/*
 * iCore Storage | 首页专用 CSS
 * 文件位置：css/home.css
 * 用途：只控制新版首页，不修改旧站共用的 style.css。
 * 修改方法：查找下方中文区域标题，或到文件末尾「字号集中调整区」修改。
 * 注意：图片路径以 css/ 文件夹为基准，故使用 ../images/ 。
 */

/* ============================================================
 * 01. 基础设置与颜色变量
 * ============================================================ */

:root {
    --navy: #092849;
    --deep: #071a32;
    --blue: #087bc4;
    --ink: #17283b;
    --muted: #627184;
    --line: #e5eaf0;
    --soft: #f5f7fa;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    font-family: "Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
    line-height: 1.75;
}

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

button {
    font: inherit;
    cursor: pointer;
}

img {
    max-width: 100%;
}

.container {
    width: min(1280px,calc(100% - 88px));
    margin-inline: auto;
}

.skip {
    position: absolute;
    top: -60px;
    left: 10px;
    z-index: 100;
    background: #fff;
    padding: 8px;
}

.skip:focus {
    top: 10px;
}

/* ============================================================
 * 02. 顶部导航与横版 Logo
 * ============================================================ */

.site-header {
    height: 82px;
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(255,255,255,.98);
    border-bottom: 1px solid var(--line);
}

.header-inner {
    max-width: 1520px;
    width: calc(100% - 80px);
    margin: auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.brand {
    display: flex;
    align-items: center;
    flex: none;
    width: 200px;
}

.brand img {
    display: block;
    width: 100%;
    height: auto;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(22px,3vw,55px);
    font-size: 14px;
    font-weight: 700;
}

.nav a {
    white-space: nowrap;
    transition: color .2s;
}

.nav a:hover,.text-link:hover {
    color: var(--blue);
}

.nav a:last-child {
    font-size: 13px;
    border: none;
    border-radius: 0;
    padding: 0;
    font-size: inherit;
}

.menu-toggle {
    display: none;
}

/* ============================================================
 * 03. 首页轮播 Banner
 * ============================================================ */

.hero {
    height: clamp(480px,39vw,610px);
    position: relative;
    overflow: hidden;
    background: #071c39;
    color: #fff;
}

.slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity .65s ease,visibility .65s;
    display: flex;
    align-items: center;
}

.slide.is-active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

.hero-shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,rgba(2,16,39,.78),rgba(2,16,39,.43) 55%,rgba(2,16,39,.05));
}

.hero-content {
    position: relative;
    z-index: 2;
    padding-block: 48px;
}

.hero-eyebrow {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .25em;
    color: #b6d9fb;
    margin: 0 0 20px;
}

.hero h1,.hero h2 {
    font-size: clamp(37px,4.1vw,62px);
    line-height: 1.34;
    letter-spacing: .045em;
    font-weight: 750;
    margin: 0 0 23px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 25px;
    padding: 13px 24px;
    border-radius: 3px;
    font-weight: 700;
    font-size: 13px;
    min-height: 47px;
    transition: transform .2s,background .2s;
}

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

.hero-controls {
    position: absolute;
    z-index: 5;
    left: 50%;
    bottom: 22px;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 17px;
}

.pause-button {
    font-size: 11px;
}

.hero-dots {
    display: flex;
    gap: 9px;
}

.dot {
    width: 28px;
    height: 3px;
    background: #ffffff66;
    border: 0;
    padding: 0;
}

.dot.is-active {
    background: #fff;
}

/* 第二张：Gen4 产品 Banner（背景由 images/hero_gen4.png 提供） */
.slide-gen4 {
    background: #06162f url("../images/hero_gen4.png") center center / cover no-repeat;
}

/* 第三张：SATA 产品 Banner（左侧留白，右侧产品） */
.slide-sata {
    background: #cbdbe9 url("../images/hero_sata.png") center center / cover no-repeat;
}

.hero-abstract {
    position: absolute;
    right: -5%;
    top: 0;
    width: 57%;
    height: 100%;
    opacity: .68;
    transform: skewX(-16deg);
    border-left: 1px solid #ffffff30;
}

.visual-note {
    position: absolute;
    left: 0;
    bottom: -54px;
    font-size: 10px;
    letter-spacing: .14em;
    color: #c0d4ec;
}

/* ============================================================
 * 04. 新闻公告区域
 * ============================================================ */

.slide-brand {
    background: #09284a url("../images/hero_background.png") center/cover no-repeat;
}

.hero-desc {
    font-size: 16px;
    color: #e4effb;
    margin: 0 0 30px;
}

.button-white {
    background: #fff;
    color: #173957;
}

.hero-arrow,.pause-button {
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.4);
    color: #fff;
    border-radius: 50%;
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    font-size: 14px;
}

.hero-abstract-a {
    background: repeating-linear-gradient(135deg,transparent 0 30px,#4d8aff25 32px 34px,transparent 36px 80px),radial-gradient(ellipse at 45% 50%,#2278ed9c,transparent 62%);
}

