:root {
    --my-paper: #f6f4ec;
    --my-paper-strong: #fffdf7;
    --my-paper-deep: #eceade;
    --my-ink: #1d241f;
    --my-ink-soft: #4a5148;
    --my-muted: #6d7367;
    --my-line: #d9d6c8;
    --my-moss: #2f5443;
    --my-moss-deep: #1b3529;
    --my-bloom: #b3803a;
    --my-bloom-dark: #8d6127;
    --my-shadow: 0 18px 50px rgba(29, 36, 31, 0.13);
    color-scheme: light;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 84px;
}

body.my-product-page {
    margin: 0;
    overflow-x: hidden;
    background: var(--my-paper);
    color: var(--my-ink);
    font-family: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei UI", sans-serif;
    line-height: 1.7;
}

.my-product-page img {
    display: block;
    max-width: 100%;
}

.my-product-page a {
    color: inherit;
    text-decoration: none;
}

.my-product-page button,
.my-product-page a {
    -webkit-tap-highlight-color: transparent;
}

/* ---------- 导航 ---------- */
.my-nav {
    position: fixed;
    z-index: 50;
    top: 0;
    left: 0;
    right: 0;
    min-height: 68px;
    display: grid;
    grid-template-columns: minmax(150px, 1fr) auto minmax(150px, 1fr);
    align-items: center;
    gap: 24px;
    padding: 10px clamp(20px, 4vw, 64px);
    border-bottom: 1px solid rgba(29, 36, 31, 0.1);
    background: rgba(246, 244, 236, 0.94);
    backdrop-filter: blur(16px);
}

.my-brand,
.my-footer > div {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    width: max-content;
}

.my-brand img,
.my-footer img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
}

.my-brand span,
.my-footer > div span {
    display: grid;
    line-height: 1.15;
}

.my-brand strong,
.my-footer strong {
    font-family: Georgia, "Noto Serif CJK SC", "Songti SC", serif;
    font-size: 20px;
}

.my-brand small {
    color: var(--my-muted);
    font-size: 10px;
}

.my-nav nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

.my-nav nav a {
    position: relative;
    color: #565d54;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
}

.my-nav nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -9px;
    height: 2px;
    background: var(--my-moss);
    opacity: 0;
    transform: scaleX(0.4);
    transition: opacity 160ms ease, transform 160ms ease;
}

.my-nav nav a:hover,
.my-nav nav a.is-active {
    color: var(--my-ink);
}

.my-nav nav a.is-active::after {
    opacity: 1;
    transform: scaleX(1);
}

.my-nav-back {
    justify-self: end;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: #4e5548;
    font-size: 14px;
    font-weight: 600;
}

.my-nav-back svg,
.my-button svg,
.my-feature-grid svg,
.my-quiet-grid svg,
.my-support-card svg,
.my-download-note svg {
    width: 19px;
    height: 19px;
    flex: 0 0 auto;
    stroke-width: 1.8;
}

/* ---------- Hero ---------- */
.my-hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: 128px clamp(20px, 4vw, 64px) 84px;
    background:
        radial-gradient(circle at 82% 18%, rgba(225, 233, 224, 0.9), rgba(225, 233, 224, 0) 58%),
        linear-gradient(180deg, #f1efe4 0%, var(--my-paper) 62%);
}

.my-hero::after {
    content: "";
    position: absolute;
    z-index: -1;
    right: -140px;
    bottom: -220px;
    width: 560px;
    height: 560px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(47, 84, 67, 0.09), rgba(47, 84, 67, 0) 68%);
}

.my-hero-inner {
    width: min(1220px, 100%);
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.52fr);
    align-items: center;
    gap: clamp(40px, 6vw, 96px);
    margin: 0 auto;
}

.my-kicker {
    margin: 0 0 14px;
    color: var(--my-bloom-dark);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.my-hero h1 {
    margin: 0;
    color: var(--my-moss-deep);
    font-family: Georgia, "Noto Serif CJK SC", "Songti SC", serif;
    font-size: 76px;
    line-height: 1;
    font-weight: 700;
}

