/* ===== 全局基础：现代卡片杂志风 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
    background: #FFFFFF;
    color: #2D2418;
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

.icap { width: 1200px; max-width: 96%; margin: 0 auto; }

/* 通用按钮：橙色实心 */
.icdb {
    display: inline-flex; align-items: center; gap: 6px;
    background: #FF6600;
    color: #FFFFFF;
    padding: 12px 26px; border-radius: 6px;
    font-weight: 700; font-size: 15px;
    border: 1px solid #FF6600;
    transition: all 0.25s ease;
}
.icdb:hover { background: #E85D04; border-color: #E85D04; }
.icdb i { font-size: 18px; }
.icdb1 { background: #2D2418; border-color: #2D2418; }
.icdb1:hover { background: #4A3A2A; border-color: #4A3A2A; }
.iclnk {
    display: inline-flex; align-items: center; gap: 6px;
    background: #FFFFFF; color: #2D2418;
    padding: 12px 26px; border-radius: 6px;
    font-weight: 700; font-size: 15px;
    border: 1px solid #2D2418;
    transition: all 0.25s ease;
}
.iclnk:hover { background: #2D2418; color: #FFFFFF; }

/* ===== 头部 ===== */
.ichd {
    position: sticky; top: 0; z-index: 100;
    background: #FFFFFF;
    border-bottom: 2px solid #2D2418;
}
.ichbox {
    display: flex; align-items: center; justify-content: space-between;
    height: 70px; gap: 24px;
}
.iclg {
    display: flex; align-items: center; gap: 10px;
    color: #2D2418;
}
.iclg img {
    width: 42px; height: 42px; border-radius: 8px;
    border: 1px solid #2D2418;
    object-fit: cover;
    background: #FF6600;
}
.iclg span {
    font-size: 20px; font-weight: 800;
    display: flex; align-items: baseline; gap: 8px;
    letter-spacing: 1px;
}
.iclg em {
    font-style: normal; font-size: 11px;
    color: #FFFFFF; font-weight: 700;
    padding: 3px 10px; background: #FF6600;
    border-radius: 4px; letter-spacing: 1px;
}
.icnv { display: flex; gap: 4px; flex: 1; justify-content: center; }
.icnv a {
    padding: 8px 14px; font-size: 15px;
    color: #5C4A38; border-radius: 4px;
    transition: all 0.25s ease;
    position: relative; font-weight: 600;
}
.icnv a::after {
    content: ""; position: absolute; left: 50%; bottom: 0;
    width: 0; height: 2px; background: #FF6600;
    transition: all 0.25s ease; transform: translateX(-50%);
}
.icnv a:hover { color: #FF6600; }
.icnv a:hover::after { width: 70%; }
.icrt { display: flex; align-items: center; gap: 12px; }
.icmenu {
    display: none; color: #2D2418; font-size: 26px;
    padding: 4px;
}
.icmnv {
    display: none;
    flex-direction: column; gap: 4px;
    padding: 12px 20px 20px;
    background: #FFFFFF;
    border-top: 2px solid #FF6600;
}
.icmnv a {
    color: #5C4A38; padding: 10px 12px;
    border-radius: 4px; font-size: 15px;
    border-bottom: 1px dashed #FFD9B3;
}
.icmnv a:hover { color: #FF6600; }
.icmnv .icdb { color: #FFFFFF; justify-content: center; margin-top: 8px; border-radius: 6px; }