.hero-abstract-b {
    background: repeating-linear-gradient(0deg,transparent 0 38px,#87dfff22 39px 41px,transparent 42px 82px),radial-gradient(ellipse at 60% 50%,#39a4c5b8,transparent 65%);
}

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

.news-inner {
    display: grid;
    grid-template-columns: 220px 1fr;
    align-items: center;
    gap: 40px;
    padding-block: 30px;
}

.section-tag h2 {
    font-size: 21px;
    margin: 2px 0 0;
}

.eyebrow {
    font-size: 11px;
    letter-spacing: .19em;
    color: var(--blue);
    font-weight: 800;
    margin: 0 0 11px;
}

.news-placeholder {
    display: flex;
    align-items: center;
    gap: 25px;
    color: #697789;
    font-size: 13px;
    padding: 10px 0;
}

.news-date {
    font-size: 10px;
    font-weight: 700;
    color: #8095a9;
    letter-spacing: .08em;
}

/* ============================================================
 * 05. 通用区块与产品展示
 * ============================================================ */

.section {
    padding: 55px 0;
}

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

.section-heading {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 25px;
    margin-bottom: 33px;
}

.section-heading h2 {
    font-size: clamp(30px,3vw,41px);
    line-height: 1.4;
    margin: 0 0 15px;
    letter-spacing: .02em;
}

.section-description {
    color: var(--muted);
    font-size: 15px;
    margin: 0;
}

.text-link {
    color: #0b568d;
    font-size: 13px;
    font-weight: 800;
    white-space: nowrap;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4,minmax(0,1fr));
    gap: 19px;
}

.product-card {
    display: block;
    background: #fff;
    border: 1px solid #e8edf2;
    transition: transform .25s,box-shadow .25s;
    min-width: 0;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px #122f4917;
}

.product-photo {
    aspect-ratio: 3/4;
    overflow: hidden;
    background: #e9eef4;
}

.product-photo img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-body {
    padding: 18px 21px 12px;
}

.product-type {
    display: block;
    color: #69819a;
    font-size: 10px;
    letter-spacing: .13em;
    font-weight: 800;
    margin-bottom: 6px;
}

.product-body h3 {
    font-size: 22px;
    line-height: 1.3;
    margin: 0 0 12px;
}

.product-body p {
    font-size: 13px;
    color: #637186;
    line-height: 1.7;
    min-height: 0;
    margin: 0;
}

.product-more {
    font-size: 12px;
    font-weight: 800;
    color: #0866a7;
}

.product-disclaimer {
    font-size: 11px;
    color: #7b8896;
    margin: 22px 0 0;
}

/* ============================================================
 * 06. 品质与售后图片区块
 * ============================================================ */

.values-section {
    background: #fff;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 28px;
}

.feature-card {
    background: #fff;
    border: 1px solid var(--line);
}

.feature-visual {
    height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.feature-quality {
    background: linear-gradient(130deg,#eaf3f9,#b7d3e8 55%,#e7eff6);
}

.feature-support {
    background: linear-gradient(130deg,#e8f0f7,#c5d8e9 60%,#f1f6f9);
}

.feature-visual:after {
    content: "";
    position: absolute;
    inset: 20px;
    border: 1px solid #ffffff90;
    pointer-events: none;
}

.placeholder-kicker {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .25em;
    color: #547997;
    margin-bottom: 13px;
}

.placeholder-title {
    font-size: 26px;
    letter-spacing: .04em;
    font-weight: 750;
    color: #1a4767;
}

.placeholder-desc {
    font-size: 12px;
    color: #5e7d95;
    margin-top: 12px;
}

.feature-body {
    padding: 31px 34px 34px;
}

.feature-body h3 {
    font-size: 23px;
    line-height: 1.45;
    margin: 0 0 14px;
}

.feature-body p:not(.eyebrow) {
    font-size: 14px;
    color: var(--muted);
    margin: 0 0 22px;
}

/* ============================================================
 * 07. 官方商城区域
 * ============================================================ */

.store-section {
    background: #0b2a4a;
    color: #fff;
    padding: 70px 0 45px;
}

.store-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 45px;
}

.store-section .eyebrow {
    color: #9bcef4;
}

.store-section h2 {
    font-size: 31px;
    margin: 0 0 8px;
}

.store-section p:not(.eyebrow) {
    font-size: 13px;
    color: #c9d8e8;
}

.store-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.button-outline {
    border: 1px solid #b4c7db;
    background: #fff;
    color: #173a59;
}

.store-disclaimer {
    font-size: 10px !important;
    margin-top: 30px !important;
}

/* ============================================================
 * 08. 页脚、版权信息
 * ============================================================ */

.footer {
    background: #06172b;
    color: #d6e0eb;
    padding: 38px 0 22px;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.footer-brand {
    font-weight: 800;
    font-size: 22px;
    color: #7cbce8;
}

.footer-brand span {
    font-weight: 400;
    font-size: 13px;
    color: #a5b6c8;
}

.footer nav {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    font-size: 12px;
}

.copyright {
    margin-top: 25px;
    padding-top: 17px;
    border-top: 1px solid #25405a;
    color: #8497aa;
    font-size: 11px;
}

