/* EhViewer 下载页 — Material 卡片风：浅灰白 #f4f7f6 + 青绿 #00897b + 深青 #0b3d36 + 琥珀 #ffb300 */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: #f4f7f6;
    color: #0b3d36;
    line-height: 1.7;
}

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

ul {
    list-style: none;
}

img {
    display: block;
    max-width: 100%;
}

button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
}

/* ---------- 头部 ---------- */

.ezhhd {
    position: sticky;
    top: 0;
    z-index: 60;
    background: #ffffff;
    border-bottom: 1px solid #e2ebe8;
}

.ezhhdn {
    width: 1200px;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 16px;
    height: 68px;
    display: flex;
    align-items: center;
    gap: 28px;
}

.ezhlg {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.ezhlg img {
    width: 38px;
    height: 38px;
    border-radius: 10px;
}

.ezhlgt {
    font-size: 20px;
    font-weight: 800;
    color: #00695c;
    letter-spacing: 0.4px;
}

.ezhnav {
    display: flex;
    align-items: center;
    gap: 24px;
    margin: 0 auto;
}

.ezhnav a {
    font-size: 14.5px;
    color: #37504a;
    position: relative;
    padding: 6px 0;
}

.ezhnav a:hover {
    color: #00897b;
}

.ezhnav a:hover::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    border-radius: 2px;
    background: #00897b;
}

.ezhhdz {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    margin-left: auto;
}

.ezhbtn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 22px;
    border-radius: 8px;
    background: #00897b;
    color: #ffffff;
    font-size: 14.5px;
    font-weight: 700;
    box-shadow: 0 6px 14px rgba(0, 137, 123, 0.28);
    transition: background 0.2s, transform 0.2s;
}

.ezhbtn:hover {
    background: #00796b;
    transform: translateY(-1px);
}

.ezhmb {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: 1px solid #cfe0dc;
    color: #00695c;
    font-size: 20px;
}

/* ---------- 移动抽屉 ---------- */

.ezhdr {
    position: fixed;
    top: 0;
    right: -300px;
    z-index: 80;
    width: 280px;
    height: 100vh;
    background: #ffffff;
    box-shadow: -12px 0 34px rgba(11, 61, 54, 0.16);
    transition: right 0.28s ease;
    display: flex;
    flex-direction: column;
    padding: 18px 20px 24px;
}

.ezhdr.ezhdre {
    right: 0;
}

.ezhdrt {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 15px;
    font-weight: 800;
    color: #00695c;
    padding-bottom: 14px;
    border-bottom: 1px solid #e2ebe8;
}

.ezhdrx {
    font-size: 20px;
    color: #55716b;
}

.ezhdrn {
    display: flex;
    flex-direction: column;
    padding: 10px 0;
    flex: 1;
}

.ezhdrn a {
    padding: 13px 6px;
    font-size: 15px;
    color: #2c443f;
    border-bottom: 1px dashed #e6efec;
}

.ezhdrb {
    display: flex;
    justify-content: center;
    padding: 13px;
    border-radius: 10px;
    background: #00897b;
    color: #ffffff;
    font-weight: 700;
    font-size: 15px;
}

/* ---------- hero ---------- */

.ezhhr {
    background:
        radial-gradient(circle at 88% 12%, rgba(0, 137, 123, 0.10), rgba(0, 137, 123, 0) 42%),
        radial-gradient(circle at 8% 88%, rgba(255, 179, 0, 0.08), rgba(255, 179, 0, 0) 38%),
        linear-gradient(180deg, #f7faf9, #f1f6f4);
    padding: 72px 0 84px;
}

.ezhhrn {
    width: 1200px;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    align-items: center;
    gap: 48px;
}

.ezhhl {
    flex: 1.05;
    min-width: 0;
}

.ezhqb {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 15px;
    border-radius: 999px;
    background: #ffffff;
    border: 1px solid #cfe4df;
    color: #00695c;
    font-size: 13.5px;
    font-weight: 700;
}