/* ===== 主视觉：紧凑橙色色块 ===== */
.icman {
    background: #FFF8F0;
    position: relative; overflow: hidden;
    padding: 56px 0 64px;
    border-bottom: 2px solid #FF6600;
}
/* 装饰色块 */
.icman::before {
    content: ""; position: absolute; top: 0; right: 0;
    width: 240px; height: 240px;
    background: #FF6600;
    border-radius: 0 0 0 100%;
    opacity: 0.1;
}
.icman::after {
    content: ""; position: absolute; bottom: 0; left: 0;
    width: 180px; height: 180px;
    background: #FF6600;
    border-radius: 0 100% 0 0;
    opacity: 0.08;
}
.icbox {
    display: flex; align-items: center; gap: 40px;
    position: relative; z-index: 1;
}
.icat { flex: 1; }
.icseal {
    display: inline-flex; align-items: center; gap: 8px;
    color: #FFFFFF; font-size: 12px;
    padding: 6px 14px;
    background: #FF6600;
    border: 1px solid #FF6600;
    border-radius: 4px;
    margin-bottom: 18px;
    letter-spacing: 2px;
    font-weight: 700;
}
.icseal::before {
    content: "NO.18";
    color: #FF6600;
    background: #FFFFFF;
    padding: 2px 8px; margin-right: 4px;
    border-radius: 2px;
    font-size: 11px;
}
.icat h1 {
    font-size: 68px; color: #2D2418;
    letter-spacing: 3px; line-height: 1.1;
    margin-bottom: 16px; font-weight: 800;
    position: relative; display: block;
}
.icat h1::after {
    content: ""; display: block;
    width: 80px; height: 4px;
    background: #FF6600;
    margin-top: 14px;
}
.ic-sub {
    font-size: 18px; color: #2D2418;
    letter-spacing: 2px; margin-bottom: 20px;
    font-weight: 700;
}
.ic-sub em {
    font-style: normal; color: #FF6600;
    background: #FFFFFF;
    padding: 2px 10px; margin-left: 8px;
    border: 1px solid #FF6600;
    border-radius: 4px; font-size: 13px;
}
.ic-desc {
    color: #5C4A38; font-size: 15px;
    max-width: 500px; margin-bottom: 28px;
    line-height: 1.9;
    padding: 16px 18px;
    background: #FFFFFF;
    border: 1px solid #FF6600;
    border-radius: 6px;
    border-left: 4px solid #FF6600;
}
.icbtn { display: flex; gap: 14px; margin-bottom: 32px; flex-wrap: wrap; }
.icbtn .icdb, .icbtn .iclnk { padding: 12px 26px; min-width: 160px; justify-content: center; }
.icstat {
    display: flex; gap: 0;
    background: #2D2418;
    border-radius: 6px;
    overflow: hidden;
    width: fit-content;
}
.icstat li {
    display: flex; flex-direction: column;
    padding: 14px 24px;
    border-right: 1px solid rgba(255,102,0,0.3);
}
.icstat li:last-child { border-right: none; }
.icstat b {
    font-size: 24px; color: #FF6600;
    font-weight: 800; letter-spacing: 1px;
    line-height: 1;
}
.icstat span { font-size: 12px; color: #FFFFFF; margin-top: 6px; letter-spacing: 1px; }

/* 手机 mockup */
.icmo {
    flex: 0 0 360px; position: relative;
    height: 480px; display: flex; justify-content: center;
}
.icmfm {
    position: absolute; top: 0; left: 50%;
    transform: translateX(-50%);
    width: 230px; height: 460px;
    border: 2px solid #2D2418;
    border-radius: 16px;
    background: #FFFFFF;
    padding: 8px; overflow: hidden;
    z-index: 1;
}
.icmwall {
    display: block; width: 100%; height: 10px;
    background: #FF6600; border-radius: 2px;
    margin-bottom: 6px;
}
.icmfm img {
    width: 100%; height: calc(100% - 16px);
    object-fit: cover; border-radius: 10px;
}
.icmtwo {
    width: 190px; height: 380px;
    top: 60px; left: 20%;
    transform: rotate(-5deg);
    z-index: 0;
    border-color: #FF6600;
}

/* ===== 通用 section ===== */
.icse { padding: 56px 0; }
.icbe { background: #FFF8F0; }
.ictt {
    margin-bottom: 36px;
    display: flex; align-items: center; gap: 14px;
    position: relative;
}
.ictt::before {
    content: ""; position: absolute; bottom: -8px; left: 0;
    width: 40px; height: 2px;
    background: #FF6600;
}
.icver {
    font-size: 12px; color: #FF6600;
    letter-spacing: 3px;
    font-weight: 700;
    padding: 4px 10px;
    border: 1px solid #FF6600;
    border-radius: 4px;
    background: #FFFFFF;
}
.icba {
    width: 6px; height: 28px;
    background: #FF6600;
    border-radius: 2px;
}
.ictx {
    font-size: 28px; color: #2D2418;
    letter-spacing: 3px; font-weight: 800;
    line-height: 1;
}
.ictt::after {
    content: ""; flex: 1; height: 1px;
    background: #FFD9B3;
}