/* ============================================================
 * 09. 原版响应式布局（平板 / 手机 / 减少动画）
 * 保留原版设置，避免影响布局及菜单行为。
 * ============================================================ */

@media (max-width:1120px) {
    .header-inner {
        width: calc(100% - 48px);
        gap: 25px;
    }

    .brand {
        width: 165px;
    }

    .nav {
        gap: 17px;
        font-size: 12px;
    }

    .container {
        width: calc(100% - 60px);
    }

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

    .product-photo {
        aspect-ratio: 3/3.2;
    }

    .store-inner {
        align-items: flex-start;
        flex-direction: column;
        gap: 24px;
    }
}

@media (max-width:760px) {
    .site-header {
        height: 65px;
    }

    .header-inner {
        width: calc(100% - 34px);
    }

    .brand {
        width: 144px;
    }

    .menu-toggle {
        display: flex;
        flex-direction: column;
        gap: 5px;
        justify-content: center;
        border: 0;
        background: transparent;
        padding: 10px;
    }

    .menu-toggle span {
        width: 23px;
        height: 2px;
        background: #183b58;
    }

    .nav {
        display: none;
        position: absolute;
        top: 65px;
        left: 0;
        right: 0;
        background: #fff;
        box-shadow: 0 15px 30px #0c23341a;
        padding: 15px 23px 23px;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .nav.open {
        display: flex;
    }

    .nav a {
        padding: 11px 0;
        font-size: 14px;
        border-bottom: 1px solid #edf0f4;
    }

    .nav a:last-child {
        border: 0;
        padding: 11px 0;
    }

    .container {
        width: calc(100% - 36px);
    }

    .hero {
        height: 490px;
    }

    .hero-content {
        padding-bottom: 65px;
    }

    .hero h1,.hero h2 {
        font-size: clamp(32px,8vw,46px);
    }

    .hero-desc {
        font-size: 13px;
        max-width: 300px;
    }

    .hero-shade {
        background: linear-gradient(90deg,#071c39d9,#071c397a);
    }

    .hero-eyebrow {
        font-size: 10px;
    }

    .hero-controls {
        bottom: 17px;
    }

    .news-inner {
        grid-template-columns: 1fr;
        gap: 5px;
        padding-block: 22px;
    }

    .section-tag h2 {
        font-size: 19px;
    }

    .news-placeholder {
        flex-wrap: wrap;
        gap: 7px;
        font-size: 12px;
    }

    .section {
        padding: 62px 0;
    }

    .section-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 13px;
    }

    .section-heading h2 {
        font-size: 30px;
    }

    .section-description {
        font-size: 13px;
    }

    .product-grid {
        gap: 11px;
    }

    .product-photo {
        aspect-ratio: 3/4;
    }

    .product-body {
        padding: 13px 11px 12px;
    }

    .product-type {
        font-size: 8px;
        letter-spacing: .04em;
    }

    .product-body h3 {
        font-size: 17px;
        margin-bottom: 10px;
    }

    .product-body p {
        display: none;
    }

    .product-more {
        font-size: 11px;
    }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .feature-visual {
        height: 230px;
    }

    .feature-body {
        padding: 24px;
    }

    .feature-body h3 {
        font-size: 20px;
    }

    .store-section {
        padding: 52px 0 35px;
    }

    .store-section h2 {
        font-size: 27px;
    }

    .store-actions {
        width: 100%;
    }

    .store-actions .button {
        width: 100%;
    }

    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer nav {
        gap: 13px 18px;
    }

    .visual-note {
        bottom: -40px;
    }
}

@media (prefers-reduced-motion:reduce) {
    *,*:before,*:after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}

/* ============================================================
 * 10. V2 已有调整（保留原设置）
 * ============================================================ */

@media (min-width:1121px) {
    .nav {
        font-size: 17px;
        gap: clamp(24px,3vw,52px);
    }

    .nav a:last-child {
        font-size: 16px;
    }
}

.hero-eyebrow {
    font-size: 14px;
}

.hero-desc {
    font-size: 19px;
    line-height: 1.85;
}

.button {
    font-size: 16px;
    min-height: 51px;
}

.eyebrow {
    font-size: 13px;
}

.news-placeholder {
    font-size: 16px;
}

.news-date {
    font-size: 13px;
}

.section-description {
    font-size: 18px;
}

.text-link {
    font-size: 16px;
}

.product-type {
    font-size: 12px;
}

.product-body p {
    font-size: 16px;
    line-height: 1.75;
}

.product-more {
    font-size: 15px;
}

.product-disclaimer {
    font-size: 13px;
}

.feature-body p:not(.eyebrow) {
    font-size: 17px;
}

.store-section p:not(.eyebrow) {
    font-size: 16px;
}

.store-disclaimer {
    font-size: 13px !important;
}

.footer nav {
    font-size: 15px;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    background: transparent;
    padding: 0;
    border-radius: 0;
    line-height: 0;
}

.footer-brand img {
    display: block;
    width: 175px;
    height: auto;
}

.copyright {
    text-align: center;
    font-size: 13px;
}

@media (min-width:761px) and (max-width:1120px) {
    .nav {
        font-size: 15px;
        gap: clamp(12px,1.5vw,22px);
    }