.ezhqb i {
    color: #00897b;
}

.ezhht {
    margin-top: 20px;
    font-size: 50px;
    line-height: 1.24;
    font-weight: 800;
    letter-spacing: 1px;
    color: #0b3d36;
}

.ezhhg {
    background: linear-gradient(100deg, #00897b, #26a69a);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.ezhms {
    margin-top: 18px;
    font-size: 15.5px;
    color: #4b645e;
    max-width: 520px;
}

.ezhhb {
    margin-top: 30px;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.ezhhp {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 15px 34px;
    border-radius: 10px;
    background: linear-gradient(100deg, #00897b, #26a69a);
    color: #ffffff;
    font-size: 16px;
    font-weight: 700;
    box-shadow: 0 12px 26px rgba(0, 137, 123, 0.32);
    transition: transform 0.2s, box-shadow 0.2s;
}

.ezhhp:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 32px rgba(0, 137, 123, 0.4);
}

.ezhhq {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 15px 26px;
    border-radius: 10px;
    border: 1.5px solid #b9d6d0;
    background: #ffffff;
    color: #17635a;
    font-size: 15px;
    font-weight: 700;
    transition: border-color 0.2s, color 0.2s;
}

.ezhhq:hover {
    border-color: #00897b;
    color: #00897b;
}

.ezhhu {
    margin-top: 30px;
    display: flex;
    gap: 26px;
}

.ezhhu li {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 13.5px;
    color: #4b645e;
    font-weight: 600;
}

.ezhhu i {
    color: #00897b;
    font-size: 16px;
}

/* hero 右侧：抽屉半开 + 图库窗口 */

.ezhhrv {
    position: relative;
    flex: 0.95;
    min-width: 0;
    height: 470px;
}

.ezhhrv::before {
    content: "";
    position: absolute;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 137, 123, 0.16), rgba(0, 137, 123, 0) 66%);
}

.ezhdw {
    position: absolute;
    left: 0;
    top: 46px;
    width: 172px;
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid #dfeae7;
    box-shadow: 0 22px 44px rgba(11, 61, 54, 0.14);
    padding-bottom: 12px;
    z-index: 2;
}

.ezhdwt {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 14px 14px 12px;
    background: linear-gradient(120deg, #00796b, #26a69a);
    border-radius: 15px 15px 0 0;
}

.ezhdwa {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.ezhdwa img {
    width: 22px;
    height: 22px;
}

.ezhdwn {
    color: #ffffff;
    font-size: 13.5px;
    font-weight: 800;
}

.ezhdwl {
    padding: 8px 8px 0;
}

.ezhdwl li {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 7.5px 9px;
    border-radius: 8px;
    font-size: 12.5px;
    color: #42605a;
    font-weight: 600;
}

.ezhdwl li i {
    font-size: 14px;
    color: #6d8a84;
}

.ezhdwl li.ezhdlc {
    background: #d9f0ec;
    color: #00695c;
}

.ezhdwl li.ezhdlc i {
    color: #00897b;
}

.ezhwin {
    position: absolute;
    left: 118px;
    top: 10px;
    width: 268px;
    background: #ffffff;
    border-radius: 18px;
    border: 1px solid #dfeae7;
    box-shadow: 0 30px 60px rgba(11, 61, 54, 0.20);
    overflow: visible;
    z-index: 3;
}

.ezhwit {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: linear-gradient(100deg, #00796b, #00897b);
    border-radius: 17px 17px 0 0;
    color: #ffffff;
    font-size: 14.5px;
    font-weight: 800;
}

.ezhwit i {
    font-size: 17px;
    opacity: 0.9;
}

.ezhwit span {
    flex: 1;
}

.ezhwip {
    padding: 0;
    border-radius: 0 0 17px 17px;
    overflow: hidden;
    background: #eceff1;
}

.ezhwip img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    object-position: top;
}

.ezhfab {
    position: absolute;
    right: 16px;
    bottom: 20px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #00897b;
    color: #ffffff;
    font-size: 24px;
    box-shadow: 0 10px 22px rgba(0, 121, 107, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
}