/* ===== 产品展示 ===== */
.iccq {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.icci {
    background: #FFFFFF; border: 1px solid #2D2418;
    border-radius: 8px; overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}
.icci::before {
    content: ""; position: absolute; top: 0; left: 0; right: 0;
    height: 3px;
    background: #FF6600;
    z-index: 2;
}
.icci:hover { border-color: #FF6600; transform: translateY(-3px); }
.icciimg { width: 100%; height: 220px; overflow: hidden; }
.icciimg img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.icci:hover .icciimg img { transform: scale(1.04); }
.iccic {
    text-align: center; padding: 12px;
    color: #2D2418; font-size: 15px;
    font-weight: 700; letter-spacing: 1px;
    border-top: 1px solid #FFD9B3;
    background: #FFFFFF;
    display: flex; align-items: center; justify-content: center; gap: 6px;
}
.iccic i { font-size: 18px; color: #FF6600; }

/* ===== 优势亮点 ===== */
.icys {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.icysc {
    background: #FFFFFF; border: 1px solid #FFD9B3;
    border-radius: 8px; padding: 24px 22px;
    text-align: center; transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.icysc::before {
    content: ""; position: absolute; top: 0; left: 0;
    width: 100%; height: 3px;
    background: #FF6600;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}
.icysc:hover { border-color: #FF6600; }
.icysc:hover::before { transform: scaleX(1); }
.icyn {
    position: absolute; top: 12px; right: 16px;
    font-size: 28px; color: #FFD9B3;
    font-weight: 800; line-height: 1;
    z-index: 2; transition: all 0.3s ease;
    letter-spacing: 1px;
}
.icysc:hover .icyn { color: #FF6600; }
.icyi {
    width: 52px; height: 52px; border-radius: 8px;
    background: #FFF8F0; color: #FF6600;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 24px; margin: 8px auto 14px;
    border: 1px solid #FF6600;
    transition: all 0.3s ease;
}
.icysc:hover .icyi { background: #FF6600; color: #FFFFFF; }
.icyt {
    font-size: 17px; font-weight: 700;
    color: #2D2418; margin-bottom: 8px;
    letter-spacing: 1px;
}
.icyd {
    font-size: 13px; color: #5C4A38;
    line-height: 1.8;
}

/* ===== 下载中心 ===== */
.icdl {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.icdli {
    background: #FFFFFF; border: 1px solid #2D2418;
    border-radius: 8px; padding: 24px 20px;
    text-align: center; transition: all 0.3s ease;
    position: relative;
}
.icdli::before {
    content: ""; position: absolute; top: 0; left: 0;
    width: 40px; height: 3px;
    background: #FF6600;
}
.icdli:hover { border-color: #FF6600; background: #FFF8F0; }
.icdlii {
    display: inline-flex; align-items: center; justify-content: center;
    width: 48px; height: 48px; border-radius: 8px;
    background: #FF6600;
    color: #FFFFFF; font-size: 22px;
    margin-bottom: 14px;
}
.icdlt {
    font-size: 17px; font-weight: 700;
    color: #2D2418; margin-bottom: 6px;
    letter-spacing: 1px;
}
.icdlb {
    font-size: 12px; color: #5C4A38;
    margin-bottom: 16px;
}
.icdlr {
    display: inline-flex; align-items: center; gap: 6px;
    background: #2D2418;
    color: #FFFFFF;
    padding: 8px 20px; border-radius: 4px;
    font-weight: 700; font-size: 13px;
    border: 1px solid #2D2418;
    transition: all 0.3s ease;
}
.icdlr:hover { background: #FF6600; border-color: #FF6600; }
.icdlr i { font-size: 14px; }

/* ===== 使用流程 ===== */
.iclc {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 20px; position: relative;
}
.iclc::before {
    content: ""; position: absolute; top: 28px; left: 12%;
    right: 12%; height: 2px;
    background: #FFD9B3;
}
.iclci {
    background: #FFFFFF; border: 1px solid #FFD9B3;
    border-radius: 8px; padding: 24px 20px;
    text-align: center; transition: all 0.3s ease;
    position: relative;
}
.iclci:hover { border-color: #FF6600; background: #FFFFFF; }
.iclcn {
    position: absolute; top: -10px; left: 50%;
    transform: translateX(-50%);
    background: #FF6600;
    color: #FFFFFF; padding: 3px 12px;
    border-radius: 4px; font-size: 12px;
    font-weight: 700; letter-spacing: 1px;
}
.iclci2 {
    display: inline-flex; align-items: center; justify-content: center;
    width: 48px; height: 48px; border-radius: 8px;
    background: #FFF8F0; color: #FF6600;
    font-size: 22px; margin: 10px auto 14px;
    border: 1px solid #FF6600;
}
.iclct {
    font-size: 17px; font-weight: 700;
    color: #2D2418; margin-bottom: 8px;
    letter-spacing: 1px;
}
.iclcd {
    font-size: 13px; color: #5C4A38;
    line-height: 1.8;
}