.my-hero-title {
    margin: 24px 0 20px;
    font-family: Georgia, "Noto Serif CJK SC", "Songti SC", serif;
    font-size: 40px;
    line-height: 1.35;
    font-weight: 700;
}

.my-hero-lead {
    max-width: 560px;
    margin: 0;
    color: var(--my-ink-soft);
    font-size: 16px;
    line-height: 1.95;
}

.my-hero-actions,
.my-final-cta > div {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.my-hero-actions {
    margin-top: 30px;
}

.my-button {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 11px 19px;
    border: 1px solid transparent;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.4;
    transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.my-product-page a.my-button:hover {
    transform: translateY(-2px);
}

.my-product-page a.my-button-primary {
    background: var(--my-moss);
    color: #f7f7f1;
    box-shadow: 0 12px 26px rgba(47, 84, 67, 0.22);
}

.my-product-page a.my-button-primary:hover {
    background: #27493a;
}

.my-product-page a.my-button-secondary {
    border-color: #b9bbae;
    background: var(--my-paper-strong);
    color: var(--my-moss-deep);
}

.my-product-page a.my-button-secondary:hover {
    background: #f2f1e8;
}

.my-product-page a.my-button-paper {
    border-color: rgba(255, 255, 255, 0.24);
    background: var(--my-paper-strong);
    color: var(--my-moss-deep);
}

.my-product-page a.my-button-ghost {
    border-color: rgba(255, 255, 255, 0.42);
    color: #fff;
}

.my-button-disabled {
    background: rgba(255, 255, 255, 0.55);
    border-color: #c3c5b6;
    color: var(--my-muted);
    cursor: default;
}

.my-hero-meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 22px;
    margin: 32px 0 0;
    padding: 0;
    list-style: none;
    color: var(--my-ink-soft);
    font-size: 13px;
}

.my-hero-meta li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.my-hero-meta svg {
    width: 17px;
    height: 17px;
    color: var(--my-bloom);
}

.my-hero-phone {
    margin: 0;
    justify-self: center;
    width: min(100%, 320px);
}

.my-hero-phone img {
    width: 100%;
    border: 1px solid #d3d0c1;
    border-radius: 30px;
    box-shadow: 0 30px 70px rgba(29, 36, 31, 0.2);
}

/* ---------- 能力条 ---------- */
.my-proof {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--my-line);
    border-bottom: 1px solid var(--my-line);
    background: var(--my-paper-strong);
}

.my-proof div {
    min-height: 118px;
    display: grid;
    align-content: center;
    gap: 4px;
    padding: 24px clamp(20px, 3vw, 46px);
    border-right: 1px solid var(--my-line);
}

.my-proof div:last-child {
    border-right: 0;
}

.my-proof strong {
    color: var(--my-moss-deep);
    font-family: Georgia, "Noto Serif CJK SC", "Songti SC", serif;
    font-size: 21px;
}

.my-proof span {
    color: var(--my-muted);
    font-size: 13px;
}

/* ---------- 通用区块 ---------- */
.my-section {
    padding: 108px max(24px, calc((100vw - 1220px) / 2));
}

.my-section-heading {
    max-width: 760px;
    margin: 0 auto 54px;
    text-align: center;
}

.my-section-heading h2,
.my-final-cta h2 {
    margin: 0;
    font-family: Georgia, "Noto Serif CJK SC", "Songti SC", serif;
    font-size: 40px;
    line-height: 1.4;
}

.my-section-heading > p:last-child {
    margin: 20px auto 0;
    color: var(--my-muted);
    font-size: 16px;
}

.my-section-heading .my-kicker {
    font-size: 14px;
}

/* ---------- 功能 ---------- */
.my-feature-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.my-feature-grid article {
    min-height: 268px;
    padding: 28px;
    border: 1px solid var(--my-line);
    border-radius: 8px;
    background: rgba(255, 253, 247, 0.72);
}

.my-feature-grid article > svg {
    width: 28px;
    height: 28px;
    margin-bottom: 26px;
    color: var(--my-moss);
}

.my-feature-grid h3 {
    margin: 0 0 12px;
    color: var(--my-moss-deep);
    font-size: 18px;
    line-height: 1.5;
}