    .nav a:last-child {
        font-size: 14px;
    }
}

@media (max-width:760px) {
    .nav a {
        font-size: 16px;
    }

    .hero-eyebrow {
        font-size: 12px;
    }

    .hero-desc {
        font-size: 16px;
        max-width: 340px;
    }

    .button {
        font-size: 15px;
    }

    .news-placeholder {
        font-size: 15px;
    }

    .news-date {
        font-size: 12px;
    }

    .section-description {
        font-size: 16px;
    }

    .product-type {
        font-size: 10px;
    }

    .product-more {
        font-size: 13px;
    }

    .feature-body p:not(.eyebrow) {
        font-size: 16px;
    }

    .store-section p:not(.eyebrow) {
        font-size: 15px;
    }

    .store-disclaimer {
        font-size: 12px !important;
    }

    .footer nav {
        font-size: 14px;
    }

    .footer-brand img {
        width: 155px;
    }

    .copyright {
        font-size: 12px;
    }
}

/* ============================================================
 * 11. V3 字号集中调整区 —— 以后主要修改这里即可
 *
 * 字号单位：px，数值越大，文字越大。
 * 例如 font-size: 20px; 改成 22px 即放大。
 * 下面先设电脑字号，再单独设置手机字号。
 * ============================================================ */

/* 顶部导航：产品 / 支持 / 公司信息等菜单 */
@media (min-width: 1121px) {
    .nav { font-size: 18px; }
    .nav a:last-child { font-size: 17px; }
}

/* 首页 Banner：副标题、介绍文字和按钮 */
.hero-eyebrow { font-size: 15px; }
.hero-desc { font-size: 20px; line-height: 1.85; }
.button { font-size: 18px; }

/* 所有区域：英文小标题 / 日文介绍 / 右侧查看全部链接 */
.eyebrow { font-size: 15px; }
.section-description { font-size: 20px; line-height: 1.85; }
.text-link { font-size: 18px; }

/* 新闻公告：公告内容与日期 */
.news-placeholder { font-size: 18px; }
.news-date { font-size: 15px; }

/* 四款产品：产品类型 / 名称 / 介绍 / 查看链接 */
.product-type { font-size: 15px; }
.product-body h3 { font-size: 27px; }
.product-body p { font-size: 20px; line-height: 1.8; min-height: 0; }
.product-more { font-size: 18px; }
.product-disclaimer { font-size: 14px; }

/* 品质与售后：图片区下方的标题、说明和链接 */
.feature-body h3 { font-size: 27px; }
.feature-body p:not(.eyebrow) { font-size: 20px; line-height: 1.85; }
.feature-body .text-link { font-size: 18px; }

/* 官方商城：说明文字、购买按钮、保修提示 */
.store-section p:not(.eyebrow) { font-size: 19px; }
.store-disclaimer { font-size: 15px !important; }

/* 页脚：导航链接和居中的版权文字 */
.footer nav { font-size: 17px; }
.copyright { font-size: 15px; text-align: center; }

/* 中型屏幕 / iPad：避免菜单太大造成换行 */
@media (min-width: 761px) and (max-width: 1120px) {
    .nav { font-size: 15px; }
    .nav a:last-child { font-size: 14px; }
    .product-body h3 { font-size: 25px; }
    .product-body p { font-size: 18px; }
}

/* 手机：保留产品双列排版，文字不能照搬电脑字号 */
@media (max-width: 760px) {
    .nav a { font-size: 17px; }
    .hero-eyebrow { font-size: 12px; }
    .hero-desc { font-size: 17px; }
    .button { font-size: 16px; }
    .eyebrow { font-size: 13px; }
    .section-description { font-size: 17px; }
    .text-link { font-size: 16px; }
    .news-placeholder { font-size: 16px; }
    .news-date { font-size: 13px; }
    .product-type { font-size: 11px; }
    .product-body h3 { font-size: 18px; }
    .product-body p { display: none; } /* 手机两列：隐藏较长的产品介绍 */
    .product-more { font-size: 14px; }
    .feature-body h3 { font-size: 23px; }
    .feature-body p:not(.eyebrow) { font-size: 17px; }
    .store-section p:not(.eyebrow) { font-size: 17px; }
    .store-disclaimer { font-size: 13px !important; }
    .footer nav { font-size: 15px; }
    .copyright { font-size: 13px; }
}


/* ============================================================
 * 12. V4 页面留白与视觉节奏优化（2026-10-22）
 *
 * 修改重点：缩短产品区与「OUR COMMITMENT」之间的空白。
 * 这里只调整区域间距，不修改图片、字体大小或产品链接。
 *
 * 数值说明：padding: 上下 左右；例如 40px 0 表示上下 40px。
 * 想继续缩小空白，可以微调下面的 35px 和 38px。
 * ============================================================ */

/* 产品区：上方保持呼吸感，下方减少空白 */
.products-section {
    padding-top: 55px;
    padding-bottom: 35px;
}