.ezhqpo {
    position: absolute;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: 999px;
    font-size: 12.8px;
    font-weight: 800;
    box-shadow: 0 12px 26px rgba(11, 61, 54, 0.18);
    z-index: 4;
}

.ezhqpa {
    top: 30px;
    right: -6px;
    background: #ffffff;
    border: 1px solid #dfeae7;
    color: #00695c;
}

.ezhqpa i {
    color: #ffb300;
}

.ezhqpb {
    bottom: 26px;
    left: -10px;
    background: #00897b;
    color: #ffffff;
}

.ezhqpb i {
    color: #b2dfdb;
}

/* ---------- 通用区块 ---------- */

.ezhsc {
    padding: 78px 0;
}

.ezhsgy {
    background: #eef4f2;
}

.ezhct {
    display: flex;
    justify-content: center;
}

.ezhst {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 30px;
    font-weight: 800;
    color: #0b3d36;
    letter-spacing: 1px;
}

.ezhstc {
    width: 42px;
    height: 42px;
    border-radius: 11px;
    background: linear-gradient(120deg, #00796b, #26a69a);
    color: #ffffff;
    font-size: 21px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 18px rgba(0, 137, 123, 0.3);
}

.ezhstl {
    position: absolute;
    width: 0;
    height: 0;
}

.ezhst {
    position: relative;
}

.ezhst::after {
    content: "";
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -14px;
    width: 56px;
    height: 4px;
    border-radius: 4px;
    background: linear-gradient(90deg, #00897b, #ffb300);
}

.ezhct {
    margin-bottom: 46px;
}

.ezhcw {
    width: 1200px;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 16px;
}

/* ---------- 产品展示 ---------- */

.ezhsc .ezhcw {
    display: grid;
    gap: 22px;
}

/* 产品展示四列 */
#cpzm .ezhcw {
    grid-template-columns: repeat(4, 1fr);
}

.ezhpc {
    background: #ffffff;
    border: 1px solid #e0eae7;
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.22s, box-shadow 0.22s;
}

.ezhpc:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 36px rgba(11, 61, 54, 0.12);
}

.ezhpim {
    display: block;
    background: #eceff1;
}

.ezhpim img {
    width: 100%;
    height: 330px;
    object-fit: cover;
    object-position: top;
}

.ezhpn {
    padding: 14px 16px;
    font-size: 14.5px;
    font-weight: 700;
    color: #17635a;
    border-top: 3px solid #00897b;
}

/* ---------- 优势亮点 ---------- */

#yshd .ezhcw {
    grid-template-columns: repeat(3, 1fr);
}

.ezhad {
    position: relative;
    display: flex;
    gap: 16px;
    background: #ffffff;
    border: 1px solid #e0eae7;
    border-left: 4px solid #00897b;
    border-radius: 14px;
    padding: 24px 22px;
    overflow: hidden;
    transition: transform 0.22s, box-shadow 0.22s;
}

.ezhad:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 32px rgba(11, 61, 54, 0.12);
}

.ezhadc {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: #d9f0ec;
    color: #00897b;
    font-size: 23px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ezhadw {
    min-width: 0;
}

.ezhadt {
    font-size: 17px;
    font-weight: 800;
    color: #0b3d36;
}

.ezhadd {
    margin-top: 7px;
    font-size: 13.8px;
    color: #54716b;
}

.ezhadn {
    position: absolute;
    right: 14px;
    bottom: 4px;
    font-size: 42px;
    font-weight: 800;
    color: rgba(0, 137, 123, 0.10);
    line-height: 1;
}

/* ---------- 下载中心 ---------- */

#xzzx .ezhcw {
    grid-template-columns: repeat(3, 1fr);
}

.ezhdl {
    position: relative;
    background: #ffffff;
    border: 1px solid #e0eae7;
    border-radius: 16px;
    padding: 24px 22px 22px;
    transition: transform 0.22s, box-shadow 0.22s;
}