.my-feature-grid p {
    margin: 0;
    color: var(--my-muted);
    font-size: 14px;
}

/* ---------- 截图 ---------- */
.my-gallery {
    background: var(--my-paper-deep);
}

.my-shot-strip {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 18px;
}

.my-shot-strip figure {
    margin: 0;
}

.my-shot-strip img {
    width: 100%;
    border: 1px solid #cdcabb;
    border-radius: 20px;
    background: var(--my-paper-strong);
    box-shadow: var(--my-shadow);
}

.my-shot-strip figcaption {
    padding: 14px 6px 0;
    color: var(--my-muted);
    font-size: 13px;
    line-height: 1.6;
    text-align: center;
}

/* ---------- 理念（墨绿） ---------- */
.my-quiet {
    background: var(--my-moss-deep);
    color: #fff;
}

.my-section-heading-light .my-kicker {
    color: #d9b57e;
}

.my-section-heading-light > p:last-child {
    color: #c3d0c7;
}

.my-quiet-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.my-quiet-grid div {
    min-height: 210px;
    display: grid;
    align-content: start;
    gap: 6px;
    padding: 28px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
}

.my-quiet-grid svg {
    width: 26px;
    height: 26px;
    margin-bottom: 22px;
    color: #d9b57e;
}

.my-quiet-grid strong {
    font-family: Georgia, "Noto Serif CJK SC", "Songti SC", serif;
    font-size: 19px;
}

.my-quiet-grid span {
    color: #bfccc3;
    font-size: 13px;
    line-height: 1.7;
}

/* ---------- 下载 ---------- */
.my-download {
    background: #eff0e6;
}

.my-download-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    max-width: 940px;
    margin: 0 auto;
}

.my-download-grid article {
    min-height: 340px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 34px;
    border: 1px solid #cfd0c1;
    border-radius: 8px;
    background: var(--my-paper-strong);
}

.my-download-grid article.is-pending {
    background: #f3f2e9;
}

.my-download-head {
    display: flex;
    align-items: center;
    gap: 14px;
}

.my-download-app-icon {
    width: 54px;
    height: 54px;
    flex: 0 0 auto;
    border-radius: 13px;
    box-shadow: 0 6px 16px rgba(29, 36, 31, 0.16);
}

.my-download-meta {
    display: grid;
    gap: 1px;
    color: var(--my-muted);
    font-size: 12px;
}

.my-download-meta strong {
    color: var(--my-bloom-dark);
    font-size: 14px;
}

.my-download-grid h3 {
    margin: 22px 0 8px;
    color: var(--my-moss-deep);
    font-family: Georgia, "Noto Serif CJK SC", "Songti SC", serif;
    font-size: 28px;
}

.my-download-grid article > p {
    margin: 0 0 28px;
    color: var(--my-muted);
    font-size: 14px;
}

.my-download-grid article .my-button {
    margin-top: auto;
}

.my-download-legal {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px 9px;
    margin: 16px 0 0;
    font-size: 13px;
    color: var(--my-muted);
}

.my-download-legal a {
    color: var(--my-moss);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.my-download-note {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 7px;
    margin: 28px 0 0;
    color: var(--my-muted);
    font-size: 13px;
}

.my-download-note a {
    color: var(--my-moss);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ---------- 收尾 CTA ---------- */
.my-final-cta {
    min-height: 500px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 90px 24px;
    background: var(--my-moss);
    color: #fff;
    text-align: center;
}

.my-final-cta > img {
    width: 76px;
    height: 76px;
    margin-bottom: 24px;
    border-radius: 16px;
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.22);
}

.my-final-cta .my-kicker {
    color: #e3c79b;
}

.my-final-cta h2 {
    max-width: 760px;
}

.my-final-cta > div {
    justify-content: center;
    margin-top: 32px;
}

/* ---------- 页脚 ---------- */
.my-footer {
    min-height: 170px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 30px;
    padding: 36px max(24px, calc((100vw - 1220px) / 2));
    background: #16281f;
    color: #dde5de;
}

.my-footer small {
    color: #9dad9f;
    font-size: 11px;
}

.my-footer nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    font-size: 13px;
}

.my-footer p {
    justify-self: end;
    margin: 0;
    color: #96a79a;
    font-size: 12px;
}