/* 产品标题到四张图片的间距 */
.products-section .section-heading {
    margin-bottom: 27px;
}

/* 产品下方规格提示：紧贴卡片，但保持可读性 */
.product-disclaimer {
    margin-top: 16px;
    line-height: 1.7;
}

/* 品质与售后：缩小顶部留白，使两个区域衔接更自然 */
.values-section {
    padding-top: 38px;
    padding-bottom: 64px;
}

/* 品质与售后：标题到图片占位区的距离 */
.values-section .section-heading {
    margin-bottom: 27px;
}

/* 平板：产品和品质区域保持适度间距 */
@media (min-width: 761px) and (max-width: 1120px) {
    .products-section {
        padding-top: 48px;
        padding-bottom: 32px;
    }

    .values-section {
        padding-top: 38px;
        padding-bottom: 55px;
    }
}

/* 手机：避免过度压缩内容，维持原有双列产品布局 */
@media (max-width: 760px) {
    .products-section {
        padding-top: 43px;
        padding-bottom: 31px;
    }

    .values-section {
        padding-top: 36px;
        padding-bottom: 48px;
    }

    .products-section .section-heading,
    .values-section .section-heading {
        margin-bottom: 23px;
    }

    .product-disclaimer {
        margin-top: 14px;
    }
}


/* ============================================================
 * 13. 正式 Banner 图片接入（Gen4 / SATA）
 * 图片放在网站 images/ 目录；无需修改共用 style.css。
 * 旧 HTML 中的 BANNER IMAGE 占位文字与抽象图层在此隐藏，
 * 即使尚未手动删除 HTML，也不会遮挡正式图片。
 * ============================================================ */
.slide-gen4 .visual-note,
.slide-sata .visual-note,
.slide-gen4 .hero-abstract,
.slide-sata .hero-abstract {
    display: none;
}

/* SATA 是浅色摄影背景：标题与说明使用深蓝色 */
.slide-sata {
    color: #102d4c;
}
.slide-sata .hero-eyebrow,
.slide-sata .hero-desc,
.slide-sata h2 {
    color: #102d4c;
}
.slide-sata .hero-eyebrow {
    color: #245c84;
}
.slide-sata .button-white {
    background: #123b66;
    color: #fff;
    border: 1px solid #123b66;
}

/* 手机竖屏：横幅图片会裁切；将文字放在柔和浅色渐变上确保可读 */
@media (max-width: 760px) {
    .slide-gen4 {
        background-position: 64% center;
    }
    .slide-sata {
        background-position: 65% center;
    }
    .slide-sata::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(237,245,252,.95) 0%, rgba(237,245,252,.85) 52%, rgba(237,245,252,.24) 100%);
        pointer-events: none;
    }
    .slide-sata .hero-content {
        z-index: 2;
    }
}

/* 14. Banner 图片显示保障：路径相对 css/ 目录 */
.slide-gen4 { background-image: url("../images/hero_gen4.png"); }
.slide-sata { background-image: url("../images/hero_sata.png"); }


/* ============================================================
 * 15. V5 Banner 整体点击・字号统一・控制器简化
 * 保持全部图片文件名及路径不变。
 * ============================================================ */
.hero .slide[data-href] { cursor: pointer; }
.hero .slide[data-href]:focus-visible { outline: 3px solid #2b88d0; outline-offset: -5px; }
/* 左右箭头保留在 DOM 中供既有 JS 使用，但视觉上不显示。 */
.hero-controls .hero-arrow { display: none; }
.hero-controls { gap: 18px; }
.hero-dots { gap: 12px; }
.hero-dots .dot { width: 34px; height: 4px; cursor: pointer; }
.hero .hero-content { pointer-events: none; }
.hero .hero-eyebrow { font-size: 15px; line-height: 1.5; }
.hero h1, .hero h2 { font-size: clamp(38px, 4.1vw, 64px); line-height: 1.34; letter-spacing: .035em; }
.hero .hero-desc { font-size: 20px; line-height: 1.75; margin-bottom: 0; }
@media (max-width: 760px) {
  .hero h1, .hero h2 { font-size: clamp(28px, 7vw, 43px); line-height: 1.4; }
  .hero .hero-eyebrow { font-size: 12px; }
  .hero .hero-desc { font-size: 16px; line-height: 1.7; }
  .hero .hero-content { padding-bottom: 55px; }
}


/* ============================================================
 * 16. V6 品牌首图：清爽蓝白风格（2026-10-22）
 * 仅调整第一张 Banner；不改变图片路径、字号或点击行为。
 * ============================================================ */
/* 移除品牌首图深灰遮罩；Gen4 等其他轮播不受影响。 */
.hero .slide-brand .hero-shade { display: none; }

/* 白底上使用品牌蓝文字。 */
.hero .slide-brand { color: #173653; background-color: #edf5fb; }
.hero .slide-brand .hero-eyebrow { color: #087bc4; }
.hero .slide-brand h1,
.hero .slide-brand h2 { color: #173653; }
.hero .slide-brand .hero-desc { color: #40566d; }

/* 尽可能优先展示图片右侧电脑；cover 在窄屏仍可能裁切。 */
.hero .slide-brand { background-position: right center; }