/* ===== 常见问题 ===== */
.icwt { max-width: 900px; margin: 0 auto; }
.icwti {
    background: #FFFFFF; border: 1px solid #FFD9B3;
    border-left: 4px solid #FFD9B3;
    border-radius: 4px; margin-bottom: 10px;
    overflow: hidden; transition: all 0.25s ease;
}
.icwti:hover { border-color: #FF6600; border-left-color: #FF6600; }
.icwh {
    padding: 16px 20px;
    display: flex; align-items: center; gap: 12px;
    cursor: pointer; font-size: 15px; font-weight: 700;
    color: #2D2418; transition: all 0.25s ease;
}
.icwh span {
    background: #FF6600;
    color: #FFFFFF; padding: 3px 10px;
    border-radius: 3px; font-size: 11px;
    font-weight: 700; letter-spacing: 1px;
    min-width: 28px; text-align: center;
}
.icwh i { margin-left: auto; transition: transform 0.25s ease; color: #FF6600; }
.icwti.active .icwh i { transform: rotate(180deg); }
.icwti.active { border-left-color: #FF6600; }
.icwb {
    max-height: 0; overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    padding: 0 20px;
    color: #5C4A38; font-size: 14px; line-height: 1.8;
}
.icwti.active .icwb { max-height: 200px; padding: 0 20px 16px; }

/* ===== 产品资讯 ===== */
.iczx {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.iczxi {
    display: flex; background: #FFFFFF;
    border: 1px solid #FFD9B3;
    border-radius: 8px; overflow: hidden;
    transition: all 0.3s ease;
}
.iczxi:hover { border-color: #FF6600; }
.iczximg { width: 180px; flex-shrink: 0; overflow: hidden; }
.iczximg img { width: 100%; height: 100%; object-fit: cover; }
.iczxc { padding: 18px; flex: 1; }
.iczxtag {
    display: inline-block; font-size: 11px;
    color: #FFFFFF; padding: 3px 10px;
    background: #FF6600;
    border-radius: 3px; margin-bottom: 8px;
    font-weight: 700; letter-spacing: 1px;
}
.iczxt {
    font-size: 16px; font-weight: 700;
    color: #2D2418; margin-bottom: 8px;
    line-height: 1.5;
}
.iczxm {
    font-size: 13px; color: #5C4A38;
    line-height: 1.7; margin-bottom: 10px;
}
.iczxd { font-size: 12px; color: #FF6600; font-weight: 700; }

/* ===== 用户评价 ===== */
.icpj {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.icpji {
    background: #FFFFFF; border: 1px solid #FFD9B3;
    border-radius: 8px; padding: 22px;
    transition: all 0.3s ease;
    position: relative;
}
.icpji::before {
    content: """; position: absolute; top: 8px; right: 16px;
    font-size: 50px; color: #FFD9B3;
    font-family: serif; line-height: 1;
}
.icpji:hover { border-color: #FF6600; background: #FFF8F0; }
.icpjhd {
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 10px;
}
.icpjhd i {
    width: 38px; height: 38px; border-radius: 8px;
    background: #FF6600;
    color: #FFFFFF; display: inline-flex;
    align-items: center; justify-content: center;
    font-size: 18px;
}
.icpjhd b { font-size: 14px; color: #2D2418; display: block; font-weight: 700; }
.icpjhd span { font-size: 11px; color: #5C4A38; }
.icpjs {
    color: #FF6600; font-size: 15px;
    letter-spacing: 2px; margin-bottom: 10px;
}
.icpjb {
    font-size: 13px; color: #5C4A38;
    line-height: 1.8;
}