.ezhdl:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 34px rgba(11, 61, 54, 0.13);
}

.ezhdlt {
    display: inline-flex;
    padding: 4px 12px;
    border-radius: 6px;
    background: #d9f0ec;
    color: #00695c;
    font-size: 12.5px;
    font-weight: 800;
    letter-spacing: 0.5px;
}

.ezhdln {
    margin-top: 12px;
    font-size: 17.5px;
    font-weight: 800;
    color: #0b3d36;
}

.ezhdlm {
    margin-top: 5px;
    font-size: 13px;
    color: #6d8a84;
}

.ezhdlb {
    position: absolute;
    right: 20px;
    bottom: 20px;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: #00897b;
    color: #ffffff;
    font-size: 21px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 18px rgba(0, 137, 123, 0.32);
    transition: background 0.2s, transform 0.2s;
}

.ezhdlb:hover {
    background: #ffb300;
    transform: translateY(-2px);
}

/* ---------- 使用流程 ---------- */

#sylc .ezhcw {
    grid-template-columns: 1fr;
}

.ezhlcw {
    display: flex;
    align-items: stretch;
    gap: 10px;
}

.ezhlc {
    flex: 1;
    background: #ffffff;
    border: 1px solid #e0eae7;
    border-radius: 16px;
    padding: 26px 22px;
    text-align: center;
}

.ezhlcn {
    display: inline-flex;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(120deg, #00796b, #26a69a);
    color: #ffffff;
    font-size: 19px;
    font-weight: 800;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 16px rgba(0, 137, 123, 0.3);
}

.ezhlct {
    margin-top: 14px;
    font-size: 16.5px;
    font-weight: 800;
    color: #0b3d36;
}

.ezhlcd {
    margin-top: 8px;
    font-size: 13.5px;
    color: #54716b;
}

.ezhlca {
    align-self: center;
    color: #8fb8b1;
    font-size: 20px;
    flex-shrink: 0;
}

/* ---------- 常见问题 ---------- */

#cjwt .ezhcw {
    grid-template-columns: 1fr;
}

.ezhlst {
    max-width: 900px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    gap: 14px;
    justify-self: center;
}

.ezhfq {
    background: #ffffff;
    border: 1px solid #e0eae7;
    border-radius: 12px;
    overflow: hidden;
}

.ezhfqb {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 17px 20px;
    text-align: left;
    font-size: 15.5px;
    font-weight: 700;
    color: #17635a;
}

.ezhfqz {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: #ffb300;
    color: #5d4200;
    font-size: 13px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ezhfqb i {
    margin-left: auto;
    font-size: 18px;
    color: #6d8a84;
    transition: transform 0.25s;
}

.ezhfqc {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.ezhfqc p {
    padding: 0 20px 18px 62px;
    font-size: 14px;
    color: #54716b;
}

.ezhfq.ezhfqo .ezhfqc {
    max-height: 220px;
}

.ezhfq.ezhfqo .ezhfqb i {
    transform: rotate(45deg);
}

/* ---------- 产品资讯 ---------- */

#cpzx .ezhcw {
    grid-template-columns: repeat(2, 1fr);
}

.ezhzw {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.ezhzp {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid #e0eae7;
    border-radius: 14px;
    padding: 22px 24px;
    transition: transform 0.22s, box-shadow 0.22s;
}

.ezhzp:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 28px rgba(11, 61, 54, 0.11);
}

.ezhpzg {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 6px;
    background: #d9f0ec;
    color: #00695c;
    font-size: 12.5px;
    font-weight: 800;
}

.ezhzpt {
    margin-top: 12px;
    font-size: 16.5px;
    font-weight: 800;
    color: #0b3d36;
    line-height: 1.5;
}

.ezhzpd {
    margin-top: 8px;
    font-size: 13.8px;
    color: #54716b;
    flex: 1;
}

.ezhzpm {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px dashed #e2ebe8;
    font-size: 12.5px;
    color: #8aa39d;
}