/* 仅品牌首图显示时，轮播指示线与暂停键切换为深色。 */
.hero:has(.slide-brand.is-active) .hero-dots .dot {
    background: rgba(42, 78, 112, .32);
}
.hero:has(.slide-brand.is-active) .hero-dots .dot.is-active {
    background: #087bc4;
}
.hero:has(.slide-brand.is-active) .pause-button {
    color: #173653;
    border-color: rgba(23, 54, 83, .32);
    background: rgba(255, 255, 255, .72);
}

/* 手机端保留明亮风格，避免旧移动端遮罩再次盖住背景。 */
@media (max-width: 760px) {
    .hero .slide-brand .hero-shade { display: none; }
    .hero .slide-brand { background-position: 75% center; }
}

/* 16. OUR COMMITMENT: two photo panels only */
.feature-visual.feature-quality,
.feature-visual.feature-support {
    background: #e9f2f8;
}
.feature-visual .feature-image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}
.feature-visual.feature-quality::after,
.feature-visual.feature-support::after {
    display: none;
}


/* 17. OFFICIAL ONLINE STORE: brand logos and button colors only */
.store-actions .store-button {
    width: 245px;
    min-height: 60px;
    padding: 10px 24px;
    gap: 0;
    border: 1px solid transparent;
    border-radius: 3px;
}
.store-actions .store-button-amazon { background: #FFCC00; border-color: #ff9900; }
.store-actions .store-button-rakuten { background: #bf0000; border-color: #bf0000; }
.store-actions .store-button img {
    display: block;
    width: 100%;
    height: 25px;
    object-fit: contain;
}
.store-actions .store-button:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
@media (max-width: 760px) {
    .store-actions .store-button { width: 100%; }
}

/* Final unified site adjustments — scoped to affected sections only */
.store-section{padding:34px 0 36px}
.store-section .store-inner{gap:30px}
.store-section .store-disclaimer{display:none}
.store-section .eyebrow{margin-bottom:9px}
.store-section h2{margin-bottom:10px}
.store-section p:not(.eyebrow){margin:0}
.feature-card-link{display:block;color:inherit;text-decoration:none;cursor:pointer;transition:box-shadow .2s,border-color .2s}
.feature-card-link:hover{box-shadow:0 7px 22px rgba(10,40,70,.11);border-color:#b4cbdc}
.feature-card-link:focus-visible{outline:3px solid #087bc4;outline-offset:3px}
.footer{background:#f4f7fa;color:#40546b}
.footer nav a{color:#40546b}
.footer nav a:hover{color:#087bc4}
.footer .copyright{border-top-color:#dfe6ed;color:#66798b}
@media(max-width:1100px){.store-section .store-inner{flex-direction:column;align-items:flex-start}.store-section .store-actions{width:100%}}
@media(max-width:600px){.store-section{padding:30px 0}.store-section .store-actions{flex-direction:column}.store-section .store-button{width:100%}}

/* 18. NEWS: two compact announcements (2026-10-22) */
.news-inner{align-items:start}
.news-content{min-width:0}
.news-item{display:grid;grid-template-columns:110px 84px minmax(0,1fr) 18px;gap:15px;align-items:center;min-height:52px;padding:10px 0;border-bottom:1px solid var(--line);font-size:15px}
.news-item:first-child{border-top:1px solid var(--line)}
.news-item-date{font-size:13px;color:#718397;font-weight:650;white-space:nowrap}
.news-item-category{font-size:11px;color:#0b6198;background:#edf5fa;padding:3px 6px;text-align:center;white-space:nowrap;font-weight:700}
.news-item-title{color:#253b52;font-weight:650;line-height:1.5}
.news-item-arrow{color:#0b6198;text-align:right;font-size:17px}
.news-item-link:hover .news-item-title{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.news-item-link:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
@media(max-width:760px){
 .news-inner{gap:12px}
 .news-item{grid-template-columns:82px minmax(0,1fr) 16px;column-gap:10px;row-gap:4px;padding:12px 0;font-size:14px}
 .news-item-date{font-size:12px}
 .news-item-category{grid-column:2;grid-row:1;justify-self:start;font-size:10px}
 .news-item-title{grid-column:1 / 3;grid-row:2}
 .news-item-arrow{grid-column:3;grid-row:1 / 3}
}