/* ===== 页脚 ===== */
.icft {
    background: #2D2418;
    color: #FFFFFF; padding: 50px 0 0;
    border-top: 3px solid #FF6600;
}
.icftbox {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 36px; padding-bottom: 30px;
}
.icftc .iclg { color: #FFFFFF; }
.icftc .iclg img { border-color: #FF6600; background: #FF6600; }
.icftc .iclg span { color: #FFFFFF; }
.icftc .iclg em { background: #FF6600; border-color: #FF6600; color: #FFFFFF; }
.icftd {
    font-size: 13px; color: rgba(255,255,255,0.8);
    margin-top: 14px; line-height: 1.8;
    padding: 14px 16px;
    border: 1px solid rgba(255,102,0,0.3);
    border-radius: 6px;
}
.icftt {
    font-size: 15px; font-weight: 700;
    margin-bottom: 14px; letter-spacing: 2px;
    color: #FF6600;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255,102,0,0.3);
    display: inline-block;
}
.icftc a {
    display: block; padding: 5px 0;
    color: rgba(255,255,255,0.8); font-size: 13px;
    transition: color 0.25s ease;
}
.icftc a:hover { color: #FF6600; }
.icftp {
    font-size: 12px; color: rgba(255,255,255,0.6);
    margin-top: 10px; line-height: 1.7;
}
.icftcpy {
    text-align: center; padding: 16px 0;
    border-top: 1px solid rgba(255,102,0,0.2);
    font-size: 12px; color: rgba(255,255,255,0.7);
    letter-spacing: 1px;
}

/* 返回顶部 */
.ictop {
    position: fixed; right: 20px; bottom: 20px;
    width: 44px; height: 44px; border-radius: 6px;
    background: #FF6600;
    color: #FFFFFF; font-size: 20px;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden;
    transition: all 0.25s ease;
    border: 1px solid #2D2418;
    z-index: 99;
}
.ictop.show { opacity: 1; visibility: visible; }
.ictop:hover { background: #E85D04; }

/* ===== 响应式：767px ===== */
@media (max-width: 767px) {
    .ichbox { height: 58px; gap: 10px; }
    .icnv, .icrt { display: none; }
    .icmenu { display: block; }
    .iclg span { font-size: 17px; }
    .iclg em { font-size: 10px; padding: 2px 6px; }
    .iclg img { width: 36px; height: 36px; }

    .icman { padding: 36px 0 44px; }
    .icbox { flex-direction: column; gap: 28px; }
    .icat { width: 100%; text-align: center; }
    .icat h1 { font-size: 44px; letter-spacing: 2px; }
    .icat h1::after { margin: 12px auto 0; }
    .ic-sub { font-size: 15px; letter-spacing: 1px; }
    .ic-desc { margin: 0 auto 20px; padding: 14px 16px; }
    .icbtn { justify-content: center; flex-wrap: wrap; }
    .icstat { justify-content: center; flex-wrap: wrap; width: 100%; }
    .icstat li { padding: 12px 18px; flex: 1; min-width: 100px; }
    .icstat b { font-size: 20px; }
    .icmo { flex: 0 0 auto; height: 340px; width: 100%; }
    .icmfm { width: 180px; height: 360px; }
    .icmtwo { width: 150px; height: 300px; top: 50px; }

    .icse { padding: 36px 0; }
    .ictt { margin-bottom: 24px; gap: 10px; flex-wrap: wrap; align-items: center; }
    .ictx { font-size: 22px; letter-spacing: 2px; }
    .icver { font-size: 11px; }
    .icba { height: 24px; }

    .iccq { grid-template-columns: 1fr; gap: 18px; }
    .icciimg { height: 200px; }

    .icys { grid-template-columns: 1fr; gap: 18px; }
    .icysc { padding: 22px 18px; }

    .icdl { grid-template-columns: 1fr; gap: 18px; }
    .icdli { padding: 22px 18px; }

    .iclc { grid-template-columns: 1fr; gap: 26px; }
    .iclc::before { display: none; }

    .iczx { grid-template-columns: 1fr; gap: 18px; }
    .iczxi { flex-direction: column; }
    .iczximg { width: 100%; height: 180px; }

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

    .icftbox { grid-template-columns: 1fr; gap: 24px; }
    .ictop { right: 12px; bottom: 12px; width: 40px; height: 40px; }
}