    .editorial-media {
        height: 390px;
    }

    .section {
        padding: 76px 0;
    }

    .editorial-grid,
    .transparency-grid,
    .faq-grid,
    .consult-grid {
        gap: 42px;
    }

    .section-heading {
        gap: 24px;
    }

    .information-grid,
    .choice-grid {
        grid-template-columns: 1fr;
    }

    .information-grid article {
        border-right: 0;
    }

    .lead-form {
        padding: 26px 18px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
    }
}