/* 19. Mobile-only fixes: banner readability and one-column products */
@media (max-width: 760px) {
  /* Put banner photography above the copy rather than behind it. */
  .hero { height: 610px; }
  .hero .slide { display: flex; align-items: flex-start; background-size: auto 270px !important; background-position: center top !important; background-repeat: no-repeat !important; }
  .hero .slide-brand { background-color: #edf5fb; }
  .hero .slide-gen4 { background-color: #06162f; }
  .hero .slide-sata { background-color: #eaf3f9; }
  .hero .slide .hero-content { width: 100%; margin-top: 270px; padding-top: 20px; padding-bottom: 72px; }
  .hero .slide .hero-shade, .hero .slide-sata::before { display: none; }
  .hero .slide h1, .hero .slide h2 { font-size: clamp(24px, 6.1vw, 30px); line-height: 1.45; letter-spacing: .01em; margin-bottom: 12px; }
  .hero .slide .hero-eyebrow { font-size: 11px; letter-spacing: .13em; margin-bottom: 10px; }
  .hero .slide .hero-desc { font-size: 14px; line-height: 1.7; max-width: none; }
  .hero .slide-brand .hero-content, .hero .slide-sata .hero-content { background: #edf5fb; }
  .hero .slide-sata .hero-content { background: #eaf3f9; }
  .hero .slide-gen4 .hero-content { background: #06162f; }
  .hero .product-grid, .product-grid { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .product-card { width: 100%; max-width: 460px; margin-inline: auto; }
  .product-photo { aspect-ratio: 3 / 4; }
  .product-body { padding: 18px 20px 22px; }
  .product-type { font-size: 13px; letter-spacing: .08em; }
  .product-body h3 { font-size: 25px; margin-bottom: 10px; }
  .product-body p { display: block; font-size: 15px; line-height: 1.7; }
}

/* 20. Mobile banner refinement: full-width art and safe text gutters */
@media (max-width: 760px) {
  .hero { height: 490px; }
  .hero .slide {
    background-size: 100% auto !important;
    background-position: center top !important;
    background-repeat: no-repeat !important;
  }
  .hero .slide .hero-content {
    box-sizing: border-box;
    width: 100%;
    max-width: none;
    margin: 0 !important;
    margin-top: clamp(130px, 34vw, 210px) !important;
    padding: 18px 22px 58px !important;
    position: relative;
    left: auto;
    right: auto;
  }
  .hero .slide h1, .hero .slide h2,
  .hero .slide .hero-desc, .hero .slide .hero-eyebrow {
    max-width: 100%;
    overflow-wrap: anywhere;
  }
  .hero .slide h1, .hero .slide h2 { font-size: clamp(23px, 6vw, 28px); }
  .hero .slide .hero-desc { font-size: 14px; }
  .hero .hero-controls { bottom: 16px; }
}

/* 21. Mobile-only banner: original artwork, proportionally scaled, no cropping */
@media (max-width: 760px) {
  .hero { height: 435px; }
  .hero .slide { display: flex; align-items: flex-start; background-position: center top !important; background-size: 100% auto !important; background-repeat: no-repeat !important; }
  .hero .slide-brand { background-image: url("../images/hero_background_mobile.png") !important; background-color: #edf5fb; }
  .hero .slide-gen4 { background-image: url("../images/hero_gen4_mobile.png") !important; background-color: #06162f; }
  .hero .slide-sata { background-image: url("../images/hero_sata_mobile.png") !important; background-color: #eaf3f9; }
  .hero .slide .hero-content {
    margin-top: calc(100vw * 0.35) !important;
    padding: 13px 20px 58px !important;
    background: transparent;
  }
  .hero .slide-brand .hero-content { background: #edf5fb; }
  .hero .slide-gen4 .hero-content { background: #06162f; }
  .hero .slide-sata .hero-content { background: #eaf3f9; }
  .hero .slide h1, .hero .slide h2 { font-size: clamp(20px, 5.3vw, 25px); line-height: 1.45; letter-spacing: 0; margin: 0 0 10px; overflow-wrap: normal; }
  .hero .slide .hero-eyebrow { font-size: 10px; letter-spacing: .09em; margin: 0 0 9px; }
  .hero .slide .hero-desc { font-size: 13px; line-height: 1.55; overflow-wrap: normal; }
  .hero .hero-controls { bottom: 12px; }
}
/* Mobile landscape: preserve horizontal composition and keep text off product */
@media (orientation: landscape) and (max-height: 550px) and (min-width: 761px) and (max-width: 1050px) {
  .hero { height: 330px; }
  .hero .slide { background-position: center center !important; background-size: cover !important; }
  .hero .slide .hero-content { width: calc(100% - 48px); padding: 18px 0 38px; }
  .hero .slide .hero-content > * { max-width: 47%; }
  .hero .slide h1, .hero .slide h2 { font-size: 29px; line-height: 1.35; letter-spacing: 0; margin-bottom: 10px; }
  .hero .slide .hero-eyebrow { font-size: 11px; letter-spacing: .08em; }
  .hero .slide .hero-desc { font-size: 13px; line-height: 1.55; }
  .hero .slide-sata::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg,rgba(237,245,252,.9),rgba(237,245,252,.6) 45%,transparent 66%); pointer-events:none; }
  .hero .slide-gen4::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg,rgba(4,16,38,.8),rgba(4,16,38,.35) 46%,transparent 67%); pointer-events:none; }
  .hero .hero-controls { bottom: 12px; }
}