/* ---------- 用户评价 ---------- */

#yhpj .ezhcw {
    grid-template-columns: 1fr;
}

.ezhyw {
    columns: 3;
    column-gap: 20px;
}

.ezhyp {
    break-inside: avoid;
    margin-bottom: 20px;
    background: #ffffff;
    border: 1px solid #e0eae7;
    border-radius: 16px;
    padding: 22px;
}

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

.ezhypa {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(120deg, #00796b, #26a69a);
    color: #ffffff;
    font-size: 16px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ezhypw {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.ezhypt {
    font-size: 14.5px;
    font-weight: 800;
    color: #0b3d36;
}

.ezhyps {
    display: inline-flex;
    gap: 2px;
    margin-top: 3px;
}

.ezhyps i {
    font-size: 13px;
    color: #ffb300;
}

.ezhypc {
    margin-top: 13px;
    font-size: 14px;
    color: #42605a;
}

.ezhypm {
    margin-top: 13px;
    padding-top: 11px;
    border-top: 1px dashed #e2ebe8;
    font-size: 12.3px;
    color: #8aa39d;
}

/* ---------- 页脚 ---------- */

.ezhftq {
    margin-top: 20px;
    background: linear-gradient(180deg, #0b3d36, #072a25);
    color: #a8c4be;
    padding: 54px 0 26px;
    position: relative;
}

.ezhftq::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #00897b, #ffb300);
}

.ezhftw {
    display: flex;
    gap: 56px;
    padding-bottom: 34px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.ezhftb {
    flex: 1.4;
    min-width: 0;
}

.ezhftb img {
    display: inline-block;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    vertical-align: middle;
}

.ezhftt {
    display: inline-block;
    margin-left: 10px;
    font-size: 19px;
    font-weight: 800;
    color: #ffffff;
    vertical-align: middle;
}

.ezhftd {
    margin-top: 14px;
    font-size: 13.8px;
    line-height: 1.8;
}

.ezhftn {
    flex: 1;
}

.ezhftm {
    font-size: 15.5px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 16px;
}

.ezhftn a {
    display: block;
    padding: 6px 0;
    font-size: 13.8px;
    transition: color 0.2s;
}

.ezhftn a:hover {
    color: #4db6ac;
}

.ezhftz {
    padding-top: 22px;
    text-align: center;
    font-size: 13px;
    color: #7fa39c;
}

/* ---------- 移动端 767px 单断点 ---------- */

@media (max-width: 767px) {
    .ezhnav,
    .ezhbtn {
        display: none;
    }

    .ezhmb {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .ezhhdn {
        height: 60px;
    }

    .ezhlgt {
        font-size: 18px;
    }

    .ezhhr {
        padding: 48px 0 56px;
    }

    .ezhhrn {
        flex-direction: column;
        gap: 36px;
    }

    .ezhhl {
        width: 100%;
    }

    .ezhht {
        font-size: 34px;
    }

    .ezhms {
        font-size: 14.4px;
    }

    .ezhhb {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

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

    .ezhhq {
        display: none;
    }

    .ezhhu {
        gap: 18px;
        flex-wrap: wrap;
    }

    .ezhhrv {
        display: none;
    }

    .ezhsc {
        padding: 56px 0;
    }

    .ezhct {
        margin-bottom: 34px;
    }

    .ezhst {
        font-size: 24px;
    }

    #cpzm .ezhcw {
        grid-template-columns: repeat(2, 1fr);
    }

    .ezhpim img {
        height: 210px;
    }

    .ezhpn {
        font-size: 13px;
        padding: 11px 12px;
    }

    #yshd .ezhcw,
    #xzzx .ezhcw,
    #cpzx .ezhcw {
        grid-template-columns: 1fr;
    }

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

    .ezhlcw {
        flex-direction: column;
        gap: 14px;
    }

    .ezhlca {
        display: none;
    }

    .ezhyw {
        columns: 1;
    }

    .ezhftw {
        flex-direction: column;
        gap: 30px;
    }
}