.my-footer p.my-beian {
    grid-column: 1 / -1;
    justify-self: center;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 18px;
    margin: 6px 0 0;
}

.my-beian-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: #96a79a;
    text-decoration: none;
    transition: color 0.18s ease;
}

.my-beian-link:hover {
    color: #dde5de;
}

.my-beian-link svg {
    width: 13px;
    height: 13px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
    .my-shot-strip {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

@media (max-width: 1000px) {
    .my-nav {
        grid-template-columns: 1fr auto;
    }

    .my-nav nav {
        display: none;
    }

    .my-hero-inner {
        grid-template-columns: 1fr;
        gap: 44px;
    }

    .my-hero-phone {
        order: -1;
        width: min(74%, 280px);
    }

    .my-feature-grid,
    .my-quiet-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .my-footer {
        grid-template-columns: 1fr 1fr;
    }

    .my-footer nav {
        justify-content: flex-end;
    }

    .my-footer p {
        grid-column: 1 / -1;
        justify-self: start;
    }
}

@media (max-width: 760px) {
    html {
        scroll-padding-top: 66px;
    }

    .my-nav {
        min-height: 60px;
        padding: 8px 16px;
    }

    .my-brand img {
        width: 36px;
        height: 36px;
    }

    .my-brand strong {
        font-size: 18px;
    }

    .my-nav-back span {
        display: none;
    }

    .my-nav-back {
        width: 40px;
        height: 40px;
        justify-content: center;
        border: 1px solid var(--my-line);
        border-radius: 6px;
    }

    .my-hero {
        padding: 100px 18px 64px;
    }

    .my-hero h1 {
        font-size: 56px;
    }

    .my-hero-title {
        margin-top: 18px;
        font-size: 30px;
    }

    .my-hero-lead {
        font-size: 15px;
        line-height: 1.85;
    }

    .my-hero-actions {
        align-items: stretch;
    }

    .my-hero-actions .my-button {
        width: 100%;
    }

    .my-section {
        padding: 76px 18px;
    }

    .my-section-heading {
        margin-bottom: 38px;
    }

    .my-section-heading h2,
    .my-final-cta h2 {
        font-size: 29px;
    }

    .my-feature-grid,
    .my-quiet-grid,
    .my-download-grid {
        grid-template-columns: 1fr;
    }

    .my-feature-grid article,
    .my-quiet-grid div {
        min-height: 0;
        padding: 24px;
    }

    .my-feature-grid article > svg,
    .my-quiet-grid svg {
        margin-bottom: 18px;
    }

    .my-shot-strip {
        grid-template-columns: repeat(5, minmax(190px, 1fr));
        gap: 14px;
        overflow-x: auto;
        overflow-y: hidden;
        scroll-snap-type: x mandatory;
        padding: 6px 18px 22px;
        margin-inline: -18px;
        scrollbar-width: none;
    }

    .my-shot-strip::-webkit-scrollbar {
        display: none;
    }

    .my-shot-strip figure {
        scroll-snap-align: center;
    }

    .my-shot-strip figcaption {
        min-height: 58px;
    }

    .my-download-grid article {
        min-height: 0;
        padding: 28px;
    }

    .my-download-grid article .my-button {
        width: 100%;
    }

    .my-final-cta {
        min-height: 460px;
        padding: 72px 18px;
    }

    .my-final-cta .my-button {
        width: 100%;
    }

    .my-footer {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 44px 20px;
    }

    .my-footer nav {
        justify-content: flex-start;
        gap: 16px 22px;
    }

    .my-footer p {
        grid-column: auto;
    }
}

@media (max-width: 390px) {
    .my-hero h1 {
        font-size: 48px;
    }

    .my-hero-title {
        font-size: 27px;
    }

    .my-hero-meta {
        grid-template-columns: 1fr;
    }

    .my-proof {
        grid-template-columns: 1fr;
    }

    .my-proof div {
        border-right: 0;
        border-bottom: 1px solid var(--my-line);
    }

    .my-proof div:last-child {
        border-bottom: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .my-button,
    .my-nav nav a::after {
        transition: none;
    }
}