/* 22. Portrait: overlay text on original art, no separate copy panel. */
@media (max-width:760px) and (orientation:portrait) {
  .hero { height: 355px !important; }
  .hero .slide { display:flex; align-items:center; background-size:auto 100% !important; background-position:68% center !important; background-repeat:no-repeat !important; }
  .hero .slide-brand { background-position:72% center !important; }
  .hero .slide-gen4 { background-position:63% center !important; }
  .hero .slide-sata { background-position:67% center !important; }
  .hero .slide .hero-content,
  .hero .slide-brand .hero-content,
  .hero .slide-gen4 .hero-content,
  .hero .slide-sata .hero-content {
    width:calc(100% - 32px) !important;
    max-width:none !important;
    margin:0 auto !important;
    padding:0 0 32px !important;
    background:transparent !important;
    position:relative;
    z-index:2;
  }
  .hero .slide .hero-content > * { max-width:74%; }
  .hero .slide h1,.hero .slide h2 { font-size:clamp(19px,5.4vw,24px) !important; line-height:1.4 !important; letter-spacing:0 !important; margin-bottom:12px !important; overflow-wrap:normal !important; }
  .hero .slide .hero-eyebrow { font-size:10px !important; letter-spacing:.045em !important; margin-bottom:12px !important; }
  .hero .slide .hero-desc { font-size:12px !important; line-height:1.55 !important; overflow-wrap:normal !important; }
  .hero .slide-brand::before,.hero .slide-sata::before,.hero .slide-gen4::before { content:''; display:block; position:absolute; inset:0; pointer-events:none; z-index:1; }
  .hero .slide-brand::before { background:linear-gradient(90deg,rgba(245,250,254,.95),rgba(245,250,254,.83) 44%,rgba(245,250,254,0) 84%); }
  .hero .slide-sata::before { background:linear-gradient(90deg,rgba(237,245,252,.94),rgba(237,245,252,.8) 45%,rgba(237,245,252,0) 86%); }
  .hero .slide-gen4::before { background:linear-gradient(90deg,rgba(3,13,34,.94),rgba(3,13,34,.8) 45%,rgba(3,13,34,0) 86%); }
  .hero .hero-controls { bottom:12px !important; }
}
/* Short landscape phones: avoid the stacked portrait layout. */
@media (orientation:landscape) and (max-height:550px) and (max-width:760px) {
  .hero { height:300px !important; }
  .hero .slide { align-items:center !important; background-size:cover !important; background-position:center !important; }
  .hero .slide .hero-content { margin:0 auto !important; padding:0 0 28px !important; background:transparent !important; width:calc(100% - 44px) !important; }
  .hero .slide .hero-content > * { max-width:47%; }
  .hero .slide h1,.hero .slide h2 { font-size:25px !important; }
  .hero .slide .hero-desc { font-size:12px !important; }
  .hero .slide-sata::before { content:''; display:block; position:absolute; inset:0; background:linear-gradient(90deg,rgba(237,245,252,.9),rgba(237,245,252,.6) 45%,transparent 70%); }
  .hero .slide-gen4::before { content:''; display:block; position:absolute; inset:0; background:linear-gradient(90deg,rgba(4,16,38,.85),rgba(4,16,38,.35) 45%,transparent 70%); }
}


/* V5: portrait phones ONLY. Preserve all desktop, tablet, and landscape rules. */
@media (orientation: portrait) and (max-width: 760px) {
  .hero { height: min(100vw, 450px) !important; min-height: 340px !important; }
  .hero .slide { align-items: flex-start !important; background-size: 100% 100% !important; background-position: center center !important; background-repeat: no-repeat !important; }
  .hero .slide-brand { background-image: url('../images/hero_brand_portrait.png') !important; }
  .hero .slide-gen4 { background-image: url('../images/hero_gen4_portrait.png') !important; }
  .hero .slide-sata { background-image: url('../images/hero_sata_portrait.png') !important; }
  .hero .slide .hero-content,
  .hero .slide-brand .hero-content,
  .hero .slide-gen4 .hero-content,
  .hero .slide-sata .hero-content {
    box-sizing: border-box !important;
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 18px 18px 50px !important;
    background: transparent !important;
    position: relative !important;
    z-index: 2 !important;
  }
  .hero .slide .hero-content > * { max-width: 100% !important; }
  .hero .slide .hero-eyebrow { font-size: 10px !important; letter-spacing: .055em !important; margin-bottom: 12px !important; }
  .hero .slide h1,.hero .slide h2 { font-size: clamp(19px,5.3vw,23px) !important; line-height: 1.34 !important; letter-spacing: 0 !important; margin-bottom: 12px !important; overflow-wrap: normal !important; }
  .hero .slide .hero-desc { font-size: 12px !important; line-height: 1.5 !important; max-width: 94% !important; overflow-wrap: normal !important; }
  .hero .slide-brand::before,.hero .slide-gen4::before,.hero .slide-sata::before { display:none !important; }
  .hero .slide-brand .hero-content { color: #173653 !important; }
  .hero .slide-sata .hero-content { color: #173653 !important; }
  .hero .slide-gen4 .hero-content { color: #fff !important; }
  .hero .hero-controls { bottom: 10px !important; z-index: 4 !important; }
}

/* V5.1: Only shorten portrait-phone hero; all other styles remain unchanged. */
@media (orientation: portrait) and (max-width: 760px) {
  .hero { height: clamp(300px, 78vw, 350px) !important; min-height: 300px !important; }
}